Tag Archives: screw conveyor

China Best Sales China Professional Food Grade Screw Conveyor with Great quality

Product Description

 Brief Introduction
Cement screw conveyor is bulk material handling equipment,; which usually consists of a tube containing either a spiral blade coiled around a shaft (sometimes called an auger);,; driven at 1 end and held at the other.; The main parts include tube,; shaft with spiral blades,; inlet and outlet chutes,; as well as driving device.;

 Working principle
Within a tube,; the CZPT screw conveyor uses a rotating helical screw blade,; to move granular and powdery materials.; Cement screw feeder is usually installed at a incline in many industries,; such as concrete mixing station,; bulk material transit storage,; etc.; 

Main Features
1.;Simple structure,; good sealing,; easy operation and low power invest cost.; 
2.;It has the features of small screw diameter,; high rotation speed and large capacity,; specially suitable for inclined transport.; The angle is up to 60 degree.; 
3.;Widely used in chemical,; metallurgy,; paper making,; and construction industries,; etc.; 
4.;Axle head and conveying spiral adopt spline connection,; with features of convenient mounting&disassembling,; large load capacity and stability.; 
5.;All sections of screw conveyor are connected with flange.; Also screw blades are integral connection.; 
6.;Inlet and outlet chutes have many kinds of connections,; such as flange,; sack,; universal joint,; etc.;

 Selection condition

Primary considerations for the selection of a screw conveyor are as follow:;
    1.;Type and condition of the materials to be handled,; including maximum particle size,; and,; if available,; the 
 
specific bulk density of the material to be conveyed.;
    2.;Quantity of transported material,; expressed in pounds or tons per hour.;
    3.;The distance for which the material is to be conveyed.;

 Technical Parameters:;
 

Model Screw Diameter Screw Rotation Speed Housing Diameter Max.; Capacity Max.; Length Inclination Angle Power
L ≤ 7m L > 7m
(mm); (r/min); (mm); (t/h); (m); (degree); (kW);
LSY 160 163 308 194 25 15 0°~ 60° 5.;5 7.;5
LSY 200 185 260 219 40 18 7.;5 11
LSY 250 237 200 273 60 25 11 15
LSY 300 285 170 325 90 25 18.;5 22
LSY 400 362 170 402 120 25 18.;5 22

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
splineshaft

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China Best Sales China Professional Food Grade Screw Conveyor with Great qualityChina Best Sales China Professional Food Grade Screw Conveyor with Great quality

China best China High Technical CZPT Type Cement Screw Conveyor with Good quality

Product Description

                       China High Technical CZPT Type Cement Screw Conveyor

Brief Introduction
Cement screw conveyor is bulk material handling equipment,; which usually consists of a tube containing either a spiral blade coiled around a shaft (sometimes called an auger);,; driven at 1 end and held at the other.; The main parts include tube,; shaft with spiral blades,; inlet and outlet chutes,; as well as driving device.;

Working principle
Within a tube,; the CZPT screw conveyor uses a rotating helical screw blade,; to move granular and powdery materials.; Cement screw feeder is usually installed at a incline in many industries,; such as concrete mixing station,; bulk material transit storage,; etc.;

Technical Parameters

Model Screw Diameter Screw Rotation Speed Housing Diameter Max.; Capacity Max.; Length Inclination Angle Power
L ≤ 7m L > 7m
(mm); (r/min); (mm); (t/h); (m); (degree); (kW);
LSY 160 163 308 194 25 15 0°~ 60° 5.;5 7.;5
LSY 200 185 260 219 40 18 7.;5 11
LSY 250 237 200 273 60 25 11 15
LSY 300 285 170 325 90 25 18.;5 22
LSY 400 362 170 402 120 25 18.;5 22

Main Features
1.;Simple structure,; good sealing,; easy operation and low power invest cost.; 
2.;It has the features of small screw diameter,; high rotation speed and large capacity,; specially suitable for inclined transport.; The angle is up to 60 degree.; 
3.;Widely used in chemical,; metallurgy,; paper making,; and construction industries,; etc.; 
4.;Axle head and conveying spiral adopt spline connection,; with features of convenient mounting&disassembling,; large load capacity and stability.; 
5.;All sections of screw conveyor are connected with flange.; Also screw blades are integral connection.;

 Selection condition

Primary considerations for the selection of a screw conveyor are as follow:;
    1.;Type and condition of the materials to be handled,; including maximum particle size,; and,; if available,; the 
 
specific bulk density of the material to be conveyed.;
    2.;Quantity of transported material,; expressed in pounds or tons per hour.;
    3.;The distance for which the material is to be conveyed.;
Below is the necessary information for the selection of a screw conveyor system,; presented in a series of five 
 
steps.; These steps are arranged in logical order,; and are divided into separate sections for simplicity.; The five 
 
Steps are:;
    1.;Establishing the characteristics of the material to be conveyed.;
    2.;Locating conveyor capacity (conveyor size and speed); on capacity tables.;
    3.;Selection of conveyor components.;
    4.;Calculation of required horsepower.;
    5.;Checking of components torque capacities (including selection of shaft types and sizes);

What Are the Advantages of a Splined Shaft?

If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft?
Stainless steel is the best material for splined shafts

When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are 2 main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available.
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each 1 is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.
splineshaft

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of 2 main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material.
Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure.
The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation.
A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear.
A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft.
The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.
splineshaft

They can be machined using a slotting or shaping machine

Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter.
When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved.
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are 2 common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability.
Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards.
A milling machine is another option for producing splined shafts. A spline shaft can be set up between 2 centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.

China best China High Technical CZPT Type Cement Screw Conveyor with Good qualityChina best China High Technical CZPT Type Cement Screw Conveyor with Good quality

China Professional Cement Screw Conveyor for Bulk Material Handling with Free Design Custom

Product Description

 Brief Introduction
Cement screw conveyor is bulk material handling equipment,; which usually consists of a tube containing either a spiral blade coiled around a shaft (sometimes called an auger);,; driven at 1 end and held at the other.; The main parts include tube,; shaft with spiral blades,; inlet and outlet chutes,; as well as driving device.;

 Working principle
Within a tube,; the CZPT screw conveyor uses a rotating helical screw blade,; to move granular and powdery materials.; Cement screw feeder is usually installed at a incline in many industries,; such as concrete mixing station,; bulk material transit storage,; etc.; 

Main Features
1.;Simple structure,; good sealing,; easy operation and low power invest cost.; 
2.;It has the features of small screw diameter,; high rotation speed and large capacity,; specially suitable for inclined transport.; The angle is up to 60 degree.; 
3.;Widely used in chemical,; metallurgy,; paper making,; and construction industries,; etc.; 
4.;Axle head and conveying spiral adopt spline connection,; with features of convenient mounting&disassembling,; large load capacity and stability.; 
5.;All sections of screw conveyor are connected with flange.; Also screw blades are integral connection.; 
6.;Inlet and outlet chutes have many kinds of connections,; such as flange,; sack,; universal joint,; etc.;

 Selection condition

Primary considerations for the selection of a screw conveyor are as follow:;
    1.;Type and condition of the materials to be handled,; including maximum particle size,; and,; if available,; the 
 
specific bulk density of the material to be conveyed.;
    2.;Quantity of transported material,; expressed in pounds or tons per hour.;
    3.;The distance for which the material is to be conveyed.;

 Technical Parameters:;
 

Model Screw Diameter Screw Rotation Speed Housing Diameter Max.; Capacity Max.; Length Inclination Angle Power
L ≤ 7m L > 7m
(mm); (r/min); (mm); (t/h); (m); (degree); (kW);
LSY 160 163 308 194 25 15 0°~ 60° 5.;5 7.;5
LSY 200 185 260 219 40 18 7.;5 11
LSY 250 237 200 273 60 25 11 15
LSY 300 285 170 325 90 25 18.;5 22
LSY 400 362 170 402 120 25 18.;5 22

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
splineshaft

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China Professional Cement Screw Conveyor for Bulk Material Handling with Free Design CustomChina Professional Cement Screw Conveyor for Bulk Material Handling with Free Design Custom

China Professional Stationary Screw Conveyor Flexible Auger Conveyor with Good quality

Product Description

Stationary Screw Conveyor Flexible Auger Conveyor

1.; Screw conveyor is widely used for transporting powdery,; granular,; and bulk material.; It mainly consists of tube (head/trail/hanging bearings,; conveying spiral,; housing,; cover plate and base plate);,; inlet and outlet chutes,; as well as driving device (electric motor,; gearbox,; coupling and base plate);.;

2.; We provide 3 kinds of screw conveyors.;
—GX series screw conveyor:; 150/200/250/300/400/500/700mm screw diameter,; with length from 3 to 70m,; inclination angle below 20 degree.;
—LSY series screw conveyor:; 90/115/135/163/185/237/285/362mm screw diameter,; with length up to 22m,; inclination angle below 60 degree.;
—LS series screw conveyor:; 100/160/200/250/315/400/500/630/800/1000/1250mm screw conveyor,; with length up to 70m,; inclination angle below 20 degree.;

Application Scope

1.; Chemical,; metallurgical,; paper making,; construction industries,; etc.;
2.; Cement,; concrete,; coal dust,; carbon black,; soda ash,; flour,; grain,; paper pulp,; etc.;
3.; Specially suitable for field flowing work,; such as concrete mixing station,; bulk material transit storage,; etc.;

Characteristics and Performance

1.; It has the features of simple structure,; good sealing,; large capacity,; easy operation and low power invest cost.;
2.; Working temperature is -20~50 degree,; with material temperature below 200 degree.;
3.; Axle head and conveying spiral adopt spline connection,; with features of convenient mounting&disassembling,; large load capacity and stability.;
4.; All sections of screw conveyor are connected with flange.; Also screw blades are integral connection.;
5.; Inlet and outlet chutes have many kinds of connections,; such as flange,; sack,; universal joint,; etc.;
6.; ISO9001:; 2008,; CE certificate,; SGS report

Model  Screw  Diameter Screw  Rotation  Speed Housing  Diameter Max.;   Capacity Max.;   Length Operation  Working  Angle  Power 
L≤ 7m L> 7m
(mm); (r/min); (mm); (t/h); (m); (° ); (kw);
LSY  100 90 300 108 7 8 0° ~60° 1.;1 2.;2
LSY  120 115 300 133 10 10 2.;2 3
LSY  140 135 300 159 15 12 3 4
LSY  160 163 308 194 25 15 5.;5 7.;5
LSY  200 185 260 219 40 18 7.;5 11
LSY  250 237 200 273 60 25 11 15
LSY  300 285 170 325 90 25 18.;5 22
LSY  400 362 170 402 120 25 18.;5 22

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
splineshaft

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China Professional Stationary Screw Conveyor Flexible Auger Conveyor with Good qualityChina Professional Stationary Screw Conveyor Flexible Auger Conveyor with Good quality

China Hot selling Cement Screw Conveyor/Pipe Screw Conveyor with Hot selling

Product Description

 Brief Introduction
Cement screw conveyor is bulk material handling equipment,; which usually consists of a tube containing either a spiral blade coiled around a shaft (sometimes called an auger);,; driven at 1 end and held at the other.; The main parts include tube,; shaft with spiral blades,; inlet and outlet chutes,; as well as driving device.;

 Working principle
Within a tube,; the CZPT screw conveyor uses a rotating helical screw blade,; to move granular and powdery materials.; Cement screw feeder is usually installed at a incline in many industries,; such as concrete mixing station,; bulk material transit storage,; etc.; 

Main Features
1.;Simple structure,; good sealing,; easy operation and low power invest cost.; 
2.;It has the features of small screw diameter,; high rotation speed and large capacity,; specially suitable for inclined transport.; The angle is up to 60 degree.; 
3.;Widely used in chemical,; metallurgy,; paper making,; and construction industries,; etc.; 
4.;Axle head and conveying spiral adopt spline connection,; with features of convenient mounting&disassembling,; large load capacity and stability.; 
5.;All sections of screw conveyor are connected with flange.; Also screw blades are integral connection.; 
6.;Inlet and outlet chutes have many kinds of connections,; such as flange,; sack,; universal joint,; etc.;

 Selection condition

Primary considerations for the selection of a screw conveyor are as follow:;

    1.;Type and condition of the materials to be handled,; including maximum particle size,; and,; if available,; the 

 

specific bulk density of the material to be conveyed.;

    2.;Quantity of transported material,; expressed in pounds or tons per hour.;

    3.;The distance for which the material is to be conveyed.;

 Technical Parameters:;
 

Model Screw Diameter Screw Rotation Speed Housing Diameter Max.; Capacity Max.; Length Inclination Angle Power
L ≤ 7m L > 7m
(mm); (r/min); (mm); (t/h); (m); (degree); (kW);
LSY 160 163 308 194 25 15 0°~ 60° 5.;5 7.;5
LSY 200 185 260 219 40 18 7.;5 11
LSY 250 237 200 273 60 25 11 15
LSY 300 285 170 325 90 25 18.;5 22
LSY 400 362 170 402 120 25 18.;5 22

Types of Splines

There are 4 types of splines: Involute, Parallel key, helical, and ball. Learn about their characteristics. And, if you’re not sure what they are, you can always request a quotation. These splines are commonly used for building special machinery, repair jobs, and other applications. The CZPT Manufacturing Company manufactures these shafts. It is a specialty manufacturer and we welcome your business.
splineshaft

Involute splines

The involute spline provides a more rigid and durable structure, and is available in a variety of diameters and spline counts. Generally, steel, carbon steel, or titanium are used as raw materials. Other materials, such as carbon fiber, may be suitable. However, titanium can be difficult to produce, so some manufacturers make splines using other constituents.
When splines are used in shafts, they prevent parts from separating during operation. These features make them an ideal choice for securing mechanical assemblies. Splines with inward-curving grooves do not have sharp corners and are therefore less likely to break or separate while they are in operation. These properties help them to withstand high-speed operations, such as braking, accelerating, and reversing.
A male spline is fitted with an externally-oriented face, and a female spline is inserted through the center. The teeth of the male spline typically have chamfered tips to provide clearance with the transition area. The radii and width of the teeth of a male spline are typically larger than those of a female spline. These specifications are specified in ANSI or DIN design manuals.
The effective tooth thickness of a spline depends on the involute profile error and the lead error. Also, the spacing of the spline teeth and keyways can affect the effective tooth thickness. Involute splines in a splined shaft are designed so that at least 25 percent of the spline teeth engage during coupling, which results in a uniform distribution of load and wear on the spline.

Parallel key splines

A parallel splined shaft has a helix of equal-sized grooves around its circumference. These grooves are generally parallel or involute. Splines minimize stress concentrations in stationary joints and allow linear and rotary motion. Splines may be cut or cold-rolled. Cold-rolled splines have more strength than cut spines and are often used in applications that require high strength, accuracy, and a smooth surface.
A parallel key splined shaft features grooves and keys that are parallel to the axis of the shaft. This design is best suited for applications where load bearing is a primary concern and a smooth motion is needed. A parallel key splined shaft can be made from alloy steels, which are iron-based alloys that may also contain chromium, nickel, molybdenum, copper, or other alloying materials.
A splined shaft can be used to transmit torque and provide anti-rotation when operating as a linear guide. These shafts have square profiles that match up with grooves in a mating piece and transmit torque and rotation. They can also be easily changed in length, and are commonly used in aerospace. Its reliability and fatigue life make it an excellent choice for many applications.
The main difference between a parallel key splined shaft and a keyed shaft is that the former offers more flexibility. They lack slots, which reduce torque-transmitting capacity. Splines offer equal load distribution along the gear teeth, which translates into a longer fatigue life for the shaft. In agricultural applications, shaft life is essential. Agricultural equipment, for example, requires the ability to function at high speeds for extended periods of time.
splineshaft

Involute helical splines

Involute splines are a common design for splined shafts. They are the most commonly used type of splined shaft and feature equal spacing among their teeth. The teeth of this design are also shorter than those of the parallel spline shaft, reducing stress concentration. These splines can be used to transmit power to floating or permanently fixed gears, and reduce stress concentrations in the stationary joint. Involute splines are the most common type of splined shaft, and are widely used for a variety of applications in automotive, machine tools, and more.
Involute helical spline shafts are ideal for applications involving axial motion and rotation. They allow for face coupling engagement and disengagement. This design also allows for a larger diameter than a parallel spline shaft. The result is a highly efficient gearbox. Besides being durable, splines can also be used for other applications involving torque and energy transfer.
A new statistical model can be used to determine the number of teeth that engage for a given load. These splines are characterized by a tight fit at the major diameters, thereby transferring concentricity from the shaft to the female spline. A male spline has chamfered tips for clearance with the transition area. ANSI and DIN design manuals specify the different classes of fit.
The design of involute helical splines is similar to that of gears, and their ridges or teeth are matched with the corresponding grooves in a mating piece. It enables torque and rotation to be transferred to a mate piece while maintaining alignment of the 2 components. Different types of splines are used in different applications. Different splines can have different levels of tooth height.

Involute ball splines

When splines are used, they allow the shaft and hub to engage evenly over the shaft’s entire circumference. Because the teeth are evenly spaced, the load that they can transfer is uniform and their position is always the same regardless of shaft length. Whether the shaft is used to transmit torque or to transmit power, splines are a great choice. They provide maximum strength and allow for linear or rotary motion.
There are 3 basic types of splines: helical, crown, and ball. Crown splines feature equally spaced grooves. Crown splines feature involute sides and parallel sides. Helical splines use involute teeth and are often used in small diameter shafts. Ball splines contain a ball bearing inside the splined shaft to facilitate rotary motion and minimize stress concentration in stationary joints.
The 2 types of splines are classified under the ANSI classes of fit. Fillet root splines have teeth that mesh along the longitudinal axis of rotation. Flat root splines have similar teeth, but are intended to optimize strength for short-term use. Both types of splines are important for ensuring the shaft aligns properly and is not misaligned.
The friction coefficient of the hub is a complex process. When the hub is off-center, the center moves in predictable but irregular motion. Moreover, when the shaft is centered, the center may oscillate between being centered and being off-center. To compensate for this, the torque must be adequate to keep the shaft in its axis during all rotation angles. While straight-sided splines provide similar centering, they have lower misalignment load factors.
splineshaft

Keyed shafts

Essentially, splined shafts have teeth or ridges that fit together to transfer torque. Because splines are not as tall as involute gears, they offer uniform torque transfer. Additionally, they provide the opportunity for torque and rotational changes and improve wear resistance. In addition to their durability, splined shafts are popular in the aerospace industry and provide increased reliability and fatigue life.
Keyed shafts are available in different materials, lengths, and diameters. When used in high-power drive applications, they offer higher torque and rotational speeds. The higher torque they produce helps them deliver power to the gearbox. However, they are not as durable as splined shafts, which is why the latter is usually preferred in these applications. And while they’re more expensive, they’re equally effective when it comes to torque delivery.
Parallel keyed shafts have separate profiles and ridges and are used in applications requiring accuracy and precision. Keyed shafts with rolled splines are 35% stronger than cut splines and are used where precision is essential. These splines also have a smooth finish, which can make them a good choice for precision applications. They also work well with gears and other mechanical systems that require accurate torque transfer.
Carbon steel is another material used for splined shafts. Carbon steel is known for its malleability, and its shallow carbon content helps create reliable motion. However, if you’re looking for something more durable, consider ferrous steel. This type contains metals such as nickel, chromium, and molybdenum. And it’s important to remember that carbon steel is not the only material to consider.

China Hot selling Cement Screw Conveyor/Pipe Screw Conveyor with Hot sellingChina Hot selling Cement Screw Conveyor/Pipe Screw Conveyor with Hot selling

China Good quality Dom Mini Screw Conveyor for Silo Cement with Hot selling

Product Description

Dom Mini Screw Conveyor for Silo Cement

1.Product Details

 

1.Advantages Of Screw Conveyor:

 

1.Using high quality steel pipe, the overall rigidity is good.
2.Double pitch blade to reduce the degree of compression in material transportation .
3.It adopts high-quality reducer and heavy-duty design. It has the characteristics of large turning distance and low noise.
4.Universal ball connection is optional to facilitate installation, adjustment and steeling.
5.Equipped with medium suspension bearings and tail bearings of good quality, and easy to install.
6.Adequate spare parts, complete specifications.
7.Commonly used diameter 165,219,273,323,407 large stock,size and angle can be customized according to customer requirements.
8.Standard components, easy to transport.
9.One-time forming of spiral blade,double pitch design ,never plugging.

 

1.Simple structure, good sealing, easy operation and low power invest cost. 
2.It has the features of small screw diameter, high rotation speed and large capacity, specially suitable for inclined transport. The angle is up to 60 degree. 
3.Widely used in chemical, metallurgy, paper making, and construction industries, etc. 
4.Axle head and conveying spiral adopt spline connection, with features of convenient mounting&disassembling, large load capacity and stability. 
5.All sections of screw conveyor are connected with flange. Also screw blades are integral connection. 
6.Inlet and outlet chutes have many kinds of connections, such as flange, sack, universal joint, etc.

Related Products

2.Our Company’s Product:

Reducer: an independent part composed of gear drive, worm drive and gear – worm drive enclosed in a rigid shell. It plays the role of matching speed and transferring torque between prime mover and working machine or actuator. It is a kind of relatively precise machinery. The purpose of using it is to reduce the speed and increase the torque. 

Shaft-end Seal: With multi-shaft-end seal in shaft end and avoids cement&mud approaching to shaft end to extend service life of the concrete mixer.
Discharging Device: Hydralic discharging system,with strong drive force and reliable discharging.Discharging door can be opened at any angle,with manual discharging function.The discharging door adopts detachable structure which is convenient for maint.

Shaft end seal:Separate seal and bearing, more stable operation, better maintenance, easy replacement, and maintenance;
Discharge mechanism:unloading door is made by tooling and then processed by lathe to eliminate the phenomenon of Carmen; Hydraulic discharge, stable operation.

 

 

2.Company Profile

MAHangZhou CZPT METALLURGICAL MACHINE CO.,LTD. is located in the famous steel city HangZhou City, rich iron and steel resources for the development of my company provides a unique advantage, the company is the production and research of various wear-resistant, heat-resistant, shock-resistant alloy castings professional manufacturers; business is characterized by fine, special, unique. Products to the market economy needs throughout the country, each year more than 5,000 tons of various casting products in metallurgical machinery, construction, cement, transportation and other industries widely used. This product its unique properties of various materials to resist wear and tear on the product, as many national key projects of qualified suppliers.

3.Packaging & Delivery

Quick delivery and high efficiency.
Use reinforced packaging for important electronic accessories and wearing parts.
We will carefully calculate the type of space and cabinet needed to minimize the cost to buyers and help them save money.
Port: HangZhou, ZheJiang , ZheJiang , HangZhou, HangZhou

4.Service

Technical files service provided.
Spare parts replacement and repair service provided.
Our Products can be customized according to clients’ different requirement.
Technical support online service provided.

5.After-sale Service

May enjoy the life-long service and technical consultation after you buy our products.
Certain quantity stochastic tool will be provided while delivering goods.
Within 48 hours service will be available according to different regions after received the telephone.
The time of warranty is for a whole year
Promptly provides the fittings according to users’ demands, handles for the user consigns for shipment.
Provides the technology advisory service as necessary.
Please contact me when you have any problems with the plant.

6.Contact

 

 

 

What Are the Advantages of a Splined Shaft?

If you are looking for the right splined shaft for your machine, you should know a few important things. First, what type of material should be used? Stainless steel is usually the most appropriate choice, because of its ability to offer low noise and fatigue failure. Secondly, it can be machined using a slotting or shaping machine. Lastly, it will ensure smooth motion. So, what are the advantages of a splined shaft?
Stainless steel is the best material for splined shafts

When choosing a splined shaft, you should consider its hardness, quality, and finish. Stainless steel has superior corrosion and wear resistance. Carbon steel is another good material for splined shafts. Carbon steel has a shallow carbon content (about 1.7%), which makes it more malleable and helps ensure smooth motion. But if you’re not willing to spend the money on stainless steel, consider other options.
There are 2 main types of splines: parallel splines and crowned splines. Involute splines have parallel grooves and allow linear and rotary motion. Helical splines have involute teeth and are oriented at an angle. This type allows for many teeth on the shaft and minimizes the stress concentration in the stationary joint.
Large evenly spaced splines are widely used in hydraulic systems, drivetrains, and machine tools. They are typically made from carbon steel (CR10) and stainless steel (AISI 304). This material is durable and meets the requirements of ISO 14-B, formerly DIN 5463-B. Splined shafts are typically made of stainless steel or C45 steel, though there are many other materials available.
Stainless steel is the best material for a splined shaft. This metal is also incredibly affordable. In most cases, stainless steel is the best choice for these shafts because it offers the best corrosion resistance. There are many different types of splined shafts, and each 1 is suited for a particular application. There are also many different types of stainless steel, so choose stainless steel if you want the best quality.
For those looking for high-quality splined shafts, CZPT Spline Shafts offer many benefits. They can reduce costs, improve positional accuracy, and reduce friction. With the CZPT TFE coating, splined shafts can reduce energy and heat buildup, and extend the life of your products. And, they’re easy to install – all you need to do is install them.
splineshaft

They provide low noise, low wear and fatigue failure

The splines in a splined shaft are composed of 2 main parts: the spline root fillet and the spline relief. The spline root fillet is the most critical part, because fatigue failure starts there and propagates to the relief. The spline relief is more susceptible to fatigue failure because of its involute tooth shape, which offers a lower stress to the shaft and has a smaller area of contact.
The fatigue life of splined shafts is determined by measuring the S-N curve. This is also known as the Wohler curve, and it is the relationship between stress amplitude and number of cycles. It depends on the material, geometry and way of loading. It can be obtained from a physical test on a uniform material specimen under a constant amplitude load. Approximations for low-alloy steel parts can be made using a lower-alloy steel material.
Splined shafts provide low noise, minimal wear and fatigue failure. However, some mechanical transmission elements need to be removed from the shaft during assembly and manufacturing processes. The shafts must still be capable of relative axial movement for functional purposes. As such, good spline joints are essential to high-quality torque transmission, minimal backlash, and low noise. The major failure modes of spline shafts include fretting corrosion, tooth breakage, and fatigue failure.
The outer disc carrier spline is susceptible to tensile stress and fatigue failure. High customer demands for low noise and low wear and fatigue failure makes splined shafts an excellent choice. A fractured spline gear coupling was received for analysis. It was installed near the top of a filter shaft and inserted into the gearbox motor. The service history was unknown. The fractured spline gear coupling had longitudinally cracked and arrested at the termination of the spline gear teeth. The spline gear teeth also exhibited wear and deformation.
A new spline coupling method detects fault propagation in hollow cylindrical splined shafts. A spline coupling is fabricated using an AE method with the spline section unrolled into a metal plate of the same thickness as the cylinder wall. In addition, the spline coupling is misaligned, which puts significant concentration on the spline teeth. This further accelerates the rate of fretting fatigue and wear.
A spline joint should be lubricated after 25 hours of operation. Frequent lubrication can increase maintenance costs and cause downtime. Moreover, the lubricant may retain abrasive particles at the interfaces. In some cases, lubricants can even cause misalignment, leading to premature failure. So, the lubrication of a spline coupling is vital in ensuring proper functioning of the shaft.
The design of a spline coupling can be optimized to enhance its wear resistance and reliability. Surface treatments, loads, and rotation affect the friction properties of a spline coupling. In addition, a finite element method was developed to predict wear of a floating spline coupling. This method is feasible and provides a reliable basis for predicting the wear and fatigue life of a spline coupling.
splineshaft

They can be machined using a slotting or shaping machine

Machines can be used to shape splined shafts in a variety of industries. They are useful in many applications, including gearboxes, braking systems, and axles. A slotted shaft can be manipulated in several ways, including hobbling, broaching, and slotting. In addition to shaping, splines are also useful in reducing bar diameter.
When using a slotting or shaping machine, the workpiece is held against a pedestal that has a uniform thickness. The machine is equipped with a stand column and limiting column (Figure 1), each positioned perpendicular to the upper surface of the pedestal. The limiting column axis is located on the same line as the stand column. During the slotting or shaping process, the tool is fed in and out until the desired space is achieved.
One process involves cutting splines into a shaft. Straddle milling, spline shaping, and spline cutting are 2 common processes used to create splined shafts. Straddle milling involves a fixed indexing fixture that holds the shaft steady, while rotating milling cutters cut the groove in the length of the shaft. Several passes are required to ensure uniformity throughout the spline.
Splines are a type of gear. The ridges or teeth on the drive shaft mesh with grooves in the mating piece. A splined shaft allows the transmission of torque to a mate piece while maximizing the power transfer. Splines are used in heavy vehicles, construction, agriculture, and massive earthmoving machinery. Splines are used in virtually every type of rotary motion, from axles to transmission systems. They also offer better fatigue life and reliability.
Slotting or shaping machines can also be used to shape splined shafts. Slotting machines are often used to machine splined shafts, because it is easier to make them with these machines. Using a slotting or shaping machine can result in splined shafts of different sizes. It is important to follow a set of spline standards to ensure your parts are manufactured to the highest standards.
A milling machine is another option for producing splined shafts. A spline shaft can be set up between 2 centers in an indexing fixture. Two side milling cutters are mounted on an arbor and a spacer and shims are inserted between them. The arbor and cutters are then mounted to a milling machine spindle. To make sure the cutters center themselves over the splined shaft, an adjustment must be made to the spindle of the machine.
The machining process is very different for internal and external splines. External splines can be broached, shaped, milled, or hobbed, while internal splines cannot. These machines use hard alloy, but they are not as good for internal splines. A machine with a slotting mechanism is necessary for these operations.

China Good quality Dom Mini Screw Conveyor for Silo Cement with Hot sellingChina Good quality Dom Mini Screw Conveyor for Silo Cement with Hot selling

China best Screw Conveyor for Coal, Sand, Silo with Hot selling

Product Description

1.Product Details

 

1.Advantages Of Screw Conveyor:

 

1.Using high quality steel pipe, the overall rigidity is good.
2.Double pitch blade to reduce the degree of compression in material transportation .
3.It adopts high-quality reducer and heavy-duty design. It has the characteristics of large turning distance and low noise.
4.Universal ball connection is optional to facilitate installation, adjustment and steeling.
5.Equipped with medium suspension bearings and tail bearings of good quality, and easy to install.
6.Adequate spare parts, complete specifications.
7.Commonly used diameter 165,219,273,323,407 large stock,size and angle can be customized according to customer requirements.
8.Standard components, easy to transport.
9.One-time forming of spiral blade,double pitch design ,never plugging.

 

1.Simple structure, good sealing, easy operation and low power invest cost. 
2.It has the features of small screw diameter, high rotation speed and large capacity, specially suitable for inclined transport. The angle is up to 60 degree. 
3.Widely used in chemical, metallurgy, paper making, and construction industries, etc. 
4.Axle head and conveying spiral adopt spline connection, with features of convenient mounting&disassembling, large load capacity and stability. 
5.All sections of screw conveyor are connected with flange. Also screw blades are integral connection. 
6.Inlet and outlet chutes have many kinds of connections, such as flange, sack, universal joint, etc.

2.Our Company’s Product:

Reducer: an independent part composed of gear drive, worm drive and gear – worm drive enclosed in a rigid shell. It plays the role of matching speed and transferring torque between prime mover and working machine or actuator. It is a kind of relatively precise machinery. The purpose of using it is to reduce the speed and increase the torque. 

Shaft-end Seal: With multi-shaft-end seal in shaft end and avoids cement&mud approaching to shaft end to extend service life of the concrete mixer.
Discharging Device: Hydralic discharging system,with strong drive force and reliable discharging.Discharging door can be opened at any angle,with manual discharging function.The discharging door adopts detachable structure which is convenient for maint.
 

Shaft end seal:Separate seal and bearing, more stable operation, better maintenance, easy replacement, and maintenance;
Discharge mechanism:unloading door is made by tooling and then processed by lathe to eliminate the phenomenon of Carmen; Hydraulic discharge, stable operation.

 

 

2.Company Profile

MAHangZhou CZPT METALLURGICAL MACHINE CO.,LTD. is located in the famous steel city HangZhou City, rich iron and steel resources for the development of my company provides a unique advantage, the company is the production and research of various wear-resistant, heat-resistant, shock-resistant alloy castings professional manufacturers; business is characterized by fine, special, unique. Products to the market economy needs throughout the country, each year more than 5,000 tons of various casting products in metallurgical machinery, construction, cement, transportation and other industries widely used. This product its unique properties of various materials to resist wear and tear on the product, as many national key projects of qualified suppliers.

3.Packaging & Delivery

Quick delivery and high efficiency.
Use reinforced packaging for important electronic accessories and wearing parts.
We will carefully calculate the type of space and cabinet needed to minimize the cost to buyers and help them save money.
Port: HangZhou, ZheJiang , ZheJiang , HangZhou, HangZhou

4.Service

Technical files service provided.
Spare parts replacement and repair service provided.
Our Products can be customized according to clients’ different requirement.
Technical support online service provided.

5.After-sale Service

May enjoy the life-long service and technical consultation after you buy our products.
Certain quantity stochastic tool will be provided while delivering goods.
Within 48 hours service will be available according to different regions after received the telephone.
The time of warranty is for a whole year
Promptly provides the fittings according to users’ demands, handles for the user consigns for shipment.
Provides the technology advisory service as necessary.
Please contact me when you have any problems with the plant.

6.Contact

 

 

 

The Different Types of Splines in a Splined Shaft

A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
splineshaft

Involute splines

Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

Parallel splines

Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
splineshaft

Serrated splines

A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

Ball splines

The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
splineshaft

Sector no-go gage

A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.

China best Screw Conveyor for Coal, Sand, Silo with Hot sellingChina best Screw Conveyor for Coal, Sand, Silo with Hot selling

China OEM 273mm of Screw Conveyor & All The Parts wholesaler

Product Description

1.Product Details

 

1.Advantages Of Screw Conveyor:

 

1.Using high quality steel pipe, the overall rigidity is good.
2.Double pitch blade to reduce the degree of compression in material transportation .
3.It adopts high-quality reducer and heavy-duty design. It has the characteristics of large turning distance and low noise.
4.Universal ball connection is optional to facilitate installation, adjustment and steeling.
5.Equipped with medium suspension bearings and tail bearings of good quality, and easy to install.
6.Adequate spare parts, complete specifications.
7.Commonly used diameter 165,219,273,323,407 large stock,size and angle can be customized according to customer requirements.
8.Standard components, easy to transport.
9.One-time forming of spiral blade,double pitch design ,never plugging.

 

1.Simple structure, good sealing, easy operation and low power invest cost. 
2.It has the features of small screw diameter, high rotation speed and large capacity, specially suitable for inclined transport. The angle is up to 60 degree. 
3.Widely used in chemical, metallurgy, paper making, and construction industries, etc. 
4.Axle head and conveying spiral adopt spline connection, with features of convenient mounting&disassembling, large load capacity and stability. 
5.All sections of screw conveyor are connected with flange. Also screw blades are integral connection. 
6.Inlet and outlet chutes have many kinds of connections, such as flange, sack, universal joint, etc.

2.Our Company’s Product:

Reducer: an independent part composed of gear drive, worm drive and gear – worm drive enclosed in a rigid shell. It plays the role of matching speed and transferring torque between prime mover and working machine or actuator. It is a kind of relatively precise machinery. The purpose of using it is to reduce the speed and increase the torque. 

Shaft-end Seal: With multi-shaft-end seal in shaft end and avoids cement&mud approaching to shaft end to extend service life of the concrete mixer.
Discharging Device: Hydralic discharging system,with strong drive force and reliable discharging.Discharging door can be opened at any angle,with manual discharging function.The discharging door adopts detachable structure which is convenient for maint.
 

Shaft end seal:Separate seal and bearing, more stable operation, better maintenance, easy replacement, and maintenance;
Discharge mechanism:unloading door is made by tooling and then processed by lathe to eliminate the phenomenon of Carmen; Hydraulic discharge, stable operation.

 

 

2.Company Profile

MAHangZhou CZPT METALLURGICAL MACHINE CO.,LTD. is located in the famous steel city HangZhou City, rich iron and steel resources for the development of my company provides a unique advantage, the company is the production and research of various wear-resistant, heat-resistant, shock-resistant alloy castings professional manufacturers; business is characterized by fine, special, unique. Products to the market economy needs throughout the country, each year more than 5,000 tons of various casting products in metallurgical machinery, construction, cement, transportation and other industries widely used. This product its unique properties of various materials to resist wear and tear on the product, as many national key projects of qualified suppliers.

3.Packaging & Delivery

Quick delivery and high efficiency.
Use reinforced packaging for important electronic accessories and wearing parts.
We will carefully calculate the type of space and cabinet needed to minimize the cost to buyers and help them save money.
Port: HangZhou, ZheJiang , ZheJiang , HangZhou, HangZhou

4.Service

Technical files service provided.
Spare parts replacement and repair service provided.
Our Products can be customized according to clients’ different requirement.
Technical support online service provided.

5.After-sale Service

May enjoy the life-long service and technical consultation after you buy our products.
Certain quantity stochastic tool will be provided while delivering goods.
Within 48 hours service will be available according to different regions after received the telephone.
The time of warranty is for a whole year
Promptly provides the fittings according to users’ demands, handles for the user consigns for shipment.
Provides the technology advisory service as necessary.
Please contact me when you have any problems with the plant.

6.Contact

 

 

 

Analytical Approaches to Estimating Contact Pressures in Spline Couplings

A spline coupling is a type of mechanical connection between 2 rotating shafts. It consists of 2 parts – a coupler and a coupling. Both parts have teeth which engage and transfer loads. However, spline couplings are typically over-dimensioned, which makes them susceptible to fatigue and static behavior. Wear phenomena can also cause the coupling to fail. For this reason, proper spline coupling design is essential for achieving optimum performance.
splineshaft

Modeling a spline coupling

Spline couplings are becoming increasingly popular in the aerospace industry, but they operate in a slightly misaligned state, causing both vibrations and damage to the contact surfaces. To solve this problem, this article offers analytical approaches for estimating the contact pressures in a spline coupling. Specifically, this article compares analytical approaches with pure numerical approaches to demonstrate the benefits of an analytical approach.
To model a spline coupling, first you create the knowledge base for the spline coupling. The knowledge base includes a large number of possible specification values, which are related to each other. If you modify 1 specification, it may lead to a warning for violating another. To make the design valid, you must create a spline coupling model that meets the specified specification values.
After you have modeled the geometry, you must enter the contact pressures of the 2 spline couplings. Then, you need to determine the position of the pitch circle of the spline. In Figure 2, the centre of the male coupling is superposed to that of the female spline. Then, you need to make sure that the alignment meshing distance of the 2 splines is the same.
Once you have the data you need to create a spline coupling model, you can begin by entering the specifications for the interface design. Once you have this data, you need to choose whether to optimize the internal spline or the external spline. You’ll also need to specify the tooth friction coefficient, which is used to determine the stresses in the spline coupling model 20. You should also enter the pilot clearance, which is the clearance between the tip 186 of a tooth 32 on 1 spline and the feature on the mating spline.
After you have entered the desired specifications for the external spline, you can enter the parameters for the internal spline. For example, you can enter the outer diameter limit 154 of the major snap 54 and the minor snap 56 of the internal spline. The values of these parameters are displayed in color-coded boxes on the Spline Inputs and Configuration GUI screen 80. Once the parameters are entered, you’ll be presented with a geometric representation of the spline coupling model 20.

Creating a spline coupling model 20

The spline coupling model 20 is created by a product model software program 10. The software validates the spline coupling model against a knowledge base of configuration-dependent specification constraints and relationships. This report is then input to the ANSYS stress analyzer program. It lists the spline coupling model 20’s geometric configurations and specification values for each feature. The spline coupling model 20 is automatically recreated every time the configuration or performance specifications of the spline coupling model 20 are modified.
The spline coupling model 20 can be configured using the product model software program 10. A user specifies the axial length of the spline stack, which may be zero, or a fixed length. The user also enters a radial mating face 148, if any, and selects a pilot clearance specification value of 14.5 degrees or 30 degrees.
A user can then use the mouse 110 to modify the spline coupling model 20. The spline coupling knowledge base contains a large number of possible specification values and the spline coupling design rule. If the user tries to change a spline coupling model, the model will show a warning about a violation of another specification. In some cases, the modification may invalidate the design.
In the spline coupling model 20, the user enters additional performance requirement specifications. The user chooses the locations where maximum torque is transferred for the internal and external splines 38 and 40. The maximum torque transfer location is determined by the attachment configuration of the hardware to the shafts. Once this is selected, the user can click “Next” to save the model. A preview of the spline coupling model 20 is displayed.
The model 20 is a representation of a spline coupling. The spline specifications are entered in the order and arrangement as specified on the spline coupling model 20 GUI screen. Once the spline coupling specifications are entered, the product model software program 10 will incorporate them into the spline coupling model 20. This is the last step in spline coupling model creation.
splineshaft

Analysing a spline coupling model 20

An analysis of a spline coupling model consists of inputting its configuration and performance specifications. These specifications may be generated from another computer program. The product model software program 10 then uses its internal knowledge base of configuration dependent specification relationships and constraints to create a valid three-dimensional parametric model 20. This model contains information describing the number and types of spline teeth 32, snaps 34, and shoulder 36.
When you are analysing a spline coupling, the software program 10 will include default values for various specifications. The spline coupling model 20 comprises an internal spline 38 and an external spline 40. Each of the splines includes its own set of parameters, such as its depth, width, length, and radii. The external spline 40 will also contain its own set of parameters, such as its orientation.
Upon selecting these parameters, the software program will perform various analyses on the spline coupling model 20. The software program 10 calculates the nominal and maximal tooth bearing stresses and fatigue life of a spline coupling. It will also determine the difference in torsional windup between an internal and an external spline. The output file from the analysis will be a report file containing model configuration and specification data. The output file may also be used by other computer programs for further analysis.
Once these parameters are set, the user enters the design criteria for the spline coupling model 20. In this step, the user specifies the locations of maximum torque transfer for both the external and internal spline 38. The maximum torque transfer location depends on the configuration of the hardware attached to the shafts. The user may enter up to 4 different performance requirement specifications for each spline.
The results of the analysis show that there are 2 phases of spline coupling. The first phase shows a large increase in stress and vibration. The second phase shows a decline in both stress and vibration levels. The third stage shows a constant meshing force between 300N and 320N. This behavior continues for a longer period of time, until the final stage engages with the surface.
splineshaft

Misalignment of a spline coupling

A study aimed to investigate the position of the resultant contact force in a spline coupling engaging teeth under a steady torque and rotating misalignment. The study used numerical methods based on Finite Element Method (FEM) models. It produced numerical results for nominal conditions and parallel offset misalignment. The study considered 2 levels of misalignment – 0.02 mm and 0.08 mm – with different loading levels.
The results showed that the misalignment between the splines and rotors causes a change in the meshing force of the spline-rotor coupling system. Its dynamics is governed by the meshing force of splines. The meshing force of a misaligned spline coupling is related to the rotor-spline coupling system parameters, the transmitting torque, and the dynamic vibration displacement.
Despite the lack of precise measurements, the misalignment of splines is a common problem. This problem is compounded by the fact that splines usually feature backlash. This backlash is the result of the misaligned spline. The authors analyzed several splines, varying pitch diameters, and length/diameter ratios.
A spline coupling is a two-dimensional mechanical system, which has positive backlash. The spline coupling is comprised of a hub and shaft, and has tip-to-root clearances that are larger than the backlash. A form-clearance is sufficient to prevent tip-to-root fillet contact. The torque on the splines is transmitted via friction.
When a spline coupling is misaligned, a torque-biased thrust force is generated. In such a situation, the force can exceed the torque, causing the component to lose its alignment. The two-way transmission of torque and thrust is modeled analytically in the present study. The analytical approach provides solutions that can be integrated into the design process. So, the next time you are faced with a misaligned spline coupling problem, make sure to use an analytical approach!
In this study, the spline coupling is analyzed under nominal conditions without a parallel offset misalignment. The stiffness values obtained are the percentage difference between the nominal pitch diameter and load application diameter. Moreover, the maximum percentage difference in the measured pitch diameter is 1.60% under a torque of 5000 N*m. The other parameter, the pitch angle, is taken into consideration in the calculation.

China OEM 273mm of Screw Conveyor & All The Parts wholesaler China OEM 273mm of Screw Conveyor & All The Parts wholesaler

China Standard Screw Conveyor for Concrete Mixing Plant & Conveyor System near me supplier

Product Description

1.Product Details

 

1.Advantages Of Screw Conveyor:

 

1.Using high quality steel pipe, the overall rigidity is good.
2.Double pitch blade to reduce the degree of compression in material transportation .
3.It adopts high-quality reducer and heavy-duty design. It has the characteristics of large turning distance and low noise.
4.Universal ball connection is optional to facilitate installation, adjustment and steeling.
5.Equipped with medium suspension bearings and tail bearings of good quality, and easy to install.
6.Adequate spare parts, complete specifications.
7.Commonly used diameter 165,219,273,323,407 large stock,size and angle can be customized according to customer requirements.
8.Standard components, easy to transport.
9.One-time forming of spiral blade,double pitch design ,never plugging.

 

1.Simple structure, good sealing, easy operation and low power invest cost. 
2.It has the features of small screw diameter, high rotation speed and large capacity, specially suitable for inclined transport. The angle is up to 60 degree. 
3.Widely used in chemical, metallurgy, paper making, and construction industries, etc. 
4.Axle head and conveying spiral adopt spline connection, with features of convenient mounting&disassembling, large load capacity and stability. 
5.All sections of screw conveyor are connected with flange. Also screw blades are integral connection. 
6.Inlet and outlet chutes have many kinds of connections, such as flange, sack, universal joint, etc.

2.Our Company’s Product:

Reducer: an independent part composed of gear drive, worm drive and gear – worm drive enclosed in a rigid shell. It plays the role of matching speed and transferring torque between prime mover and working machine or actuator. It is a kind of relatively precise machinery. The purpose of using it is to reduce the speed and increase the torque. 

Shaft-end Seal: With multi-shaft-end seal in shaft end and avoids cement&mud approaching to shaft end to extend service life of the concrete mixer.
Discharging Device: Hydralic discharging system,with strong drive force and reliable discharging.Discharging door can be opened at any angle,with manual discharging function.The discharging door adopts detachable structure which is convenient for maint.
 

Shaft end seal:Separate seal and bearing, more stable operation, better maintenance, easy replacement, and maintenance;
Discharge mechanism:unloading door is made by tooling and then processed by lathe to eliminate the phenomenon of Carmen; Hydraulic discharge, stable operation.

 

 

2.Company Profile

MAHangZhou CZPT METALLURGICAL MACHINE CO.,LTD. is located in the famous steel city HangZhou City, rich iron and steel resources for the development of my company provides a unique advantage, the company is the production and research of various wear-resistant, heat-resistant, shock-resistant alloy castings professional manufacturers; business is characterized by fine, special, unique. Products to the market economy needs throughout the country, each year more than 5,000 tons of various casting products in metallurgical machinery, construction, cement, transportation and other industries widely used. This product its unique properties of various materials to resist wear and tear on the product, as many national key projects of qualified suppliers.

3.Packaging & Delivery

Quick delivery and high efficiency.
Use reinforced packaging for important electronic accessories and wearing parts.
We will carefully calculate the type of space and cabinet needed to minimize the cost to buyers and help them save money.
Port: HangZhou, ZheJiang , ZheJiang , HangZhou, HangZhou

4.Service

Technical files service provided.
Spare parts replacement and repair service provided.
Our Products can be customized according to clients’ different requirement.
Technical support online service provided.

5.After-sale Service

May enjoy the life-long service and technical consultation after you buy our products.
Certain quantity stochastic tool will be provided while delivering goods.
Within 48 hours service will be available according to different regions after received the telephone.
The time of warranty is for a whole year
Promptly provides the fittings according to users’ demands, handles for the user consigns for shipment.
Provides the technology advisory service as necessary.
Please contact me when you have any problems with the plant.

6.Contact

 

 

 

Applications of Spline Couplings

A spline coupling is a highly effective means of connecting 2 or more components. These types of couplings are very efficient, as they combine linear motion with rotation, and their efficiency makes them a desirable choice in numerous applications. Read on to learn more about the main characteristics and applications of spline couplings. You will also be able to determine the predicted operation and wear. You can easily design your own couplings by following the steps outlined below.
splineshaft

Optimal design

The spline coupling plays an important role in transmitting torque. It consists of a hub and a shaft with splines that are in surface contact without relative motion. Because they are connected, their angular velocity is the same. The splines can be designed with any profile that minimizes friction. Because they are in contact with each other, the load is not evenly distributed, concentrating on a small area, which can deform the hub surface.
Optimal spline coupling design takes into account several factors, including weight, material characteristics, and performance requirements. In the aeronautics industry, weight is an important design factor. S.A.E. and ANSI tables do not account for weight when calculating the performance requirements of spline couplings. Another critical factor is space. Spline couplings may need to fit in tight spaces, or they may be subject to other configuration constraints.
Optimal design of spline couplers may be characterized by an odd number of teeth. However, this is not always the case. If the external spline’s outer diameter exceeds a certain threshold, the optimal spline coupling model may not be an optimal choice for this application. To optimize a spline coupling for a specific application, the user may need to consider the sizing method that is most appropriate for their application.
Once a design is generated, the next step is to test the resulting spline coupling. The system must check for any design constraints and validate that it can be produced using modern manufacturing techniques. The resulting spline coupling model is then exported to an optimisation tool for further analysis. The method enables a designer to easily manipulate the design of a spline coupling and reduce its weight.
The spline coupling model 20 includes the major structural features of a spline coupling. A product model software program 10 stores default values for each of the spline coupling’s specifications. The resulting spline model is then calculated in accordance with the algorithm used in the present invention. The software allows the designer to enter the spline coupling’s radii, thickness, and orientation.
splineshaft

Characteristics

An important aspect of aero-engine splines is the load distribution among the teeth. The researchers have performed experimental tests and have analyzed the effect of lubrication conditions on the coupling behavior. Then, they devised a theoretical model using a Ruiz parameter to simulate the actual working conditions of spline couplings. This model explains the wear damage caused by the spline couplings by considering the influence of friction, misalignment, and other conditions that are relevant to the splines’ performance.
In order to design a spline coupling, the user first inputs the design criteria for sizing load carrying sections, including the external spline 40 of the spline coupling model 30. Then, the user specifies torque margin performance requirement specifications, such as the yield limit, plastic buckling, and creep buckling. The software program then automatically calculates the size and configuration of the load carrying sections and the shaft. These specifications are then entered into the model software program 10 as specification values.
Various spline coupling configuration specifications are input on the GUI screen 80. The software program 10 then generates a spline coupling model by storing default values for the various specifications. The user then can manipulate the spline coupling model by modifying its various specifications. The final result will be a computer-aided design that enables designers to optimize spline couplings based on their performance and design specifications.
The spline coupling model software program continually evaluates the validity of spline coupling models for a particular application. For example, if a user enters a data value signal corresponding to a parameter signal, the software compares the value of the signal entered to the corresponding value in the knowledge base. If the values are outside the specifications, a warning message is displayed. Once this comparison is completed, the spline coupling model software program outputs a report with the results.
Various spline coupling design factors include weight, material properties, and performance requirements. Weight is 1 of the most important design factors, particularly in the aeronautics field. ANSI and S.A.E. tables do not consider these factors when calculating the load characteristics of spline couplings. Other design requirements may also restrict the configuration of a spline coupling.

Applications

Spline couplings are a type of mechanical joint that connects 2 rotating shafts. Its 2 parts engage teeth that transfer load. Although splines are commonly over-dimensioned, they are still prone to fatigue and static behavior. These properties also make them prone to wear and tear. Therefore, proper design and selection are vital to minimize wear and tear on splines. There are many applications of spline couplings.
A key design is based on the size of the shaft being joined. This allows for the proper spacing of the keys. A novel method of hobbing allows for the formation of tapered bases without interference, and the root of the keys is concentric with the axis. These features enable for high production rates. Various applications of spline couplings can be found in various industries. To learn more, read on.
FE based methodology can predict the wear rate of spline couplings by including the evolution of the coefficient of friction. This method can predict fretting wear from simple round-on-flat geometry, and has been calibrated with experimental data. The predicted wear rate is reasonable compared to the experimental data. Friction evolution in spline couplings depends on the spline geometry. It is also crucial to consider the lubrication condition of the splines.
Using a spline coupling reduces backlash and ensures proper alignment of mated components. The shaft’s splined tooth form transfers rotation from the splined shaft to the internal splined member, which may be a gear or other rotary device. A spline coupling’s root strength and torque requirements determine the type of spline coupling that should be used.
The spline root is usually flat and has a crown on 1 side. The crowned spline has a symmetrical crown at the centerline of the face-width of the spline. As the spline length decreases toward the ends, the teeth are becoming thinner. The tooth diameter is measured in pitch. This means that the male spline has a flat root and a crowned spline.
splineshaft

Predictability

Spindle couplings are used in rotating machinery to connect 2 shafts. They are composed of 2 parts with teeth that engage each other and transfer load. Spline couplings are commonly over-dimensioned and are prone to static and fatigue behavior. Wear phenomena are also a common problem with splines. To address these issues, it is essential to understand the behavior and predictability of these couplings.
Dynamic behavior of spline-rotor couplings is often unclear, particularly if the system is not integrated with the rotor. For example, when a misalignment is not present, the main response frequency is 1 X-rotating speed. As the misalignment increases, the system starts to vibrate in complex ways. Furthermore, as the shaft orbits depart from the origin, the magnitudes of all the frequencies increase. Thus, research results are useful in determining proper design and troubleshooting of rotor systems.
The model of misaligned spline couplings can be obtained by analyzing the stress-compression relationships between 2 spline pairs. The meshing force model of splines is a function of the system mass, transmitting torque, and dynamic vibration displacement. This model holds when the dynamic vibration displacement is small. Besides, the CZPT stepping integration method is stable and has high efficiency.
The slip distributions are a function of the state of lubrication, coefficient of friction, and loading cycles. The predicted wear depths are well within the range of measured values. These predictions are based on the slip distributions. The methodology predicts increased wear under lightly lubricated conditions, but not under added lubrication. The lubrication condition and coefficient of friction are the key factors determining the wear behavior of splines.

China Standard Screw Conveyor for Concrete Mixing Plant & Conveyor System near me supplier China Standard Screw Conveyor for Concrete Mixing Plant & Conveyor System near me supplier

China Custom Drilling Well Slurry Mud Screw Conveyor with high quality

Product Description

1.Product Details

 

1.Advantages Of Screw Conveyor:

 

1.Using high quality steel pipe, the overall rigidity is good.
2.Double pitch blade to reduce the degree of compression in material transportation .
3.It adopts high-quality reducer and heavy-duty design. It has the characteristics of large turning distance and low noise.
4.Universal ball connection is optional to facilitate installation, adjustment and steeling.
5.Equipped with medium suspension bearings and tail bearings of good quality, and easy to install.
6.Adequate spare parts, complete specifications.
7.Commonly used diameter 165,219,273,323,407 large stock,size and angle can be customized according to customer requirements.
8.Standard components, easy to transport.
9.One-time forming of spiral blade,double pitch design ,never plugging.

 

1.Simple structure, good sealing, easy operation and low power invest cost. 
2.It has the features of small screw diameter, high rotation speed and large capacity, specially suitable for inclined transport. The angle is up to 60 degree. 
3.Widely used in chemical, metallurgy, paper making, and construction industries, etc. 
4.Axle head and conveying spiral adopt spline connection, with features of convenient mounting&disassembling, large load capacity and stability. 
5.All sections of screw conveyor are connected with flange. Also screw blades are integral connection. 
6.Inlet and outlet chutes have many kinds of connections, such as flange, sack, universal joint, etc.

2.Our Company’s Product:

Reducer: an independent part composed of gear drive, worm drive and gear – worm drive enclosed in a rigid shell. It plays the role of matching speed and transferring torque between prime mover and working machine or actuator. It is a kind of relatively precise machinery. The purpose of using it is to reduce the speed and increase the torque. 

Shaft-end Seal: With multi-shaft-end seal in shaft end and avoids cement&mud approaching to shaft end to extend service life of the concrete mixer.
Discharging Device: Hydralic discharging system,with strong drive force and reliable discharging.Discharging door can be opened at any angle,with manual discharging function.The discharging door adopts detachable structure which is convenient for maint.
 

Shaft end seal:Separate seal and bearing, more stable operation, better maintenance, easy replacement, and maintenance;
Discharge mechanism:unloading door is made by tooling and then processed by lathe to eliminate the phenomenon of Carmen; Hydraulic discharge, stable operation.

 

 

2.Company Profile

MAHangZhou CZPT METALLURGICAL MACHINE CO.,LTD. is located in the famous steel city HangZhou City, rich iron and steel resources for the development of my company provides a unique advantage, the company is the production and research of various wear-resistant, heat-resistant, shock-resistant alloy castings professional manufacturers; business is characterized by fine, special, unique. Products to the market economy needs throughout the country, each year more than 5,000 tons of various casting products in metallurgical machinery, construction, cement, transportation and other industries widely used. This product its unique properties of various materials to resist wear and tear on the product, as many national key projects of qualified suppliers.

3.Packaging & Delivery

 

Quick delivery and high efficiency.
Use reinforced packaging for important electronic accessories and wearing parts.
We will carefully calculate the type of space and cabinet needed to minimize the cost to buyers and help them save money.
Port: HangZhou, ZheJiang , ZheJiang , HangZhou, HangZhou

4.Service

Technical files service provided.
Spare parts replacement and repair service provided.
Our Products can be customized according to clients’ different requirement.
Technical support online service provided.

5.After-sale Service

May enjoy the life-long service and technical consultation after you buy our products.
Certain quantity stochastic tool will be provided while delivering goods.
Within 48 hours service will be available according to different regions after received the telephone.
The time of warranty is for a whole year
Promptly provides the fittings according to users’ demands, handles for the user consigns for shipment.
Provides the technology advisory service as necessary.
Please contact me when you have any problems with the plant.

6.Contact

 

 

 

Analytical Approaches to Estimating Contact Pressures in Spline Couplings

A spline coupling is a type of mechanical connection between 2 rotating shafts. It consists of 2 parts – a coupler and a coupling. Both parts have teeth which engage and transfer loads. However, spline couplings are typically over-dimensioned, which makes them susceptible to fatigue and static behavior. Wear phenomena can also cause the coupling to fail. For this reason, proper spline coupling design is essential for achieving optimum performance.
splineshaft

Modeling a spline coupling

Spline couplings are becoming increasingly popular in the aerospace industry, but they operate in a slightly misaligned state, causing both vibrations and damage to the contact surfaces. To solve this problem, this article offers analytical approaches for estimating the contact pressures in a spline coupling. Specifically, this article compares analytical approaches with pure numerical approaches to demonstrate the benefits of an analytical approach.
To model a spline coupling, first you create the knowledge base for the spline coupling. The knowledge base includes a large number of possible specification values, which are related to each other. If you modify 1 specification, it may lead to a warning for violating another. To make the design valid, you must create a spline coupling model that meets the specified specification values.
After you have modeled the geometry, you must enter the contact pressures of the 2 spline couplings. Then, you need to determine the position of the pitch circle of the spline. In Figure 2, the centre of the male coupling is superposed to that of the female spline. Then, you need to make sure that the alignment meshing distance of the 2 splines is the same.
Once you have the data you need to create a spline coupling model, you can begin by entering the specifications for the interface design. Once you have this data, you need to choose whether to optimize the internal spline or the external spline. You’ll also need to specify the tooth friction coefficient, which is used to determine the stresses in the spline coupling model 20. You should also enter the pilot clearance, which is the clearance between the tip 186 of a tooth 32 on 1 spline and the feature on the mating spline.
After you have entered the desired specifications for the external spline, you can enter the parameters for the internal spline. For example, you can enter the outer diameter limit 154 of the major snap 54 and the minor snap 56 of the internal spline. The values of these parameters are displayed in color-coded boxes on the Spline Inputs and Configuration GUI screen 80. Once the parameters are entered, you’ll be presented with a geometric representation of the spline coupling model 20.

Creating a spline coupling model 20

The spline coupling model 20 is created by a product model software program 10. The software validates the spline coupling model against a knowledge base of configuration-dependent specification constraints and relationships. This report is then input to the ANSYS stress analyzer program. It lists the spline coupling model 20’s geometric configurations and specification values for each feature. The spline coupling model 20 is automatically recreated every time the configuration or performance specifications of the spline coupling model 20 are modified.
The spline coupling model 20 can be configured using the product model software program 10. A user specifies the axial length of the spline stack, which may be zero, or a fixed length. The user also enters a radial mating face 148, if any, and selects a pilot clearance specification value of 14.5 degrees or 30 degrees.
A user can then use the mouse 110 to modify the spline coupling model 20. The spline coupling knowledge base contains a large number of possible specification values and the spline coupling design rule. If the user tries to change a spline coupling model, the model will show a warning about a violation of another specification. In some cases, the modification may invalidate the design.
In the spline coupling model 20, the user enters additional performance requirement specifications. The user chooses the locations where maximum torque is transferred for the internal and external splines 38 and 40. The maximum torque transfer location is determined by the attachment configuration of the hardware to the shafts. Once this is selected, the user can click “Next” to save the model. A preview of the spline coupling model 20 is displayed.
The model 20 is a representation of a spline coupling. The spline specifications are entered in the order and arrangement as specified on the spline coupling model 20 GUI screen. Once the spline coupling specifications are entered, the product model software program 10 will incorporate them into the spline coupling model 20. This is the last step in spline coupling model creation.
splineshaft

Analysing a spline coupling model 20

An analysis of a spline coupling model consists of inputting its configuration and performance specifications. These specifications may be generated from another computer program. The product model software program 10 then uses its internal knowledge base of configuration dependent specification relationships and constraints to create a valid three-dimensional parametric model 20. This model contains information describing the number and types of spline teeth 32, snaps 34, and shoulder 36.
When you are analysing a spline coupling, the software program 10 will include default values for various specifications. The spline coupling model 20 comprises an internal spline 38 and an external spline 40. Each of the splines includes its own set of parameters, such as its depth, width, length, and radii. The external spline 40 will also contain its own set of parameters, such as its orientation.
Upon selecting these parameters, the software program will perform various analyses on the spline coupling model 20. The software program 10 calculates the nominal and maximal tooth bearing stresses and fatigue life of a spline coupling. It will also determine the difference in torsional windup between an internal and an external spline. The output file from the analysis will be a report file containing model configuration and specification data. The output file may also be used by other computer programs for further analysis.
Once these parameters are set, the user enters the design criteria for the spline coupling model 20. In this step, the user specifies the locations of maximum torque transfer for both the external and internal spline 38. The maximum torque transfer location depends on the configuration of the hardware attached to the shafts. The user may enter up to 4 different performance requirement specifications for each spline.
The results of the analysis show that there are 2 phases of spline coupling. The first phase shows a large increase in stress and vibration. The second phase shows a decline in both stress and vibration levels. The third stage shows a constant meshing force between 300N and 320N. This behavior continues for a longer period of time, until the final stage engages with the surface.
splineshaft

Misalignment of a spline coupling

A study aimed to investigate the position of the resultant contact force in a spline coupling engaging teeth under a steady torque and rotating misalignment. The study used numerical methods based on Finite Element Method (FEM) models. It produced numerical results for nominal conditions and parallel offset misalignment. The study considered 2 levels of misalignment – 0.02 mm and 0.08 mm – with different loading levels.
The results showed that the misalignment between the splines and rotors causes a change in the meshing force of the spline-rotor coupling system. Its dynamics is governed by the meshing force of splines. The meshing force of a misaligned spline coupling is related to the rotor-spline coupling system parameters, the transmitting torque, and the dynamic vibration displacement.
Despite the lack of precise measurements, the misalignment of splines is a common problem. This problem is compounded by the fact that splines usually feature backlash. This backlash is the result of the misaligned spline. The authors analyzed several splines, varying pitch diameters, and length/diameter ratios.
A spline coupling is a two-dimensional mechanical system, which has positive backlash. The spline coupling is comprised of a hub and shaft, and has tip-to-root clearances that are larger than the backlash. A form-clearance is sufficient to prevent tip-to-root fillet contact. The torque on the splines is transmitted via friction.
When a spline coupling is misaligned, a torque-biased thrust force is generated. In such a situation, the force can exceed the torque, causing the component to lose its alignment. The two-way transmission of torque and thrust is modeled analytically in the present study. The analytical approach provides solutions that can be integrated into the design process. So, the next time you are faced with a misaligned spline coupling problem, make sure to use an analytical approach!
In this study, the spline coupling is analyzed under nominal conditions without a parallel offset misalignment. The stiffness values obtained are the percentage difference between the nominal pitch diameter and load application diameter. Moreover, the maximum percentage difference in the measured pitch diameter is 1.60% under a torque of 5000 N*m. The other parameter, the pitch angle, is taken into consideration in the calculation.

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