1. Less than 45kgs, send by Express 2. Between 45 – 150kgs, send by Air 3. More than 150kgs, send by Sea
Tapered roller bearings are separable bearings. The inner components and outer rings can be installed separately. The radial and axial clearances of the bearings can be adjusted during installation and use. They are mostly used for automobile rear axle hubs, large machine tool spindles, and high power. Reducer, rollers of conveying device and support roller and work roller of rolling mill.
1)Taper roller bearings consist of 4 independent components: the cone(the inner ring); the cup(the outer ring); the tapered roller(the rolling elements); and the cage(the roller retainers).
2)The bearings have taped inner and outer ring raceways between which tapered rollers are arranged, and the conical rollers are guided by a back-face flange on the cone.
3)The bearings are not self-retaining. As a result, the inner ring together with the rollers and cage can be fitted separately from the outer ring.
4)These bearings are capable of taking high radial loads and axial loads in 1 direction. In addition, the rollers are increased in both size and number giving it an even higher load capacity
5)The axial load carrying is determined by the contact angel. The larger angel, the higher the axial load carrying capacity.
6)Sufix of the bearing:
35710 Series – Tapered Roller Bearings
32000 Series – Tapered Roller Bearings
32200 Series – Tapered Roller Bearings
33000 Series – Tapered Roller Bearings
Features and benefits:
Low friction Long service life Enhanced operational reliability Consistency of roller profiles and sizes Rigid bearing application Running-in period with reduced temperature peaks Separable and interchangeable
Application:
Car, rolling mill, mining, metallurgical, plastic machinery, etc
We can supply following bearing:
ZheJiang CZPT Bearing can supply you with the broadest possible array of bearings. In addition to Ball bearing, Roller bearing, Needle bearing, Pillow Blocks, we manufacture Flange blocks, Rolling mill bearing, Slide bearing and Water pump bearing. Our unparalleled experience as a total manufacturer and exporter for these industries is essential for the development and application of a premier product line for all general industries.
We pride ourselves on our ability to serve every customer, from backyard mechanics, to independent shop owners, to automotive technicians, to large manufacturing plants. Our Target Industries served are Agricultural Equipment, Cranes, Electric Motors, Gearboxes, Material Handling, Packaging Machinery, Power Tools, Pumps, Railways and Transportation, Robotics, and products for Textile Machinery. ZheJiang Bearing Company is a stronger and growing exporter of bearing in China.
In addition to manufacturing commodity-based bearing products, CZPT Bearing makes custom bearing solutions for OEM. ZheJiang CZPT bearing has stringent quality control standards and maintains complete control over supply, using only the highest grade bearing steel.
Our mission is to fully provide for you. Well into our more than Ten years of business, we are confident that you’ll find what you’re looking for in bearing product here. Please call, email, or stop by for more information.
We have well facilities and complete equipment strong technology and professional after-sales service.
Packing
A. Plastic paper + kraft paper + outer carton + Nylon bag B. Tube package + outer carton + Nylon bag C. Single box + outer carton + pallets D. According to your requirement
Q: Is your company a factory or a trading company? A: We have our own factory, our type is factory & trade.
Q: What is your company’s minimum order quantity? A: 1pc.
Q: Could you tell me the material of your bearing? A: We can provide you with chrome steel, stainless steel, ceramic and carbon steel.
Q: Can you affix my brand name (logo) on these products? A: Yes, we can customize it for you according to samples or drawings.
Q: Could you supply samples for free? A: Yes, We are honored to offer you samples for quality check, do you only need to pay for the freight?
Q: Could you offer door to door service? A: Yes.
Q: How long do I need to wait before my goods arrive? A: International express delivery takes 3-5days, 5-7 days for air transportation and 35-40 days for sea transportation.
Q: What payment methods do you accept? A: T/T, L/C.
How to Select: – Choose the bearing model or size. – Pricing adjusts according to the bearing size and quantity.
We are the factory that is willing to accompany with you to grow and develop together, we hope to establish a long-term cooperative relationship with you. And you are very welcome to contact me and visit our factory.
How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings
There are various types of spline couplings. These couplings have several important properties. These properties are: Stiffness, Involute splines, Misalignment, Wear and fatigue failure. To understand how these characteristics relate to spline couplings, read this article. It will give you the necessary knowledge to determine which type of coupling best suits your needs. Keeping in mind that spline couplings are usually spherical in shape, they are made of steel.
Involute splines
An effective side interference condition minimizes gear misalignment. When 2 splines are coupled with no spline misalignment, the maximum tensile root stress shifts to the left by 5 mm. A linear lead variation, which results from multiple connections along the length of the spline contact, increases the effective clearance or interference by a given percentage. This type of misalignment is undesirable for coupling high-speed equipment. Involute splines are often used in gearboxes. These splines transmit high torque, and are better able to distribute load among multiple teeth throughout the coupling circumference. The involute profile and lead errors are related to the spacing between spline teeth and keyways. For coupling applications, industry practices use splines with 25 to 50-percent of spline teeth engaged. This load distribution is more uniform than that of conventional single-key couplings. To determine the optimal tooth engagement for an involved spline coupling, Xiangzhen Xue and colleagues used a computer model to simulate the stress applied to the splines. The results from this study showed that a “permissible” Ruiz parameter should be used in coupling. By predicting the amount of wear and tear on a crowned spline, the researchers could accurately predict how much damage the components will sustain during the coupling process. There are several ways to determine the optimal pressure angle for an involute spline. Involute splines are commonly measured using a pressure angle of 30 degrees. Similar to gears, involute splines are typically tested through a measurement over pins. This involves inserting specific-sized wires between gear teeth and measuring the distance between them. This method can tell whether the gear has a proper tooth profile. The spline system shown in Figure 1 illustrates a vibration model. This simulation allows the user to understand how involute splines are used in coupling. The vibration model shows 4 concentrated mass blocks that represent the prime mover, the internal spline, and the load. It is important to note that the meshing deformation function represents the forces acting on these 3 components.
Stiffness of coupling
The calculation of stiffness of a spline coupling involves the measurement of its tooth engagement. In the following, we analyze the stiffness of a spline coupling with various types of teeth using 2 different methods. Direct inversion and blockwise inversion both reduce CPU time for stiffness calculation. However, they require evaluation submatrices. Here, we discuss the differences between these 2 methods. The analytical model for spline couplings is derived in the second section. In the third section, the calculation process is explained in detail. We then validate this model against the FE method. Finally, we discuss the influence of stiffness nonlinearity on the rotor dynamics. Finally, we discuss the advantages and disadvantages of each method. We present a simple yet effective method for estimating the lateral stiffness of spline couplings. The numerical calculation of the spline coupling is based on the semi-analytical spline load distribution model. This method involves refined contact grids and updating the compliance matrix at each iteration. Hence, it consumes significant computational time. Further, it is difficult to apply this method to the dynamic analysis of a rotor. This method has its own limitations and should be used only when the spline coupling is fully investigated. The meshing force is the force generated by a misaligned spline coupling. It is related to the spline thickness and the transmitting torque of the rotor. The meshing force is also related to the dynamic vibration displacement. The result obtained from the meshing force analysis is given in Figures 7, 8, and 9. The analysis presented in this paper aims to investigate the stiffness of spline couplings with a misaligned spline. Although the results of previous studies were accurate, some issues remained. For example, the misalignment of the spline may cause contact damages. The aim of this article is to investigate the problems associated with misaligned spline couplings and propose an analytical approach for estimating the contact pressure in a spline connection. We also compare our results to those obtained by pure numerical approaches.
Misalignment
To determine the centering force, the effective pressure angle must be known. Using the effective pressure angle, the centering force is calculated based on the maximum axial and radial loads and updated Dudley misalignment factors. The centering force is the maximum axial force that can be transmitted by friction. Several published misalignment factors are also included in the calculation. A new method is presented in this paper that considers the cam effect in the normal force. In this new method, the stiffness along the spline joint can be integrated to obtain a global stiffness that is applicable to torsional vibration analysis. The stiffness of bearings can also be calculated at given levels of misalignment, allowing for accurate estimation of bearing dimensions. It is advisable to check the stiffness of bearings at all times to ensure that they are properly sized and aligned. A misalignment in a spline coupling can result in wear or even failure. This is caused by an incorrectly aligned pitch profile. This problem is often overlooked, as the teeth are in contact throughout the involute profile. This causes the load to not be evenly distributed along the contact line. Consequently, it is important to consider the effect of misalignment on the contact force on the teeth of the spline coupling. The centre of the male spline in Figure 2 is superposed on the female spline. The alignment meshing distances are also identical. Hence, the meshing force curves will change according to the dynamic vibration displacement. It is necessary to know the parameters of a spline coupling before implementing it. In this paper, the model for misalignment is presented for spline couplings and the related parameters. Using a self-made spline coupling test rig, the effects of misalignment on a spline coupling are studied. In contrast to the typical spline coupling, misalignment in a spline coupling causes fretting wear at a specific position on the tooth surface. This is a leading cause of failure in these types of couplings.
Wear and fatigue failure
The failure of a spline coupling due to wear and fatigue is determined by the first occurrence of tooth wear and shaft misalignment. Standard design methods do not account for wear damage and assess the fatigue life with big approximations. Experimental investigations have been conducted to assess wear and fatigue damage in spline couplings. The tests were conducted on a dedicated test rig and special device connected to a standard fatigue machine. The working parameters such as torque, misalignment angle, and axial distance have been varied in order to measure fatigue damage. Over dimensioning has also been assessed. During fatigue and wear, mechanical sliding takes place between the external and internal splines and results in catastrophic failure. The lack of literature on the wear and fatigue of spline couplings in aero-engines may be due to the lack of data on the coupling’s application. Wear and fatigue failure in splines depends on a number of factors, including the material pair, geometry, and lubrication conditions. The analysis of spline couplings shows that over-dimensioning is common and leads to different damages in the system. Some of the major damages are wear, fretting, corrosion, and teeth fatigue. Noise problems have also been observed in industrial settings. However, it is difficult to evaluate the contact behavior of spline couplings, and numerical simulations are often hampered by the use of specific codes and the boundary element method. The failure of a spline gear coupling was caused by fatigue, and the fracture initiated at the bottom corner radius of the keyway. The keyway and splines had been overloaded beyond their yield strength, and significant yielding was observed in the spline gear teeth. A fracture ring of non-standard alloy steel exhibited a sharp corner radius, which was a significant stress raiser. Several components were studied to determine their life span. These components include the spline shaft, the sealing bolt, and the graphite ring. Each of these components has its own set of design parameters. However, there are similarities in the distributions of these components. Wear and fatigue failure of spline couplings can be attributed to a combination of the 3 factors. A failure mode is often defined as a non-linear distribution of stresses and strains.
Hot sale single row cylindrical roller bearings N318 for generators
At Bearing Service, we are brg bearing single row ball bearing pacific bearing grateful to have the opportunity to work with manufacturers like Great Bearing. Absolutely axle bearing bearing plate ball bearing size chart dedicated to customer satisfaction, they are continually bearing oil one way clutch bearing nmb bearingsstriving to meet the demands of their – and our – clients. If you’ve been mini ball bearings conveyor roller bearings purchase ball bearings earching for new gearmotors – or any power transmission products – we encourage you to browse our site, view our catalog, and contact us if we can help. Cylindrical roller bearings have high radial load capacity and some designs can accept light axial loading. They operate at moderate-to-high speeds. The lubrication method must be carefully considered during the design phase when using roller bearings. N, NU, NJ, and NUP Series, with various cage designs: Metric Main purposes: medium and large motors, generators, internal combustion engines, gas turbines, machine tool spindles,deceleration devices, handling machinery, all kinds of industrial machinery.
Name
NUP1032 NUP1032E cylindrical roller bearing
Model of bearing
NUP1032 NUP1032E
Size
160*240*38mm
Weight
5.81KG
Bearing material
chrome steel, stainless steel,carton steel
Cage
steel, brass, nylon
Precision
P0 P6 P5 P4 P2
Delivery date
1-2 working days after received ur payment
Payment terms
A:1 , the delivery time is 10-35 days .
IV. FAQ 1. Q: When can I get the price? A: After we get your inquiry, usually will response within 2-6 hours and quote for you soon, Urgent will be faster. 2. Q: Can I get free samples for test from your company? A: Yes, standard samples are available. 3. Q: What is the MOQ of your products? A: Usually ≥1, according to your demand, we are CZPT to accept small quantity order. 4. Q: Could you accept OEM service and customize? A: Yes, OEM is accepted and we can customize according to your sample and drawing. 5. Q: How about the Delivery time? A: In Stocks: 1-2 workdays. Production: 10-20 workdays after received your deposit. (According to your order quantity) 6. Q: What will we do if If we are not satisfied with the product? A: If have any abnormal, please Contact Us firstly, we will negotiate with customer to find a reasonable way to resolve and compensate.
V. CONTACT INFO. ZheJiang CHIK BEARING CO, .LTD. Chris ( Export Dep. ) Add: No.9 Longao, North Longao Road, HangZhou city,ZheJiang ,china 25 Fax: Mobile: –
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.
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.
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.
Product Description of angular contact ball bearing
Angular contact ball bearings have inner and outer ring raceways that are displaced relative to each other in the direction of the bearing axis. This means that these bearings are designed to accommodate combined loads, i.e. simultaneously acting radial and axial loads. The axial load carrying capacity of angular contact ball bearings increases as the contact angle increases. The contact angle is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, along which the combined load is transmitted from 1 raceway to another, and a line perpendicular to the bearing axis.
The most commonly used designs are:
single row angular contact ball bearings.
double row angular contact ball bearings.
four-point contact ball bearings
Applications:
Single row angular contact ball bearings: machine tool spindles, high frequency motors, gas turbines, centrifuges, small car front wheel, differential pinion shaft, booster pumps, drilling platforms, food machinery, dividing head, fill welder, low-noise cooling towers, electrical and mechanical equipment, painting equipment, machine slot board, arc welding machine. Double row angular contact ball bearings: pump, blower, air compressor, various types of transmission, fuel injection pumps, printing machinery, planetary reducer, extraction equipment, cycloid reducer, food packaging machinery, welding machines, electric irons, square box, gravity gun, wire strippers, axle, test analysis equipment, fine chemicals, machinery.
Specifications of angular contact ball bearing 7205C
Product name
bearing 7205C
Dimension
25 mm
Brand name
OEM
Material
chrome steel
Weight
12 g
Hardness
58~62
Quality standard
SGS ISO9
We have all kinds of bearings, just tell me your item number and quantity,best price will be offered to you soon The material of the bearings, precision rating, seals type,OEM service,etc, all of them we can make according to your requiremen
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.
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.
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.
The advantage 1). Raw Material: Specified high quality GCR15 2). Advanced digital turning, grinding machines and experienced workers guarantee the precision and quality. 3). QC: Workers do 3 and check 1 of them, according to the operation card attached on the machine. 4). Automatic demagnetization, cleaning& anti-rust machine to ensure the cleanliness of the product. 5). Quality Control: QC inspect 4times/day at random, 100%full inspection before assembling &shiped. 6). Professional management system and team, tidy workshop environment to lead a good mood to every worker. Application A. Auto wheel hub, Auto engine, Auto axle B. Agricultural machinery, Rotary plow bearings, Tractor, Water pump, Oil engine harvester, Seeder, Tricycle, Farm vehicle, Cultivator C. Engineering machinery, Excavator, Dozer, Paver, Loader, Hoisting machinery, Piling soil machinery D. Steel mill machinery, Oil field machinery, Motorship machinery E. Hardware tool, Electric power tool, Household appliance industry F. Electronic toys, Fitness equipment, Building machinery G. Series Of Pumps, Antiseptic Pump, Water pump, Submersible pump, Sewage pump H. Motor bearings, Generator, Hydroelectric generator I. Machinetool, Special purpose grinder, Precision lathe J. Printing machinery, Woodworking Machinery, Textile Machinery K. Locomotive bearing, wind power generation set, heat energy generation set, hydroelectric power generation set fields Tapered roller bearings 33030
Model
Bruttopris i DKK
ID(d)
OD(D)
Width (B)
Weight/g
NUP 314 ECNM/C3VM014
481,424
70
150
35
33,300
NUP 314 ECNML/C3
422,490
70
150
35
31,100
NUP 314 ECNRP
296,147
70
1,597
35
29,200
NUP 314 ECP
223,554
70
150
35
28,700
NUP 315 ECP
294,677
75
160
37
34,400
NUP 316 ECP
330,195
80
170
39
40,900
NUP 317 ECJ
969,352
85
180
41
47,700
NUP 317 ECP
348,733
85
180
41
49,100
NUP 318 ECJ
778,705
90
190
43
55,300
NUP 319 ECM/C4VA301
1,074,814
95
200
45
75,500
NUP 320 ECJ
805,046
100
215
47
77,700
NUP 322 ECJ
1,035,269
110
240
50
107,200
NCF 18/530 V/CNL
9,045,563
530
650
56
374,800
NCF 18/600 V/C3
10,333,846
600
730
60
496,400
NCF 18/600 V/VS003
10,333,846
600
730
60
496,400
NCF 18/670 V
13,179,045
670
820
69
738,000
NCF 1856 V
1,213,832
280
350
33
72,000
NCF 1868 V/CNL
2,642,586
340
420
38
103,800
NCF 2224 V
1,322,867
120
215
58
90,400
NCF 2234 V/L4B
1,619,879
170
310
86
294,000
NCF 2912 V
134,347
60
85
16
2,800
NCF 2914 CV
250,477
70
100
19
4,700
NCF 2916 CV
294,901
80
110
19
5,300
NCF 2916 CV/W64
1,030,554
80
110
19
5,300
NCF 2918 CV
417,484
90
125
22
8,300
NCF 2920 CV
556,173
100
140
24
10,800
NCF 2924 CV
708,379
120
165
27
17,200
NCF 2926 CV
680,083
130
180
30
22,700
NCF 2928 CV
929,218
140
190
30
23,600
The Benefits of Spline Couplings for Disc Brake Mounting Interfaces
Spline couplings are commonly used for securing disc brake mounting interfaces. Spline couplings are often used in high-performance vehicles, aeronautics, and many other applications. However, the mechanical benefits of splines are not immediately obvious. Listed below are the benefits of spline couplings. We’ll discuss what these advantages mean for you. Read on to discover how these couplings work.
Disc brake mounting interfaces are splined
There are 2 common disc brake mounting interfaces – splined and six-bolt. Splined rotors fit on splined hubs; six-bolt rotors will need an adapter to fit on six-bolt hubs. The six-bolt method is easier to maintain and may be preferred by many cyclists. If you’re thinking of installing a disc brake system, it is important to know how to choose the right splined and center lock interfaces.
Aerospace applications
The splines used for spline coupling in aircraft are highly complex. While some previous researches have addressed the design of splines, few publications have tackled the problem of misaligned spline coupling. Nevertheless, the accurate results we obtained were obtained using dedicated simulation tools, which are not commercially available. Nevertheless, such tools can provide a useful reference for our approach. It would be beneficial if designers could use simple tools for evaluating contact pressure peaks. Our analytical approach makes it possible to find answers to such questions. The design of a spline coupling for aerospace applications must be accurate to minimize weight and prevent failure mechanisms. In addition to weight reduction, it is necessary to minimize fretting fatigue. The pressure distribution on the spline coupling teeth is a significant factor in determining its fretting fatigue. Therefore, we use analytical and experimental methods to examine the contact pressure distribution in the axial direction of spline couplings. The teeth of a spline coupling can be categorized by the type of engagement they provide. This study investigates the position of resultant contact forces in the teeth of a spline coupling when applied to pitch diameter. Using FEM models, numerical results are generated for nominal and parallel offset misalignments. The axial tooth profile determines the behavior of the coupling component and its ability to resist wear. Angular misalignment is also a concern, causing misalignment. In order to assess wear damage of a spline coupling, we must take into consideration the impact of fretting on the components. This wear is caused by relative motion between the teeth that engage them. The misalignment may be caused by vibrations, cyclical tooth deflection, or angular misalignment. The result of this analysis may help designers improve their spline coupling designs and develop improved performance. CZPT polyimide, an abrasion-resistant polymer, is a popular choice for high-temperature spline couplings. This material reduces friction and wear, provides a low friction surface, and has a low wear rate. Furthermore, it offers up to 50 times the life of metal on metal spline connections. For these reasons, it is important to choose the right material for your spline coupling.
High-performance vehicles
A spline coupler is a device used to connect splined shafts. A typical spline coupler resembles a short pipe with splines on either end. There are 2 basic types of spline coupling: single and dual spline. One type attaches to a drive shaft, while the other attaches to the gearbox. While spline couplings are typically used in racing, they’re also used for performance problems. The key challenge in spline couplings is to determine the optimal dimension of spline joints. This is difficult because no commercial codes allow the simulation of misaligned joints, which can destroy components. This article presents analytical approaches to estimating contact pressures in spline connections. The results are comparable with numerical approaches but require special codes to accurately model the coupling operation. This research highlights several important issues and aims to make the application of spline couplings in high-performance vehicles easier. The stiffness of spline assemblies can be calculated using tooth-like structures. Such splines can be incorporated into the spline joint to produce global stiffness for torsional vibration analysis. Bearing reactions are calculated for a certain level of misalignment. This information can be used to design bearing dimensions and correct misalignment. There are 3 types of spline couplings. Major diameter fit splines are made with tightly controlled outside diameters. This close fit provides concentricity transfer from the male to the female spline. The teeth of the male spline usually have chamfered tips and clearance with fillet radii. These splines are often manufactured from billet steel or aluminum. These materials are renowned for their strength and uniform grain created by the forging process. ANSI and DIN design manuals define classes of fit.
Disc brake mounting interfaces
A spline coupling for disc brake mounting interfaces is a type of hub-to-brake-disc mount. It is a highly durable coupling mechanism that reduces heat transfer from the disc to the axle hub. The mounting arrangement also isolates the axle hub from direct contact with the disc. It is also designed to minimize the amount of vehicle downtime and maintenance required to maintain proper alignment. Disc brakes typically have substantial metal-to-metal contact with axle hub splines. The discs are held in place on the hub by intermediate inserts. This metal-to-metal contact also aids in the transfer of brake heat from the brake disc to the axle hub. Spline coupling for disc brake mounting interfaces comprises a mounting ring that is either a threaded or non-threaded spline. During drag brake experiments, perforated friction blocks filled with various additive materials are introduced. The materials included include Cu-based powder metallurgy material, a composite material, and a Mn-Cu damping alloy. The filling material affects the braking interface’s wear behavior and friction-induced vibration characteristics. Different filling materials produce different types of wear debris and have different wear evolutions. They also differ in their surface morphology. Disc brake couplings are usually made of 2 different types. The plain and HD versions are interchangeable. The plain version is the simplest to install, while the HD version has multiple components. The two-piece couplings are often installed at the same time, but with different mounting interfaces. You should make sure to purchase the appropriate coupling for your vehicle. These interfaces are a vital component of your vehicle and must be installed correctly for proper operation. Disc brakes use disc-to-hub elements that help locate the forces and displace them to the rim. These elements are typically made of stainless steel, which increases the cost of manufacturing the disc brake mounting interface. Despite their benefits, however, the high braking force loads they endure are hard on the materials. Moreover, excessive heat transferred to the intermediate elements can adversely affect the fatigue life and long-term strength of the brake system.
1. Less than 45kgs, send by Express 2. Between 45 – 150kgs, send by Air 3. More than 150kgs, send by Sea
Tapered roller bearings are separable bearings. The inner components and outer rings can be installed separately. The radial and axial clearances of the bearings can be adjusted during installation and use. They are mostly used for automobile rear axle hubs, large machine tool spindles, and high power. Reducer, rollers of conveying device and support roller and work roller of rolling mill.
1)Taper roller bearings consist of 4 independent components: the cone(the inner ring); the cup(the outer ring); the tapered roller(the rolling elements); and the cage(the roller retainers).
2)The bearings have taped inner and outer ring raceways between which tapered rollers are arranged, and the conical rollers are guided by a back-face flange on the cone.
3)The bearings are not self-retaining. As a result, the inner ring together with the rollers and cage can be fitted separately from the outer ring.
4)These bearings are capable of taking high radial loads and axial loads in 1 direction. In addition, the rollers are increased in both size and number giving it an even higher load capacity
5)The axial load carrying is determined by the contact angel. The larger angel, the higher the axial load carrying capacity.
6)Sufix of the bearing:
35710 Series – Tapered Roller Bearings
32000 Series – Tapered Roller Bearings
32200 Series – Tapered Roller Bearings
33000 Series – Tapered Roller Bearings
Features and benefits:
Low friction Long service life Enhanced operational reliability Consistency of roller profiles and sizes Rigid bearing application Running-in period with reduced temperature peaks Separable and interchangeable
Application:
Car, rolling mill, mining, metallurgical, plastic machinery, etc
We can supply following bearing:
ZheJiang CZPT Bearing can supply you with the broadest possible array of bearings. In addition to Ball bearing, Roller bearing, Needle bearing, Pillow Blocks, we manufacture Flange blocks, Rolling mill bearing, Slide bearing and Water pump bearing. Our unparalleled experience as a total manufacturer and exporter for these industries is essential for the development and application of a premier product line for all general industries.
We pride ourselves on our ability to serve every customer, from backyard mechanics, to independent shop owners, to automotive technicians, to large manufacturing plants. Our Target Industries served are Agricultural Equipment, Cranes, Electric Motors, Gearboxes, Material Handling, Packaging Machinery, Power Tools, Pumps, Railways and Transportation, Robotics, and products for Textile Machinery. ZheJiang Bearing Company is a stronger and growing exporter of bearing in China.
In addition to manufacturing commodity-based bearing products, CZPT Bearing makes custom bearing solutions for OEM. ZheJiang CZPT bearing has stringent quality control standards and maintains complete control over supply, using only the highest grade bearing steel.
Our mission is to fully provide for you. Well into our more than Ten years of business, we are confident that you’ll find what you’re looking for in bearing product here. Please call, email, or stop by for more information.
We have well facilities and complete equipment strong technology and professional after-sales service.
Packing
A. Plastic paper + kraft paper + outer carton + Nylon bag B. Tube package + outer carton + Nylon bag C. Single box + outer carton + pallets D. According to your requirement
Q: Is your company a factory or a trading company? A: We have our own factory, our type is factory & trade.
Q: What is your company’s minimum order quantity? A: 1pc.
Q: Could you tell me the material of your bearing? A: We can provide you with chrome steel, stainless steel, ceramic and carbon steel.
Q: Can you affix my brand name (logo) on these products? A: Yes, we can customize it for you according to samples or drawings.
Q: Could you supply samples for free? A: Yes, We are honored to offer you samples for quality check, do you only need to pay for the freight?
Q: Could you offer door to door service? A: Yes.
Q: How long do I need to wait before my goods arrive? A: International express delivery takes 3-5days, 5-7 days for air transportation and 35-40 days for sea transportation.
Q: What payment methods do you accept? A: T/T, L/C.
How to Select: – Choose the bearing model or size. – Pricing adjusts according to the bearing size and quantity.
We are the factory that is willing to accompany with you to grow and develop together, we hope to establish a long-term cooperative relationship with you. And you are very welcome to contact me and visit our factory.
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.
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.
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.
Roller Bearing Feature Long-life with high quality Low-nosie with strict controlling the quality of Angular Contact Ball bearing High-load by the advanced high-technical design Competitive price, which has the most valuable OEM service offered, to meet the customers’requirements
Application Railway vehicle axle, motor, electrical appliances, machinery equipment, spindle, generators, grinding, extrusion machine, coal forming machine, roller mill neck and slow down devices, construction machinery
We will supply reliable quality and best price.
The Benefits of Spline Couplings for Disc Brake Mounting Interfaces
Spline couplings are commonly used for securing disc brake mounting interfaces. Spline couplings are often used in high-performance vehicles, aeronautics, and many other applications. However, the mechanical benefits of splines are not immediately obvious. Listed below are the benefits of spline couplings. We’ll discuss what these advantages mean for you. Read on to discover how these couplings work.
Disc brake mounting interfaces are splined
There are 2 common disc brake mounting interfaces – splined and six-bolt. Splined rotors fit on splined hubs; six-bolt rotors will need an adapter to fit on six-bolt hubs. The six-bolt method is easier to maintain and may be preferred by many cyclists. If you’re thinking of installing a disc brake system, it is important to know how to choose the right splined and center lock interfaces.
Aerospace applications
The splines used for spline coupling in aircraft are highly complex. While some previous researches have addressed the design of splines, few publications have tackled the problem of misaligned spline coupling. Nevertheless, the accurate results we obtained were obtained using dedicated simulation tools, which are not commercially available. Nevertheless, such tools can provide a useful reference for our approach. It would be beneficial if designers could use simple tools for evaluating contact pressure peaks. Our analytical approach makes it possible to find answers to such questions. The design of a spline coupling for aerospace applications must be accurate to minimize weight and prevent failure mechanisms. In addition to weight reduction, it is necessary to minimize fretting fatigue. The pressure distribution on the spline coupling teeth is a significant factor in determining its fretting fatigue. Therefore, we use analytical and experimental methods to examine the contact pressure distribution in the axial direction of spline couplings. The teeth of a spline coupling can be categorized by the type of engagement they provide. This study investigates the position of resultant contact forces in the teeth of a spline coupling when applied to pitch diameter. Using FEM models, numerical results are generated for nominal and parallel offset misalignments. The axial tooth profile determines the behavior of the coupling component and its ability to resist wear. Angular misalignment is also a concern, causing misalignment. In order to assess wear damage of a spline coupling, we must take into consideration the impact of fretting on the components. This wear is caused by relative motion between the teeth that engage them. The misalignment may be caused by vibrations, cyclical tooth deflection, or angular misalignment. The result of this analysis may help designers improve their spline coupling designs and develop improved performance. CZPT polyimide, an abrasion-resistant polymer, is a popular choice for high-temperature spline couplings. This material reduces friction and wear, provides a low friction surface, and has a low wear rate. Furthermore, it offers up to 50 times the life of metal on metal spline connections. For these reasons, it is important to choose the right material for your spline coupling.
High-performance vehicles
A spline coupler is a device used to connect splined shafts. A typical spline coupler resembles a short pipe with splines on either end. There are 2 basic types of spline coupling: single and dual spline. One type attaches to a drive shaft, while the other attaches to the gearbox. While spline couplings are typically used in racing, they’re also used for performance problems. The key challenge in spline couplings is to determine the optimal dimension of spline joints. This is difficult because no commercial codes allow the simulation of misaligned joints, which can destroy components. This article presents analytical approaches to estimating contact pressures in spline connections. The results are comparable with numerical approaches but require special codes to accurately model the coupling operation. This research highlights several important issues and aims to make the application of spline couplings in high-performance vehicles easier. The stiffness of spline assemblies can be calculated using tooth-like structures. Such splines can be incorporated into the spline joint to produce global stiffness for torsional vibration analysis. Bearing reactions are calculated for a certain level of misalignment. This information can be used to design bearing dimensions and correct misalignment. There are 3 types of spline couplings. Major diameter fit splines are made with tightly controlled outside diameters. This close fit provides concentricity transfer from the male to the female spline. The teeth of the male spline usually have chamfered tips and clearance with fillet radii. These splines are often manufactured from billet steel or aluminum. These materials are renowned for their strength and uniform grain created by the forging process. ANSI and DIN design manuals define classes of fit.
Disc brake mounting interfaces
A spline coupling for disc brake mounting interfaces is a type of hub-to-brake-disc mount. It is a highly durable coupling mechanism that reduces heat transfer from the disc to the axle hub. The mounting arrangement also isolates the axle hub from direct contact with the disc. It is also designed to minimize the amount of vehicle downtime and maintenance required to maintain proper alignment. Disc brakes typically have substantial metal-to-metal contact with axle hub splines. The discs are held in place on the hub by intermediate inserts. This metal-to-metal contact also aids in the transfer of brake heat from the brake disc to the axle hub. Spline coupling for disc brake mounting interfaces comprises a mounting ring that is either a threaded or non-threaded spline. During drag brake experiments, perforated friction blocks filled with various additive materials are introduced. The materials included include Cu-based powder metallurgy material, a composite material, and a Mn-Cu damping alloy. The filling material affects the braking interface’s wear behavior and friction-induced vibration characteristics. Different filling materials produce different types of wear debris and have different wear evolutions. They also differ in their surface morphology. Disc brake couplings are usually made of 2 different types. The plain and HD versions are interchangeable. The plain version is the simplest to install, while the HD version has multiple components. The two-piece couplings are often installed at the same time, but with different mounting interfaces. You should make sure to purchase the appropriate coupling for your vehicle. These interfaces are a vital component of your vehicle and must be installed correctly for proper operation. Disc brakes use disc-to-hub elements that help locate the forces and displace them to the rim. These elements are typically made of stainless steel, which increases the cost of manufacturing the disc brake mounting interface. Despite their benefits, however, the high braking force loads they endure are hard on the materials. Moreover, excessive heat transferred to the intermediate elements can adversely affect the fatigue life and long-term strength of the brake system.
Features Compact radial structure; More rolling contact surfaces and strong .
Product Description
Needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents stress peaks to extend bearing service life.Needle roller bearings are equipped with thin and long rollers, so the radial structure is compact.With the same inner diameter and load capacity as other types of bearings, its outer diameter is smallest, especially suitable for the support structure with limited radial installation size.
Needle roller bearings comprise machined outer rings, needle roller and cage assemblies and removable inner rings. Depending on the application, a bearing without an inner ring or a needle roller and cage assembly can be selected. In order to ensure the same load capacity and running performance as like the bearing with ring, the hardness, machining accuracy and surface quality of the raceway surface of the shaft or housing hole should be similar to the raceway of the bearing ring. This type of bearing can only bear radial loads.
Main applications:
Automobile transmission, gearbox, engine, valve train, direction and brake system, axle support, outboard engine, power tool, copy and fax machine, paper feeding equipment, etc.
Product Parameters
Bearings Number
Dimension(mm)
d
F
D
B
NA495
5
7
13
10
NA496
6
8
15
10
NA497
7
9
17
10
NA498
8
10
19
11
NA499
9
12
20
11
NA4900
10
14
22
13
NA4901
12
16
24
13
NA4902
15
20
28
13
NA4903
17
22
30
13
NA4904
20
25
37
17
NA49/22
22
28
39
17
NA4905
25
30
42
17
NA49/28
28
32
45
17
NA4906
30
35
47
17
NA49/32
32
40
52
20
NA4907
35
42
55
20
NA4908
40
48
62
22
NA4909
45
52
68
22
NA4910
50
58
72
22
NA4911
55
63
80
25
NA4912
60
68
85
25
NA4913
65
72
90
25
NA4914
70
80
100
30
NA4915
75
85
105
30
NA4916
80
90
110
30
NA4917
85
100
120
35
NA4918
90
105
125
35
NA4919
95
110
130
35
NA4920
100
115
140
40
NA4922
110
125
150
40
This parameter table is not complete, please contact us for details.
Company Profile
ZheJiang CZPT Machinery Co., Ltd, Xihu (West Lake) Dis. High-precision Bearings Co., Ltd belongs to CZPT group. It is located in Industrial Development Zone of Liao-cheng city, which is bearings manufacturing base in China. We have been specialized in the production of auto parts, bearings and retainers since year 1986.
Our factory covers an area of 120,000 sq.m, with a construction area of 66,000 sq.m. There are more than 600 employees, 50 management personnel, 80 technical engineers and 60 quality inspectors. We are famous manufacturer group for our strict quality control system and hard-working team.
There are more than 40 sets of high-precision mold processing equipment, 150 sets of various CNC lathes, 200 sets of white dynamic grinding machines, 120 sets of stamping equipment, 16 sets of special demagnetization machines, 10 sets of high-pressure spray cleaning machines, 6 sets ultrasonic cleaning machines and 6 automatic bearing grinding lines. They are also equipped with advanced hardness tester, length measuring instrument, sine instrument, spectrometer, infrared carbon and sulfur analyzer, CZPT hardness tester, roughness profiler, electronic tensile testing machine, metallographic microscope, projection coordinate instrument, roundness instrument, ABLT-2 life testing machine, three-coordinate testing machine and so on. We are ready to provide customers with high-quality precision bearing products.
Our company passed ISO9001, ISO/TS16949 and IATF16949 quality management system. Our products are CE / SGS certified. Through introducing world-leading technology and bring together domestic high-tech talents, it ensures our rapid growth and competitive advantages.
Sincerely wish you visit our factory!
FAQ
Q1: Do you provide samples? Is it free or extra?
Yes, we can provide a small amount of free samples. Do you mind paying the freight?
Q2: Can you accept OEM or non-standard Bearings ?
Any requirement for non-standard roller bearings is easily fulfilled by us due to our engineers’ rich experience.
Q3: What is your latest delivery time?
Most orders will be shipped within 7-15 days of payment received.
Q4:Does your company have quality assurance?
Yes, for 2 years.
Q5:Which payment method does your company support?
T/T is best, but we can also accept L/C.
Q6:How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, or account, we will contact you as soon as possible and provide the detailed information.
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.
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.
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.
Features Compact radial structure; More rolling contact surfaces and strong .
Product Description
Needle roller bearings are bearings with cylindrical rollers that are small in diameter relative to their length. The modified roller/raceway profile prevents stress peaks to extend bearing service life.Needle roller bearings are equipped with thin and long rollers, so the radial structure is compact.With the same inner diameter and load capacity as other types of bearings, its outer diameter is smallest, especially suitable for the support structure with limited radial installation size.
Needle roller bearings comprise machined outer rings, needle roller and cage assemblies and removable inner rings. Depending on the application, a bearing without an inner ring or a needle roller and cage assembly can be selected. In order to ensure the same load capacity and running performance as like the bearing with ring, the hardness, machining accuracy and surface quality of the raceway surface of the shaft or housing hole should be similar to the raceway of the bearing ring. This type of bearing can only bear radial loads.
Main applications:
Automobile transmission, gearbox, engine, valve train, direction and brake system, axle support, outboard engine, power tool, copy and fax machine, paper feeding equipment, etc.
Product Parameters
Bearings Number
Dimension(mm)
d
F
D
B
NA495
5
7
13
10
NA496
6
8
15
10
NA497
7
9
17
10
NA498
8
10
19
11
NA499
9
12
20
11
NA4900
10
14
22
13
NA4901
12
16
24
13
NA4902
15
20
28
13
NA4903
17
22
30
13
NA4904
20
25
37
17
NA49/22
22
28
39
17
NA4905
25
30
42
17
NA49/28
28
32
45
17
NA4906
30
35
47
17
NA49/32
32
40
52
20
NA4907
35
42
55
20
NA4908
40
48
62
22
NA4909
45
52
68
22
NA4910
50
58
72
22
NA4911
55
63
80
25
NA4912
60
68
85
25
NA4913
65
72
90
25
NA4914
70
80
100
30
NA4915
75
85
105
30
NA4916
80
90
110
30
NA4917
85
100
120
35
NA4918
90
105
125
35
NA4919
95
110
130
35
NA4920
100
115
140
40
NA4922
110
125
150
40
This parameter table is not complete, please contact us for details.
Company Profile
ZheJiang CZPT Machinery Co., Ltd, Xihu (West Lake) Dis. High-precision Bearings Co., Ltd belongs to CZPT group. It is located in Industrial Development Zone of Liao-cheng city, which is bearings manufacturing base in China. We have been specialized in the production of auto parts, bearings and retainers since year 1986.
Our factory covers an area of 120,000 sq.m, with a construction area of 66,000 sq.m. There are more than 600 employees, 50 management personnel, 80 technical engineers and 60 quality inspectors. We are famous manufacturer group for our strict quality control system and hard-working team.
There are more than 40 sets of high-precision mold processing equipment, 150 sets of various CNC lathes, 200 sets of white dynamic grinding machines, 120 sets of stamping equipment, 16 sets of special demagnetization machines, 10 sets of high-pressure spray cleaning machines, 6 sets ultrasonic cleaning machines and 6 automatic bearing grinding lines. They are also equipped with advanced hardness tester, length measuring instrument, sine instrument, spectrometer, infrared carbon and sulfur analyzer, CZPT hardness tester, roughness profiler, electronic tensile testing machine, metallographic microscope, projection coordinate instrument, roundness instrument, ABLT-2 life testing machine, three-coordinate testing machine and so on. We are ready to provide customers with high-quality precision bearing products.
Our company passed ISO9001, ISO/TS16949 and IATF16949 quality management system. Our products are CE / SGS certified. Through introducing world-leading technology and bring together domestic high-tech talents, it ensures our rapid growth and competitive advantages.
Sincerely wish you visit our factory!
FAQ
Q1: Do you provide samples? Is it free or extra?
Yes, we can provide a small amount of free samples. Do you mind paying the freight?
Q2: Can you accept OEM or non-standard Bearings ?
Any requirement for non-standard roller bearings is easily fulfilled by us due to our engineers’ rich experience.
Q3: What is your latest delivery time?
Most orders will be shipped within 7-15 days of payment received.
Q4:Does your company have quality assurance?
Yes, for 2 years.
Q5:Which payment method does your company support?
T/T is best, but we can also accept L/C.
Q6:How to contact us quickly?
Please send us an inquiry or message and leave your other contact information, such as phone number, or account, we will contact you as soon as possible and provide the detailed information.
Standard Length Splined Shafts
Standard Length Splined Shafts are made from Mild Steel and are perfect for most repair jobs, custom machinery building, and many other applications. All stock splined shafts are 2-3/4 inches in length, and full splines are available in any length, with additional materials and working lengths available upon request and quotation. CZPT Manufacturing Company is proud to offer these standard length shafts.
Disc brake mounting interfaces that are splined
There are 2 common disc brake mounting interfaces, splined and center lock. Disc brakes with splined interfaces are more common. They are usually easier to install. The center lock system requires a tool to remove the locking ring on the disc hub. Six-bolt rotors are easier to install and require only 6 bolts. The center lock system is commonly used with performance road bikes. Post mount disc brakes require a post mount adapter, while flat mount disc brakes do not. Post mount adapters are more common and are used for carbon mountain bikes, while flat mount interfaces are becoming the norm on road and gravel bikes. All disc brake adapters are adjustable for rotor size, though. Road bikes usually use 160mm rotors while mountain bikes use rotors that are 180mm or 200mm.
Disc brake mounting interfaces that are helical splined
A helical splined disc brake mounting interface is designed with a splined connection between the hub and brake disc. This splined connection allows for a relatively large amount of radial and rotational displacement between the disc and hub. A loosely splined interface can cause a rattling noise due to the movement of the disc in relation to the hub. The splines on the brake disc and hub are connected via an air gap. The air gap helps reduce heat conduction from the brake disc to the hub. The present invention addresses problems of noise, heat, and retraction of brake discs at the release of the brake. It also addresses issues with skewing and dragging. If you’re unsure whether this type of mounting interface is right for you, consult your mechanic. Disc brake mounting interfaces that are helix-splined may be used in conjunction with other components of a wheel. They are particularly useful in disc brake mounting interfaces for hub-to-hub assemblies. The spacer elements, which are preferably located circumferentially, provide substantially the same function no matter how the brake disc rotates. Preferably, 3 spacer elements are located around the brake disc. Each of these spacer elements has equal clearance between the splines of the brake disc and the hub. Spacer elements 6 include a helical spring portion 6.1 and extensions in tangential directions that terminate in hooks 6.4. These hooks abut against the brake disc 1 in both directions. The helical spring portion 5.1 and 6.1 have stiffness enough to absorb radial impacts. The spacer elements are arranged around the circumference of the intermeshing zone. A helical splined disc mount includes a stabilizing element formed as a helical spring. The helical spring extends to the disc’s splines and teeth. The ends of the extension extend in opposite directions, while brackets at each end engage with the disc’s splines and teeth. This stabilizing element is positioned axially over the disc’s width. Helical splined disc brake mounting interfaces are popular in bicycles and road bicycles. They’re a reliable, durable way to mount your brakes. Splines are widely used in aerospace, and have a higher fatigue life and reliability. The interfaces between the splined disc brake and BB spindle are made from aluminum and acetate. As the splined hub mounts the disc in a helical fashion, the spring wire and disc 2 will be positioned in close contact. As the spring wire contacts the disc, it creates friction forces that are evenly distributed throughout the disc. This allows for a wide range of axial motion. Disc brake mounting interfaces that are helical splined have higher strength and stiffness than their counterparts. Disc brake mounting interfaces that are helically splined can have a wide range of splined surfaces. The splined surfaces are the most common type of disc brake mounting interfaces. They are typically made of stainless steel or aluminum and can be used for a variety of applications. However, a splined disc mount will not support a disc with an oversized brake caliper.
Fak China Distributor High Precision Excavator Bearing 184ba-2251 T2ED0 Angular Contact Ball Bearing/CNC Machine Tool Spindle Bearing/Cylindrical Roller Bearing
Product Description
The self-aligning roller bearing has a double row of rollers, and the outer ring has a common spherical raceway, and the inner ring has 2 raceways and is inclined to an Angle relative to the bearing axis.This ingenious structure enables it to have automatic self-aligning performance, so it is not susceptible to the influence of the Angle between the shaft and the bearing box seat on the error or shaft bending. It is suitable for the occasion of Angle error caused by the installation error or shaft deflection.In addition to the radial load, the bearing can also bear the axial load of bidirectional action.
Product name
Self-Aligning Roller Bearing
Material
Chrome Steel GCr15
Bearing Package
allet,wooden case,commercial packaging or as customers’ requirement.
Service
OEM service provided
Delivery time
3-10 days depends on quantity needed
Features and Benefits: (1)It can compensate the coaxiality error and realize automatic alignment. (2) It can bear radial load and axial load, and has good impact resistance. (3) Long service life. (4) Good anti vibration performance. (5) The double row self-aligning roller bearing with tightening sleeve can be installed at any position of the optical shaft without machining the locating shoulder Applications: Crusher Vibrating screen Reduction gear Axles Rolling mill Printing machinery Woodworking machinery Paper manufacturing machinery
Principal dimension
Basic load ratings
Speed ratings
mm
mm
Designation
rpm
d
D
B
rmin
dyc
stc
Grease
Oil
Cr
Cor
200
310
82
2.1
770
1560
23040CAK
1200
1600
200
310
82
2.1
770
1560
23040CA 23040CA/W33
1200
1600
190
290
75
2.1
700
1450
23038CAK 23038CAKF3/W33
1300
1700
190
290
75
2.1
700
1450
23038CAF3
1300
1700
190
290
75
2.1
700
1450
23038CA 23038CA/W33
1300
1700
190
290
75
2.1
700
1450
23038C
1300
1700
180
280
74
2.1
630
1280
23036CAF3
1400
1800
180
280
74
2.1
630
1280
23036CA 23036CA/W33
1400
1800
170
260
67
2.1
555
1090
23034CAF3 23034CAK
1600
2000
170
260
67
2.1
555
1090
23034CA 23034CA/W33
1600
2000
170
260
67
2.1
555
1090
23034C 23034CK
1600
2000
160
240
60
2.1
445
875
23032CAF3
1700
2200
160
240
60
2.1
445
875
23032CA 23032CA/W33
1700
2200
160
240
60
2.1
445
875
23032C 23032CK
1700
2200
150
225
56
2.1
400
795
23030CAF3
1700
2200
150
225
56
2.1
400
795
23030CA 23030CA/W33
1700
2200
150
225
56
2.1
400
795
23030C 23030CK
1700
2200
140
210
53
2
363
706
23571CAK 23571CAKF3
1800
2400
140
210
53
2
363
706
23571CAF3
1800
2400
140
210
53
2
363
706
23571CA 23571CA/W33
1800
2400
130
200
52
2
340
350
23026CAKF3 23026CAKF3/W33
1900
2600
130
200
52
2
340
350
23026CAK
1900
2600
130
200
52
2
340
350
23026CAF3 23026CAF3/W33
1900
2600
130
200
52
2
340
350
23026CA 23026CA/W33
1900
2600
120
180
46
2
263
495
23571CK
2000
2800
120
180
46
2
263
495
23571CAK
2000
2800
120
180
46
2
263
495
23571CA 23571CA/W33
2000
2800
120
180
46
2
263
495
23571C 23571CC
2000
2800
110
170
45
2
253
460
23571CAF3 23571CAF3/W33
2200
3000
110
170
45
2
253
460
23571CA 23571CA/W33
2200
3000
100
150
37
1.5
23571CA
2000
2800
200
420
138
5
1740
2860
22340CAK 22340CAK/W33
850
1100
200
420
138
5
1740
2860
22340CA 22340CAF3
850
1100
190
400
132
5
1640
2630
22338CAF3
850
1100
190
400
132
5
1640
2630
22338CA 22338CA/W33
850
1100
190
400
132
5
1640
2630
22338C
850
1100
180
380
126
4
1470
2400
22336CAF3/W33 22336CAK
900
1200
180
380
126
4
1470
2400
22336CA 22336CA/W33
900
1200
170
360
120
4
1320
2120
22334CA 22334CA/W33
950
1300
170
360
120
4
1320
2120
22334C/YA7
950
1300
160
340
114
4
1270
2050
22332CAKF3/W33
950
1300
160
340
114
4
1270
2050
22332CAF3 22332CAF3/W33
950
1300
160
340
114
4
1270
2050
22332CA 22332CAK
950
1300
160
340
114
4
1270
2050
22332C
950
1300
150
320
108
4
1120
1810
22330CAK 22330CAKF3
1000
1400
150
320
108
4
1120
1810
22330CA 22330CA/W33
1000
1400
140
300
102
4
1210
1950
22328CAK 22328CAK/W33
1100
1500
140
300
102
4
1210
1950
22328CAF3 22328CAQ1/HA
1100
1500
140
300
102
4
1210
1950
22328CA 22328CA/W33
1100
1500
140
300
102
3.7
1210
1950
22328C
1100
1500
130
280
93
4
965
1500
22326CAQ1/HA
1300
1700
130
280
93
4
840
1300
22326CAK 22326CAK/W33
1300
1700
130
280
93
4
840
1300
22326CAF3 22326CAF3/W33
1300
1700
130
280
93
4
840
1300
22326CA 22326CA/W33
1300
1700
120
260
86
3
720
1100
22324CAKF3 22324CAKF3/W33
1400
1800
120
260
86
3
720
1100
22324CAF3 22324CAK
1400
1800
120
260
86
3
720
1100
22324CA 22324CA/W33
1400
1800
120
260
86
3
780
1160
22324C 22324CK
1400
1800
110
240
80
3
630
955
22322CAK 22322CAK/W33
1600
2000
110
240
80
3
630
955
22322CAF3 22322CAKF3
1600
2000
110
240
80
3
630
955
22322CA 22322CA/W33
1600
2000
110
240
80
3
630
955
22322C 22322CK
1600
2000
100
215
73
3
540
815
22320CAK 22320CAK/W33
1700
2200
100
215
73
3
540
815
22320CAF3 22320CAKF3
1700
2200
100
215
73
3
540
815
22320CA 22320CA/W33
1700
2200
100
215
73
3
540
815
22320C 22320CK
1700
2200
95
200
67
3
465
685
22319CK
1800
2400
95
200
67
3
465
685
22319CAKF3 22319CAKF3/W33
1800
2400
95
200
67
3
465
685
22319CAF3 22319CAK
1800
2400
95
200
67
3
465
685
22319CA 22319CA/W33
1800
2400
95
200
67
3
465
685
22319C 22319C/W33
1800
2400
90
190
64
3
420
625
22318CAK 22318CAK/W33
1800
2400
90
190
64
3
420
625
22318CAF3 22318CAKF3
1800
2400
90
190
64
3
420
625
22318CA 22318CA/W33
1800
2400
90
190
64
3
420
625
22318C 22318CK
1800
2400
85
180
60
3
355
505
22317CAKF3 22317CAKF3/W33
1900
2600
85
180
60
3
355
505
22317CAK 22317CAK/W33
1900
2600
85
180
60
3
355
505
22317CAF3
1900
2600
85
180
60
3
355
505
22317CA 22317CA/W33
1900
2600
Company Profile
Founded in 2006, ZheJiang XUANYE Precision Machinery Co., Ltd. covers an area of 88,850 square meters. Now the company has fixed assets over several hundred millions and in-service employees 500. As a late-model that incorporates research and development, manufacture as well as sales, the annual output of the company reaches to 3 million sets of bearings and its annual output value is more than 28 million yuan. The company has strong technical force, excellent equipment and complete testing instruments. At present, the company has more than 400 sets of professional production equipment, 9 production lines of numerical control turning, 5 production lines of atmosphere-protecting automatic heat treating and 12 production lines of precision grinding. In addition, it has a professional calibrating and measuring center and more than 300 sets of detecting instruments. All of its products are under the inspection of National Quality Supervision and Inspection Center for Bearing. The company has a state-level enterprise technology center and a number of provincial high-tech enterprises with strong technical strength. The company’s own brand “FAK” was honored as the most competitive brand in the market. “Customers first and reputation first” are the permanent vision of XUANYE. We would like to serve the customers around the world with our trustworthy products, reasonable price and attentive service. The leading products of the company cover 3 main categories which include more than 8,000 types of bearing products.
Our Advantages
1. World-Class Bearing: We provide our customers with all types of indigenous bearing with world-class quality.
2. OEM or Non-Stand Bearings: Any requirement for Nonstandard bearings is Easily Fulfilled by us due to its vast knowledge and links in the industry. 3. Genuine products With Excellent Quality: The company has always proved the 100% quality products it provides with genuine intent. 4. After Sales Service and Technical Assistance: The company provides after-sales service and technical assistance as per the customer’s requirements and needs. 5. Quick Delivery: The company provides just-in-time delivery with its streamlined supply chain.
SAMPLES 1. Samples quantity: 1-10 PCS are available. 2. Free samples:It depends on the Model No., material and quantity. Some of the bearings samples need client to pay samples charge and shipping cost. 3. It’s better to start your order with Trade Assurance to get full protection for your samples order.
CUSTOMIZED The customized LOGO or drawing is acceptable for us.
MOQ 1. MOQ:10 PCS standard bearings. 2. MOQ: 1000 PCS customized your brand bearings.
OEM POLICY 1. We can printing your brand (logo, artwork)on the shield or laser engraving your brand on the shield. 2. We can custom your packaging according to your design 3. All copyright own by clients and we promised don’t disclose any info.
FAQ
1.What is the minimum order quantity for this product? Can be negotiated, we will try our best to meet customer needs.Our company is mainly based on wholesale sales, most customers’orders are more than 1 ton.
2.What is your latest delivery time? Most orders will be shipped within 3-10 days of payment being received.
3.Does your company have quality assurance? Yes, for 2 years.
4.What is the competitiveness of your company’s products compared to other companies? High precision, high speed, low noise.
5.What are the advantages of your company’s services compared to other companies? Answer questions online 24 hours a day, reply in a timely manner, and provide various documents required by customers for customs clearance or sales. 100% after-sales service.
6.Which payment method does your company support? Do our best to meet customer needs, negotiable.
7.How to contact us quickly? Please send us an inquiry or message and leave your other contact information, such as phone number, account or account, we will contact you as soon as possible and provide the detailed information you need.
Please feel free to contact us, if you have any other question
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.
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.
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.
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.
The outer ring has 2 integral flanges and the inner ring 1 integral flange. The bearings are therefore suitable for the axial location of a shaft in 1 direction.
Cylindrical roller bearings are widely used in the bearing of gearbox, CZPT of rear axle bevel gear in a car and all kinds of engineering equipment. Roller and rolling way contact with a streamline that makes radial bearing capacity great. Those whose external and internal rings without a board (type of NU, N) cannot support the axial load, while those with a board (type of NJ, NUP) can support the axial load to a certain extent.
There is a line contact between cylindrical roller and roller path, while the radcat liad capacity is great, so these products not only apply to heavy load and shock load, but also apply to high-speed rotation. The N and NU types can realize axial movements, which apply to changes of axle and casing relative positions resulting from thermal expansion or installation error. The most suitable free end bearings: NJand NFtypes, can withstand a certain degree of axial load; NH and NUPtypes can withstand a cartain dagree ofbi-directional axial load, and their innar or outer rings ara detachable for easvassambly and disassembly. NNU and NN types, strong rigidity to radial load, are mostly used for spindles of machine tools. Main Applications: Medium and large motors, generators, internal combustion engines, gas turbines, machine tool spindles, graduating devices, handling machinery, various industrial machineries. Band: SKF, TIMKEN, NSK, NTN, IKO, NACHI The company will continue to adhere the business philosophy sincere cooperation, CZPT management, genuine goods at fair prices, and excellent service, and depend on scientific inventory management and perfect after-sale service to seek for closer and lasting partnership with new and old customers. Therefore, the company will surely achieve quick and stable development through the tireless efforts and enterprising spirit of staff as well as the support and encouragement of more and more customers.
1. N type
2. NCL type
3. NF type
4. NJ type
5. NU type
6. NUP type
NJ1030
NJ1571
NJ1026
NJ1571
NJ1571
NJ1571
NJ1571
NJ1017
NJ1018
NJ1019
NJ1014
NJ1015
NJ1016
NJ1011
NJ1012
NJ1013
NJ1008
NJ1009
NJ1571
NJ1005
NJ1006
NJ1007
NJ204E
NJ205E
NJ206E
NJ207E
NJ208
NJ209
NJ210
NJ211
NJ212
NJ213
NJ214
NJ215
NJ216
NJ217
NJ218
NJ219
NJ220
NJ221
NJ222
NJ224
NJ226
NJ228
NJ230
NJ224E
NJ222E
NJ2230
NJ2228
NJ2224
NJ2226
NJ2222
NJ2219
NJ2220
NJ2218
NJ2216
NJ2217
NJ2215
NJ2213
NJ2214
NJ2212
NJ2210
NJ2211
NJ2209
NJ220E
NJ2207E
NJ2208
NJ2204E
NJ2205E
NJ2206E
NJ304E
NJ305E
NJ306E
NJ307E
NJ308
NJ309
NJ310
NJ311
NJ312
NJ313
NJ314
NJ315
NJ316
NJ317
NJ318
NJ319
NJ320
NJ321
NJ322
NJ324
NJ326
NJ328
NJ330
NJ2304E
NJ2305E
NJ2306E
NJ2307E
NJ2308
NJ2309
NJ2310
NJ2311
NJ2312
NJ2313
NJ2314
NJ2315
NJ2316
NJ2317
NJ2318
NJ2319
NJ2320
NJ2322
NJ2324
NJ2326
NJ2326E
NJ2328
Bearing No.
NU
NJ
NUP
N
NF
NU202
NJ 202
NUP203
—
—
NU203
NJ 203
NUP203
N203
NF203
NU2203E
NJ2203E
NU204
NJ204
NUP204
N204
NF204
NU204E
NJ204E
NUP204E
—
—
NU2204
NJ2204
NUP2204
N2204
—
NU2204E
NJ2204E
NUP2204E
N304
—
NU304
NJ30
NUP304
—
NF304
NU304E
NJ304E
NUP304E
N2304
—
NU2304
NJ2304
NUP2304
—
—
NU2304E
NJ2304E
NUP2304E
N1005
—
NU1005
NJ1005
NUP1005
N205
—
NU205
NJ205
NUP205
—
NF205
NU205E
NJ205E
NUP205E
N2205
—
NU2205
NJ2205
NUP2205
—
—
NU2205E
NJ2205E
NUP2205E
N305
—
NU305
NJ305
NUP305
—
NF305
NU305E
NJ305E
NUP305E
N2305
—
NU2305
NJ2305
NUP2305
—
—
NU2305E
NJ2305E
NUP2305E
N405
—
NU405
NJ405
NUP405
N1006
NF405
NU1006
NJ1006
NUP1006
N206
—
NU206
NJ206
NUP206
—
NF206
NU206E
NJ206E
NUP206E
N2206
—
NU2206
NJ2206
NUP2206
—
—
NU2206E
NJ2206E
NUP2206E
—
—
NU306
NJ306
NUP306
N306
NF306
NU306E
NJ306E
NUP306E
N2306
—
NU2306
NJ2306
NUP2306
—
—
NU2306E
NJ2306E
NUP2306E
—
—
NU1007
NJ1007
NUP1007
N1007
NU406
NJ406
NUP406
N406
NF406
NU207
NJ207
NUP207
—
NF207
NU207E
NJ207E
NUP207E
N2207
—
NU2207
NJ2207
NUP2207
—
—
NU2207E
NJ2207E
NUP2207E
N307
—
NU307
NJ307
NUPP307
—
NF307
NU307E
NJ307E
NUP307E
N2307
—
NU2307
NJ2307
NUP2307
—
—
NU2307E
NJ2307E
NUP2307E
N407
—
NU407
NJ407
NUP407
—
NF407
NU1008
NJ1008
NUP1008
N1008
—
NU208
NJ208
NUP208
N208
NF208
NU208E
NJ208E
NUP208E
—
—
NU2208
NJ2208
NUP2208
N2208
—
NU2208E
NJ2208E
NUP2208E
—
—
NU308
NJ308
NUP308
N308
NF308
NU308E
NJ308E
NUP308E
—
—
NU2308
NJ2308
NUP2308
N2308
—
NU2308E
NJ2308E
NUP2308E
—
—
NU408
NJ408
NUP408
N408
NF408
NU1009
NJ1009
NUP1009
N1009
—
NU209
NJ209
NUP209
N209
NF209
NU209E
NJ209E
NUP209E
—
—
NU2209
NJ2209
NUP2209
N2209
—
NU2209E
NJ2209E
NUP2209E
—
—
NU309
NJ309
NUP309
N309
NF309
NU309E
NJ309E
NUP309E
—
—
NU2309
NJ2309
NUP2309
N2309
—
NU2309E
NJ2309E
NUP2309E
—
—
NU409
NJ409
NUP409
N409
NF409
NU1571
NJ1571
NUP1571
N1571
—
NU210
NJ210
NUP210
N210
NF210
NU210E
NJ210E
NUP210E
—
—
NU2210
NJ2210
NUP2210
N2210
—
NU2210E
NJ2210E
NUP2210E
—
—
NU310
NJ310
NUP310
N310
NF310
NU310E
NJ310E
NUP310E
—
—
NU2310
NJ2310
NUP2310
N2310
—
NU2310E
NJ2310E
NUP2310E
—
—
NU410
NJ410
NUP410
N410
NF411
NU1011
NJ1011
NUP1011
N1011
—
NU211
NJ211
NUP211
N211
NF211
NU211E
NJ211E
NUP211E
—
—
NU2211
NJ2211
NUP2211
N2211
—
NU2211E
NJ2211E
NUP2211E
—
—
NU311
NJ311
NUP311
N311
NF311
NU311E
NJ311E
NUP311E
—
—
NU2311
NJ2311
NUP2311
N2311
—
NU2311E
NJ2311E
NUP2311E
—
—
NU411
NJ411
NUP411
N411
NF411
NU1012
NJ1012
NUP1012
N1012
—
NU212
NJ212
NUP212
N212
NF212
NU212E
NJ212E
NUP212E
—
—
NU2212
NJ2212
NUP2212
N2212
—
NU2212E
NJ2212E
NUP2212E
—
—
NU312
NJ312
NUP312
N312
NF312
NU312E
NJ312E
NUP312E
—
—
NU2312
NJ2312
NUP2312
N2312
—
NU2312E
NJ2312E
NUP2312E
—
—
NU412
NJ412
NUP412
N412
NF412
NU1013
NJ1013
NUP1013
N1013
—
NU213
NJ213
NUP213
N213
NF213
NU213E
NJ213E
NUP213E
—
—
NU2213
NJ2213
NUP2213
N2213
—
NU2213E
NJ2213E
NUP2213E
—
—
NU313
NJ313
NUP313
N313
NF313
NU313E
NJ313E
NUP313E
—
—
NU2313
NJ2313
NUP2313
N2313
—
NU2313E
NJ2313E
NUP2313E
—
—
NU413
NJ413
NUP413
N413
NF413
NU1014
NJ1014
NUP1014
N1014
—
NU214
NJ214
NUP214
N214
NF214
NU214E
NJ214E
NUP214E
—
—
NU2214
NJ2214
NUP2214
N2214
—
NU2214E
NJ2214E
NUP2214E
—
—
NU314
NJ314
NUP314
N314
NF314
NU314E
NJ314E
NUP314E
—
—
NU2314
NJ2314
NUP2314
N2314
—
NU2314E
NJ2314E
NUP2314E
—
—
NU414
NJ414
NUP414
N414
NF414
NU1015
NJ1015
NUP1015
N1015
—
NU215
NJ215
NUP215
N215
NF215
NU215E
NJ215E
NUP215E
—
—
NU2215
NJ2215
NUP2215
N2215
—
NU2215E
NJ2215E
NUP2215E
—
—
NU315
NJ315
NUP315
N315
NF315
NU315E
NJ315E
NUP315E
—
—
NU2315
NJ2315
NUP2315
N2315
—
NU2315E
NJ2315E
NUP2315E
—
—
NU415
NJ415
NUP415
N415
NF415
NU1016
NJ1016
NUP1016
N1016
—
NU216
NJ216
NUP216
N216
NF216
NU216E
NJ216E
NUP216E
—
—
NU2216
NJ2216
NUP2216
N2216
—
NU2216E
NJ2216E
NUP2216E
—
—
NU316
NJ316
NUP316
N316
NF316
NU316E
NJ316E
NUP316E
—
—
NU2316
NJ2316
NUP2316
N2316
—
NU2316E
NJ2316E
NUP2316E
—
—
NU416
NJ416
NUP416
N416
NF416
NU1017
NJ1017
NUP1017
N1017
—
NU217
NJ217
NUP217
N217
NF217
NU217E
NJ217E
NUP217E
—
—
NU2217
NJ2217
NUP2217
N2217
—
NU2217E
NJ2217E
NUP2217E
—
—
NU317
NJ317
NUP317
N317
NF317
NU317E
NJ317E
NUP317E
—
—
NU2317
NJ2317
NUP2317
N2317
—
NU2317E
NJ2317E
NUP2317E
—
—
NU417
NJ417
NUP417
N417
NF417
NU1018
NJ1018
NUP1018
N1018
—
NU218
NJ218
NUP218
N218
NF218
NU218E
NJ218E
NUP218E
—
—
NU2218
NJ2218
NUP2218
N2218
—
NU2218E
NJ2218E
NUP2218E
—
—
NU318
NJ318
NUP318
N318
NF318
NU318E
NJ318E
NUP318E
—
—
NU2318
NJ2318
NUP2318
N2318
—
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.
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.
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.
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.
