Quick Details Model Number: LZ3200G Bore Size: 19 mm Outside Diameter: 32 mm Precision Rating: ABEC 1 3 5 7 9 Seals Type: Open Number of Row: Single Row Material: Bearing steel chrome steel Gcr15 Lubrication: Oil or grease Weight: 0.06kg Application: Main used in textile machines
Specifications LZ3200G bearings 1. Gcr15 material 2. Support high loads 3. Suitable for machinery 4. ISO: 9001: 2000
Descriptions Bottom Roller Bearing: – Used for supporting bottom roller in ring spinning frames & speed frames of textile industries. Every bearing is ground to strict quality norms which ensures accurate running of the bearing. With ‘m’section nylon cage. The rollers of these bearings are of spherical shape, and the spherical raceway surface of the housing washer is selfaligned. These bearings are featured by the extremely big anxial load carrying capacity and meanwhile they can also take certain radial load. Oil lubrication is commonly used while working. Applications of these bearings can be found in hydroelectric generators, vertical motors, propeller axle of vessels, tower cranes and squeezing presses Bottom roller bearings are needle roller bearings that support the bottom rollers(fluted rollers) on fine spinning machines, roving frames or drawing frames.
1 OEM serive and design for free 2 Excellent quality and competitive price 3 Low noise and vibration Needle Roller Bearing for Textile Machine Part spindle Bolster. Series: LZ16.5A, LZ16.5B, LZ2822, LZ3200, LZ3224, LZ3624, LZ3626, LZ22, LZZ5, LZ2610 Material: Gcr15
Bearing Structure: Tilting-Pad Bearing Lubricating Way: Sequential Fuel Control Lubricant & Load: Aerostatic Bearing Bushing Material: Oil-Impregnated Bearing Lubricating Film Thickness: Thin Film Lubrication Type of Lubricant: Electromagnetic Bearing Bearing Direction: Radial
LZ2822
TEXZ205
LZ16.5
TEXZ232
LZ3224
19169
LZ3624
14782
LZ4571
2B-18-3S
LZ22
2B-19-3S
LZ25
417
LZ19
2610
LZ3200G
21106
LZ2340
LZ1932
LZ1936
3224
LZ1940
3624
421
22
422
25
ZZ2-70
7871
28421
2822
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.
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.
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.
Quick Details Model Number: LZ1940 Bore Size: 19 – 29 mm Outside Diameter: 28 – 47 mm Thickness: 22mm Precision Rating: ABEC 1 3 5 7 9 Seals Type: Open Number of Row: Single Row Material: Bearing steel chrome steel Gcr15 Lubrication: Oil or grease Application: Main used in textile machines
Specifications 1. LZ1940Textile Spinning Machine Bearings LZ1940Bottom Roller Bearings 2. 100% Manufacture 3. High quality 4. Best service
Descriptions Bottom Roller Bearing: – Used for supporting bottom roller in ring spinning frames & speed frames of textile industries. Every bearing is ground to strict quality norms which ensures accurate running of the bearing. With ‘m’section nylon cage. The rollers of these bearings are of spherical shape, and the spherical raceway surface of the housing washer is selfaligned. These bearings are featured by the extremely big anxial load carrying capacity and meanwhile they can also take certain radial load. Oil lubrication is commonly used while working. Applications of these bearings can be found in hydroelectric generators, vertical motors, propeller axle of vessels, tower cranes and squeezing presses Bottom roller bearings are needle roller bearings that support the bottom rollers(fluted rollers) on fine spinning machines, roving frames or drawing frames.
1 OEM serive and design for free 2 Excellent quality and competitive price 3 Low noise and vibration Needle Roller Bearing for Textile Machine Part spindle Bolster. Series: LZ16.5A, LZ16.5B, LZ2822, LZ3200, LZ3224, LZ3624, LZ3626, LZ22, LZZ5, LZ2610 Material: Gcr15
Bearing Structure: Tilting-Pad Bearing Lubricating Way: Sequential Fuel Control Lubricant & Load: Aerostatic Bearing Bushing Material: Oil-Impregnated Bearing Lubricating Film Thickness: Thin Film Lubrication Type of Lubricant: Electromagnetic Bearing Bearing Direction: Radial
LZ2822
TEXZ205
LZ16.5
TEXZ232
LZ3224
19169
LZ3624
14782
LZ4571
2B-18-3S
LZ22
2B-19-3S
LZ25
417
LZ19
2610
LZ3200G
21106
LZ2340
LZ1932
LZ1936
3224
LZ1940
3624
421
22
422
25
ZZ2-70
7871
28421
2822
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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.
bottom roller bearing for textile machine UL28-00571
Bottom Roller Bearing: – Used for supporting bottom roller in ring spinning frames & speed frames of textile industries. Every bearing is ground to strict quality norms which ensures accurate running of the bearing. With ‘m’section nylon cage. The rollers of these bearings are of spherical shape, and the spherical raceway surface of the housing washer is selfaligned. These bearings are featured by the extremely big anxial load carrying capacity and meanwhile they can also take certain radial load. Oil lubrication is commonly used while working. Applications of these bearings can be found in hydroelectric generators, vertical motors, propeller axle of vessels, tower cranes and squeezing presses Bottom roller bearings are needle roller bearings that support the bottom rollers(fluted rollers) on fine spinning machines, roving frames or drawing frames. Needle Roller Bearing for Textile Machine Part spindle Bolster. Series: LZ16.5A, LZ16.5B, LZ2822, LZ3200, LZ3224, LZ3624, LZ3626, LZ22, LZZ5, LZ2610. LZ2800 LZ2822 LZ3200 LZ3224 LZ3226 LZ3600 LZ3624 LZ3626 LZ4000 LZ4571, LZ16.5 LZ19 LZ19 LZ22 LZ25
Model numbers of bottom roller bearings
Model No
D(mm)
d(mm)
B(mm)
C(mm)
Weight(KG)
LZ2800
28
16.5
19
22
0.06
LZ2822
28
16.5
19
22
0.06
LZ2822E
28
16.5
19
23
0.061
LZ3200
32
19
20
23
0.082
LZ3224
32
19
20
23
0.082
LZ3224E
32
19
20
24
0.082
LZ3226
32
19
20
23
0.082
LZ3600
36
21
22
25
0.119
LZ3624
36
21
22
25
0.119
LZ3626
36
21
22
25
0.119
LZ4000
40
23
23.5
27
0.160
LZ4571
40
23
23.5
27
0.160
LZ16.5
30
16.5
19
23
0.170
LZ19
36
19
22
26
0.116
LZ22
42
22
23
27
0.160
LZ25
47
25
25
29
0.218
Bearing Direction: Radial
LZ2822
TEXZ205
LZ16.5
TEXZ232
LZ3224
19169
LZ3624
14782
LZ4571
2B-18-3S
LZ22
2B-19-3S
LZ25
417
LZ19
2610
LZ3200G
21106
LZ2340
LZ1932
LZ1936
3224
LZ1940
3624
421
22
422
25
ZZ2-70
7871
28421
2822
The Functions of Splined Shaft Bearings
Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.
Functions
Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used. Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons. A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member. While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue. A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
Types
There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness. Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications. In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them. Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft. Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
Manufacturing methods
There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness. Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings. Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts. Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface. Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment. A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
Applications
The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish. Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart. Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion. Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result! There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.
