China manufacturer Cardan Shaft, Universal Coupling for Skew Rolling Mill

Product Description

Who we are?
HangZhou XIHU (WEST LAKE) DIS. CARDANSHAFT CO;LTD has 15 years history.When the general manager Mr.Rony Du graduated from the university,he always concentrated his attention on the research and development,production and sales of the cardan shaft.Mr.Rony Du and his team started from scratch,from 1 lathe and a very small order,step by step to grow up.He often said to his team”We will only do 1 thing well——to make the perfect cardan shaft”.

HangZhou XIHU (WEST LAKE) DIS. CARDANSHAFT CO.,LTD was founded in 2005.The registered capital is 8 million ,covers an area of 15 acres, has 30 existing staff. The company specializing in the production of SWC, SWP cross universal coupling and drum tooth coupling.The company with factory is located in the beautiful coast of Tai Lake –Hudai (HangZhou Economic Development Zone Hudai Industrial Park).
In order to become China’s leading cardan shaft one-stop solution expert supplier .XIHU (WEST LAKE) DIS. CARDANSHAFT independent research and development of SWC light, medium, short, heavy Designs cardan shaft have reached the leading domestic level.Products not only supporting domestic large and medium-sized customers, but also exported to the United States, India, Vietnam, Laos, Ukraine, Russia, Germany, Britain and other countries and areas.In the past 15 years, the company has accumulated a wealth of experience, learn from foreign advanced technology, and to absorb and use the universal axis has been improved several times, so that the structure is maturing, significantly improved performance.

XIHU (WEST LAKE) DIS. belief: “Continuous innovation, optimize the structure, perseverance” to create a high quality of outstanding cardan shaft manufacturer.We always adhere to the ISO9001 quality control system, from the details to start, standardize the production process, and to achieve processing equipment “specialization, numerical control” rapid increase in product quality.This Not only won the majority of customers reputation, but also access to peer recognition. We continue to strive to pursue: “for customers to create the greatest value, for the staff to build the best platform”, will be able to achieve customer and business mutually beneficial CHINAMFG situation.

                                

Why choose us?
First,select raw material carefully
 
  The cross is the core component of cardan shaft,so the selection of material is particularly critical.Raw materials of the cross for light Duty Size and Medium Duty Size,we choose the 20CrMnTi special gear steel bar from SHAGANG GROUP.Being forged in 2500 ton friction press to ensure internal metallurgical structure,inspecting the geometric dimensions of each part to meet the drawing requirements,then transfer to machining,the processes of milling, turning, quenching and grinding.
 
The inspector will screen blank yoke head.The porosity, cracks, slag, etc. do not meet the requirements of the casting foundry are all eliminated,then doing physical and chemical analysis, to see whether the ingredients meet the requirements, unqualified re-elimination.And then transferred to the quenching and tempering heat treatment, once again check the hardness to see if meet the requirements, qualified to be transferred to the machining process. We control from the source of the material to ensure the supply of raw materials qualified rate of 99%.
 
  
 Second,advanced production equipment
 
XIHU (WEST LAKE) DIS. Company introduced four-axis linkage machining center made in ZheJiang , milling the keyway and flange bolt hole of the flange yoke, The once machine-shaping ensures that the symmetry of the keyway and the position of the bolt hole are less than 0.02mm,which greatly improves the installation accuracy of the flange,the 4 axis milling and drilling center holes of the cross are integrated,to ensure that the 4 shaft symmetry and verticality are less than 0.02mm,the process of the journal cross assembly service life can be increased by 30%, and the speed at 1000 rpm above the cardan shaft running smoothly and super life is crucial to the operation.
 
We use CNC machine to lathe flange yoke and welded yoke,CNC machine can not only ensure the accuracy of the flange connection with the mouth, but also improve the flange surface finish.
 
5 CHINAMFG automatic welding machine welding spline sleeve and tube,welded yoke and tube.With the welding CHINAMFG swing mechanism, automatic lifting mechanism, adjustment mechanism and welding CHINAMFG cooling system, welding machine can realize multi ring continuous welding, each coil current and voltage can be preset, arc starting and stopping control PLC procedures, reliable welding quality, the weld bead is smooth and beautiful, to control the welding process with fixed procedures, greatly reducing the uncertainty of human during welding, greatly improve the welding effect.
 
 
High speed cardan shaft needs to do dynamic balance test before leaving the factory.Unbalanced cardan shaft will produce excessive centrifugal force at high speed and reduce the service life of the bearing;the dynamic balance test can eliminate the uneven distribution of the casting weight and the mass distribution of the whole assembly;Through the experiment to achieve the design of the required balance quality, improve the universal shaft service life.In 2008 the company introduced 2 high-precision dynamic balance test bench, the maximum speed can reach 4000 rev / min, the balance of G0.8 accuracy, balance weight 2kg–1000kg.
 
In order to make the paint standardization, in 2009 the company bought 10 CHINAMFG of clean paint room , the surface treatment of cardan shaft is more standardized, paint fastness is more rugged, staff’s working conditions improved, exhaust of harmless treatment.
 
Third,Professional transport packaging
 
 The packing of the export cardan shaft is all in the same way as the plywood wooden box, and then it is firmly secured with the iron sheet, so as to avoid the damage caused by the complicated situation in the long-distance transportation. Meet the standard requirements of plywood boxes into Europe and other countries, no matter where can successfully reach all the country’s ports.
 
 
The following table for SWC Medium-sized Universal Shaft Parameters. 
Designs

Data and Sizes of SWC Series Universal Joint Couplings

pe Design
Data
Item
SWC160 SWC180 SWC200 SWC225 SWC250 SWC265 SWC285 SWC315 SWC350 SWC390 SWC440 SWC490 SWC550 SWC620
A L 740 800 900 1000 1060 1120 1270 1390 1520 1530 1690 1850 2060 2280
LV 100 100 120 140 140 140 140 140 150 170 190 190 240 250
M(kg) 65 83 115 152 219 260 311 432 610 804 1122 1468 2154 2830
B L 480 530 590 640 730 790 840 930 100 1571 1130 1340 1400 1520
M(kg) 44 60 85 110 160 180 226 320 440 590 820 1090 1560 2100
C L 380 420 480 500 560 600 640 720 782 860 1040 1080 1220 1360
M(kg) 35 48 66 90 130 160 189 270 355 510 780 970 1330 1865
D L 520 580 620 690 760 810 860 970 1030 1120 1230 1360 1550 1720
M(kg) 48 65 90 120 173 220 250 355 485 665 920 1240 1765 2390
E L 800 850 940 1050 1120 1180 1320 1440 1550 1710 1880 2050 2310 2540
LV 100 100 120 140 140 140 140 140 150 170 190 190 240 250
M(kg) 70 92 126 165 238 280 340 472 660 886 1230 1625 2368 3135
  Tn(kN·m) 16 22.4 31.5 40 63 80 90 125 180 250 355 500 710 1000
  TF(kN·m) 8 11.2 16 20 31.5 40 45 63 90 125 180 250 355 500
  Β(°) 15 15 15 15 15 15 15 15 15 15 15 15 15 15
  D 160 180 200 225 250 265 285 315 350 390 440 490 550 620
  Df 160 180 200 225 250 265 285 315 350 3690 440 490 550 620
  D1 137 155 170 196 218 233 245 280 310 345 390 435 492 555
  D2(H9) 100 105 120 135 150 160 170 185 210 235 255 275 320 380
  D3 108 114 140 159 168 180 194 219 245 273 299 325 402 426
  Lm 95 105 110 125 140 150 160 180 195 215 260 270 305 340
  K 16 17 18 20 25 25 27 32 35 40 42 47 50 55
  T 4 5 5 5 6 6 7 8 8 8 10 12 12 12
  N 8 8 8 8 8 8 8 10 10 10 16 16 16 16
  D 15 17 17 17 19 19 21 23 23 25 28 31 31 38
  B 20 24 32 32 40 40 40 40 50 70 80 90 100 100
  G 6.0 7.0 9.0 9.0 12.5 12.5 12.5 15.0 16.0 18.0 20.0 22.5 22.5 25
  MI(Kg) 2.57 3 3.85 3.85 5.17 6 6.75 8.25 10.6 13 18.50 23.75 29.12 38.08
  Size M14 M16 M16 M16 M18 M18 M20 M22 M22 M24 M27 M30 M30 M36
  Tightening torque(Nm) 180 270 270 270 372 372 526 710 710 906 1340 1820 1820 3170

1. Notations: 
L=Standard length, or compressed length for designs with length compensation; 
LV=Length compensation; 
M=Weight; 
Tn=Nominal torque(Yield torque 50% over Tn); 
TF=Fatigue torque, I. E. Permissible torque as determined according to the fatigue strength
Under reversing loads; 
Β=Maximum deflection angle; 
MI=weight per 100mm tube
2. Millimeters are used as measurement units except where noted; 
3. Please consult us for customizations regarding length, length compensation and
Flange connections. 
(DIN or SAT etc. )
 

Brief Introduction

Processing flow

Why choose us!

                                                                                                                                                                                                                                                                                        Quality Control                                                                                                                                                                                               

       
      

Application

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cardan coupling

Best Practices for Lubricating and Maintaining Cardan Couplings

Proper lubrication and maintenance are crucial for ensuring the reliable and efficient performance of cardan couplings. Here are some best practices to follow:

  • Lubrication: Use a high-quality lubricant recommended by the manufacturer. Regularly lubricate the universal joints and other moving parts to reduce friction, wear, and heat generation.
  • Inspection: Periodically inspect the coupling for signs of wear, corrosion, or damage. Check for loose bolts, misalignment, or any abnormalities that could affect performance.
  • Alignment: Maintain proper alignment and phasing of the universal joints. Incorrect alignment can lead to premature wear and vibrations.
  • Torque Specifications: Follow the manufacturer’s torque specifications when tightening bolts and fasteners. Over-tightening or under-tightening can lead to issues.
  • Cleanliness: Keep the coupling and surrounding area clean from debris, dirt, and contaminants that could affect the coupling’s operation.
  • Temperature: Be mindful of the operating temperature of the coupling. Extreme temperatures can affect the lubricant’s properties and cause premature wear.
  • Regular Maintenance: Implement a regular maintenance schedule that includes lubrication, inspection, and any necessary adjustments. This helps identify and address issues before they escalate.
  • Replacement Parts: When replacing components, use genuine parts from the manufacturer to ensure compatibility and performance.
  • Training: Ensure that personnel responsible for maintaining the coupling are trained in proper procedures to avoid mistakes and ensure safety.

By following these best practices, you can extend the lifespan of your cardan couplings, maintain efficient power transmission, and minimize downtime due to unexpected failures.

cardan coupling

Challenges and Alignment of Cardan Couplings

Cardan couplings, while capable of accommodating angular misalignment, can pose certain challenges related to alignment. Here’s an overview of these challenges and how they can be addressed:

1. Angular Misalignment Limit: Cardan couplings have a limit to the amount of angular misalignment they can accommodate without causing excessive wear and vibration. It’s essential to stay within the manufacturer’s specified misalignment range.

2. Precision Assembly: Assembling a cardan coupling requires precision to ensure that the yokes and spider are aligned correctly. Misaligned assembly can lead to premature wear and increased vibrations.

3. Balancing and Vibration: Cardan couplings can introduce imbalances due to their design. Imbalances can result in vibration and reduce the overall efficiency of the system.

4. Lubrication: Adequate lubrication is crucial to minimize friction and wear in the bearings of the spider. Poor lubrication can lead to increased heat generation and accelerated wear.

5. Maintenance: Regular maintenance is required to monitor the condition of the coupling, including checking for wear, misalignment, and any signs of damage.

6. Torque Fluctuation: In applications with significant angular misalignment, cardan couplings may experience torque fluctuations due to the changing angles of the shafts.

To address these challenges:

– Follow the manufacturer’s guidelines for installation, alignment, and maintenance.

– Use precision tools and techniques during assembly to ensure proper alignment.

– Balance the rotating components to minimize vibration.

– Maintain proper lubrication to reduce friction and wear.

– Periodically inspect the coupling for wear, misalignment, and signs of damage.

– Consider using flexible couplings with higher misalignment capabilities for applications with extreme misalignment requirements.

Proper alignment, maintenance, and adherence to manufacturer recommendations can help maximize the efficiency and longevity of cardan couplings in mechanical systems.

cardan coupling

Are there different types of cardan couplings for various applications?

Yes, there are different types of cardan couplings designed to suit various applications and requirements:

  • Single Universal Joint: This is the most common type of cardan coupling, consisting of two yokes connected by a cross-shaped center piece. It is suitable for applications where angular misalignment compensation is needed, but the shafts are not too far apart.
  • Double Cardan Joint: Also known as a double U-joint or CV joint, this type consists of two universal joints connected by an intermediate shaft. It is used when higher angles of misalignment need to be accommodated or when a constant velocity transmission is required.
  • Disc Type Coupling: This type uses flexible discs or plates to transmit torque and compensate for misalignment. It is often used in applications with limited space and moderate torque requirements.
  • Block Type Coupling: Block type cardan couplings use solid blocks or spheres to transmit torque. They are suitable for heavy-duty applications and can handle higher torque loads.
  • Floating Shaft Coupling: This design involves two shafts connected by a third floating shaft, which allows for even higher angles of misalignment and smoother torque transmission.
  • Needle Bearing Universal Joint: In this type, needle bearings are used to reduce friction and improve efficiency. It is often used in precision applications where low friction and high efficiency are crucial.

The choice of cardan coupling type depends on factors such as the amount of misalignment, torque requirements, available space, and the need for constant velocity transmission. Selecting the right type ensures optimal performance and longevity in various mechanical systems.

China manufacturer Cardan Shaft, Universal Coupling for Skew Rolling Mill  China manufacturer Cardan Shaft, Universal Coupling for Skew Rolling Mill
editor by CX 2024-02-09