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Product Description

SWC-I Series-Light-Duty Designs Cardan shaft
Designs

Data and Size of SWC-I Series Universal Joint Couplings
 

Type Desian
Data
Item
SWC-I
   58 
SWC-I
   65
SWC-I
   75
SWC-I
  90
SWC-I
  100
SWC-I
120
SWC-I
150
SWC-I
180
SWC-I
200
SWC-I
225
A L 255 285 335 385 445 500 590 640 775 860
Lv 35 40 40 45 55 80 80 80 100 120
m(kg) 2.2 3.0 5.0 6.6 9.5 17 32 40 76 128
B L 150 175 200 240 260 295 370 430 530 600
m(kg) 1.7 2.4 3.8 5.7 7.7 13.1 23 28 55 98
C L 128 156 180 208 220 252 340 348 440 480
m(kg) 1.3 1.95 3.1 5.0 7.0 12.3 22 30 56 96
  Tn(N·m) 150 200 400 750 1250 2500 4500 8400 16000 22000
  Tf(N·m) 75 100 200 375 630 1250 2250 4200 8000 11000
  β(°) 35 35 35 35 35 35 35 25 25 25
  D 52 63 72 92 100 112 142 154 187 204
  Df 58 65 75 90 100 120 150 180 200 225
  D1 47 52 62 74.5 84 101.5 130 155.5 170 196
  D2(H9) 30 35 42 47 57 75 90 110 125 140
  D3 38 38 4 50 60 70 89 102 114 140
  Lm 32 39 45 52 55 63 85 87 110 120
  k 3.5 4.5 5.5 6.0 8.0 8.0 10.0 12.0 14.0 15.0
  t 1.5 1.7 2.0 2.5 2.5 2.5 3.0 4.0 4.0 5.0
  n 4 4 6 4 6 8 8 8 8 8
  d 5.1 6.5 6.5 8.5 8.5 10.5 13 15 17 17
  MI(kg) 0.14 0.16 0.38 0.38 0.53 0.53 0.87 0.87 1.65 2.14
Flange bolt size M5 M6 M6 M8 M8 M10 M12 M14 M16 M16
Tightening torque(N·m) 7 13 13 32 32 64 110 180 270 270

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. 
 

Brief Introduction

Processing flow

Applications
  
                                                                                                                                                                 

Quality Control                                                                                                                                                                                                

       
 

      

cardan coupling

Diagnosing and Troubleshooting Cardan Coupling Issues

Diagnosing and troubleshooting issues related to cardan couplings in machinery systems involves a systematic approach:

  1. Visual Inspection: Examine the cardan coupling for signs of wear, damage, misalignment, or corrosion. Look for any unusual noises or vibrations.
  2. Check Lubrication: Inspect the lubrication system and ensure proper lubricant levels. Inadequate lubrication can lead to premature wear.
  3. Monitor Performance: Use sensors and monitoring systems to track the performance of the cardan coupling in real-time. Analyze data for anomalies.
  4. Measure Alignment: Check for proper alignment between the input and output shafts. Misalignment can lead to increased wear and reduced efficiency.
  5. Check for Unusual Noises: Listen for any unusual noises during operation, such as grinding, squeaking, or knocking sounds.
  6. Inspect Components: Examine the individual components of the cardan coupling, including the universal joints and shafts, for signs of wear or damage.
  7. Perform Load Analysis: Evaluate the operating conditions and loads to ensure they are within the specified limits of the cardan coupling.
  8. Review Maintenance Records: Refer to maintenance records to ensure that the cardan coupling has been properly maintained and serviced.
  9. Consult Manufacturer Guidelines: Follow the manufacturer’s guidelines for troubleshooting and diagnostics specific to the cardan coupling model.

By following these steps, operators and maintenance personnel can effectively diagnose and troubleshoot cardan coupling issues, ensuring the reliable and efficient operation of machinery systems.

cardan coupling

Common Industries and Applications of Cardan Couplings

Cardan couplings, also known as universal joints or u-joints, are widely used in various industries and applications that require torque transmission and flexibility in shaft connections. Some common examples include:

  • Automotive Industry: Cardan couplings are used in driveshafts to transmit power from the engine to the wheels while allowing for variable angles and misalignment caused by suspension movement.
  • Industrial Machinery: They are used in heavy machinery such as mining equipment, cranes, and manufacturing machinery to transmit torque between non-aligned shafts.
  • Agricultural Machinery: Tractors and other agricultural equipment utilize cardan couplings in drivelines to accommodate varying angles and lengths.
  • Marine Applications: Cardan couplings are used in marine propulsion systems to transmit torque between the engine and the propeller shaft, even when the shafts are at different angles.
  • Aerospace Industry: They are employed in aerospace applications such as aircraft control systems and helicopter rotor drives to accommodate movements and misalignments.
  • Railway Systems: Cardan couplings are used in railway drivelines to transmit torque between cars and locomotives while allowing for movement and misalignment.
  • Energy Sector: They find applications in power generation systems, including wind turbines, where they accommodate misalignments caused by dynamic loads.
  • Pumps and Compressors: Cardan couplings are used in pumps and compressors to transmit power while compensating for misalignment and vibration.

These examples demonstrate the versatility of cardan couplings in various industries where torque transmission, flexibility, and angular misalignment compensation are essential.

cardan coupling

Accommodation of Angular Misalignment in Shaft with Cardan Coupling

A cardan coupling, also known as a universal joint or u-joint, is designed to accommodate angular misalignment between two shafts while maintaining a constant velocity transfer. Here’s how it works:

The cardan coupling consists of two yokes or fork-like components, each attached to the end of a shaft. These yokes are connected by a cross-shaped central component called the cross or spider. The spider has bearings at its four ends that fit into grooves in the yokes.

When the connected shafts are misaligned at an angle, the spider allows the yokes to pivot around their respective shafts. This pivoting action of the yokes and the spider enables the coupling to transmit torque between the shafts even when they are not perfectly aligned. The spider’s bearings allow smooth rotation and transfer of power.

The design of the cardan coupling ensures that even during angular misalignment, the rotational speed remains consistent between the input and output shafts. However, it’s important to note that while cardan couplings can accommodate angular misalignment, they introduce a small amount of radial and axial movement, which can lead to fluctuating torque and vibration.

Cardan couplings are commonly used in applications where there is a need to transmit torque between shafts that are not in line, such as in drivetrains, vehicle suspensions, and industrial machinery.

China OEM SWC Light-Duty Cardan Shaft Coupling for Equipment  China OEM SWC Light-Duty Cardan Shaft Coupling for Equipment
editor by CX 2023-10-08