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A universal joint, (universal coupling, U-joint, Cardan joint, Hardy-Spicer joint, or Hooke's joint) is a joint or coupling in a rigid rod that allows the rod to 'bend' in any direction, and is commonly used in shafts that transmit rotary motion. It consists of a pair of hinges located close together, oriented at 90° to each other, connected by a cross shaft. The universal joint is not a constant velocity joint.
WS universal coupling is suitable for retating system which the two axis angle <45,nominal torque 11.2~1120N*m.
Features of WS universal coupling:
Model | Torque(TN N.m) | d(H7) | Outer diameter | Total length | Weight (m/kg) | Moment of inertiakg. | |||
| WSD | WS | ||||||||
| Y type | J1 type | Y type | J1 type | ||||||
| WS1 | 11.2 | 8 | 16 | 60 | 60 | 80 | 80 | 0.32 | 0.08 |
| WSD1 | 9 | 66 | 60 | 86 | 80 | 0.23 | 0.06 | ||
| 10 | |||||||||
| WS2 | 22.4 | 10 | 20 | 70 | 64 | 96 | 90 | 0.64 | 0.15 |
| WSD2 | 11 | 84 | 74 | 110 | 100 | 0.93 | 0.1 | ||
| 12 | |||||||||
| WS3 | 45 | 12 | 25 | 90 | 80 | 122 | 112 | 2.1 | 0.24 |
| WSD3 | 14 | 1.45 | 0.17 | ||||||
| WS4 | 71 | 16 | 32 | 116 | 82 | 154 | 130 | 8.56 | 0.56 |
| WSD4 | 18 | 5.92 | 0.32 | ||||||
| WS5 | 140 | 19 | 40 | 144 | 116 | 192 | 164 | 20.6 | 1.04 |
| WSD5 | 20 | 16.3 | 0.72 | ||||||
| 22 | |||||||||
| WS6 | 280 | 24 | 50 | 152 | 124 | 210 | 182 | 68.9 | 1.89 |
| WSD6 | 25 | 172 | 136 | 330 | 194 | 58 | 1.28 | ||
| 28 | |||||||||
| WS7 | 560 | 30 | 60 | 226 | 182 | 296 | 252 | 207 | 3.9 |
| WSD7 | 32 | 148 | 2.82 | ||||||
| 35 | |||||||||
| WS8 | 1120 | 38 | 75 | 240 | 196 | 332 | 288 | 396 | 7.25 |
| WSD8 | 40 | 300 | 224 | 392 | 336 | 585 | 5.03 | ||
| 42 | |||||||||
