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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 | Rated Torque N.m | d | D | L2 | L3 | L4 | L | f | w | Mass moment of inertia kg.m2 | ||||||
| Y | J1 | Y | J1 | Y | J1 | WSDType | WSType | |||||||||
| YType | J1Type | YType | J1Type | |||||||||||||
WSD1 | 11.2 | 8 | 16 | 60 | - | 80 | - | 20 | 20 | 8 | 8 | 0.06 | - | 0.08 | - | |
| 9 | 60 | - | 80 | - | 10 | |||||||||||
| 10 | 66 | 60 | 86 | 80 | 25 | 22 | 10 | 0.05 | 0.07 | |||||||
WSD2 | 22.4 | 10 | 20 | 70 | 64 | 96 | 90 | 26 | 25 | 22 | 10 | 10 | 0.10 | 0.09 | 0.15 | 0.15 |
| 11 | 70 | 64 | 96 | 90 | 10 | |||||||||||
| 12 | 84 | 74 | 110 | 100 | 32 | 27 | 12 | 12 | ||||||||
WSD3 | 45 | 12 | 25 | 90 | 80 | 122 | 112 | 32 | 32 | 27 | 12 | 12 | 0.17 | 0.15 | 0.24 | 0.22 |
| 14 | 90 | 80 | 112 | 112 | 14 | 14 | ||||||||||
WSD4 | 71 | 16 | 32 | 116 | 82 | 154 | 130 | 38 | 42 | 30 | 16 | 16 | 0.39 | 0.32 | 0.56 | 0.49 |
| 18 | 116 | 82 | 154 | 130 | 18 | 18 | ||||||||||
WSD5 | 140 | 10 | 40 | 144 | 116 | 192 | 164 | 48 | 42 | 30 | 18 | 18 | 0.72 | 0.59 | 1.04 | 0.91 |
