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High Torque Type B2
Closed Type: Unit
WPU-□-□-CR
The Next Generation Nidec FLEXWAVE – proving to be the superior choice for the next generation drive mechanisms in Robotics, Machine Tool, Medical Equipment, Semiconductor Manufacturing, Satellite Communications and Assembly Automation applications.
Technical Data
* For code details, check Dimensions Table
Ratio Matrix Availability
| Frame Size | 50 Reduction Ratio | 80 Reduction Ratio | 100 Reduction Ratio | 120 Reduction Ratio | 160 Reduction Ratio |
| 35 | ✔ | ✔ | ✔ | ❌ | ❌ |
| 42 | ✔ | ✔ | ✔ | ✔ | ❌ |
| 50 | ✔ | ✔ | ✔ | ✔ | ✔ |
| 63 | ✔ | ✔ | ✔ | ✔ | ✔ |
| 80 | ✔ | ✔ | ✔ | ✔ | ✔ |
Reducer Specifications
| Frame Size | Ratio R*1 | Nominal Output Torque *2 [Nm] | Maximum Output Torque *3 [Nm] | Emergency Stop Torque *4 [Nm] | Nominal Input Speed *5 [r/min) | Maximum Input Speed *6 [r/min) | Life *7 [hours] |
| 35 | 50 | 7 | 23 | 46 | 3000 | 8500 | 10000 |
| 35 | 80 | 10 | 30 | 61 | 3000 | 8500 | 10000 |
| 35 | 100 | 10 | 36 | 70 | 3000 | 8500 | 10000 |
| 42 | 50 | 21 | 44 | 91 | 3000 | 7300 | 10000 |
| 42 | 80 | 29 | 56 | 113 | 3000 | 7300 | 10000 |
| 42 | 100 | 31 | 70 | 143 | 3000 | 7300 | 10000 |
| 42 | 120 | 31 | 70 | 112 | 3000 | 7300 | 10000 |
| 50 | 50 | 33 | 73 | 127 | 3000 | 6500 | 10000 |
| 50 | 80 | 44 | 96 | 165 | 3000 | 6500 | 10000 |
| 50 | 100 | 52 | 107 | 191 | 3000 | 6500 | 10000 |
| 50 | 120 | 52 | 113 | 191 | 3000 | 6500 | 10000 |
| 50 | 160 | 52 | 120 | 191 | 3000 | 6500 | 10000 |
| 63 | 50 | 51 | 127 | 242 | 3000 | 5600 | 10000 |
| 63 | 80 | 82 | 178 | 332 | 3000 | 5600 | 10000 |
| 63 | 100 | 87 | 204 | 369 | 3000 | 5600 | 10000 |
| 63 | 120 | 87 | 217 | 395 | 3000 | 5600 | 10000 |
| 63 | 160 | 87 | 229 | 408 | 3000 | 5600 | 10000 |
| 80 | 50 | 99 | 281 | 497 | 3000 | 4800 | 10000 |
| 80 | 80 | 153 | 395 | 738 | 3000 | 4800 | 10000 |
| 80 | 100 | 178 | 433 | 841 | 3000 | 4800 | 10000 |
| 80 | 120 | 178 | 459 | 892 | 3000 | 4800 | 10000 |
| 80 | 160 | 178 | 484 | 892 | 3000 | 4800 | 10000 |
- Reduction ratio is to be calculated by the formula in the previous page, using R value in this table.
- The maximum allowable value at the input rotation speed of 2000r/min
- The maximum torque when starting and stopping.
- The maximum torque when it receives shock.
- The maximum average input speed.
- The maximum input speed.
- The life time at the input rotation speed of 2000 r/min and nominal output torque.
Closed Type: Unit
WPU-□-□-CR Dimensions
| Frame Size | Weight Kg | Moment of Inertia x10-4kgm² |
| 35 | 0.50 | 0.0362 |
| 42 | 0.68 | 0.0831 |
| 50 | 0.95 | 0.190 |
| 63 | 1.5 | 0.414 |
| 80 | 3.3 | 1.54 |
| Size | O-ring: A | O-ring: B |
| 35 | 29.0 X 0.5 | S50 |
| 42 | 34.5 X 0.8 | S56 |
| 50 | 40.64 X 1.14 | S67 |
| 63 | 53.29 X 0.99 | S80 |
| 80 | S71 | S105 |
[mm]
| Frame Size | LA | LB | LC | LD | N | LT | LU | LE | LF | LG | LH | LK | LM | DB | SG |
| 35 | 65 | 56 | 73 | 31 | 8 | M4 | 4.5 | 41 | 27 | 7 | 3.5 | 2 | 14 | 38 | 14 |
| 42 | 71 | 63 | 79 | 38 | 8 | M4 | 4.5 | 45 | 29 | 8 | 4 | 2 | 16 | 48 | 18 |
| 50 | 82 | 72 | 93 | 45 | 8 | M5 | 5.5 | 45.5 | 28 | 10 | 5 | 3 | 17.5 | 56 | 21 |
| 63 | 96 | 86 | 107 | 58 | 10 | M5 | 5.5 | 52 | 36 | 10 | 5 | 3 | 16 | 67 | 26 |
| 80 | 125 | 113 | 138 | 78 | 12 | M6 | 6.5 | 62 | 45 | 12 | 5 | 3 | 17 | 90 | 26 |
| Frame Size | SH | SL | W | T | SU | SA | SB | SC | M | ST | HD | CX | CY | CZ |
| 35 | 6 | 18.5 | – | – | 2.5 | 23 | 11 | 8 | 6 | M4 X 8 | 9.5 | 1.6 | 1 | 38 |
| 42 | 8 | 20.7 | – | – | 3 | 27 | 10 | 7 | 6 | M5 X 8 | 9.5 | 1.3 | 1 | 45 |
| 50 | 12 | 21.5 | 4 | 13.8 | – | 32 | 14 | 10 | 8 | M6 X 9 | 9 | 1.5 | 1.5 | 53 |
| 63 | 14 | 21.6 | 5 | 16.3 | – | 42 | 20 | 15 | 8 | M8 X 10 | 12 | 3.4 | 1.5 | 66 |
| 80 | 14 | 23.6 | 5 | 16.3 | – | 55 | 26 | 20 | 8 | M10 X 12 | 15 | 5.2 | 1.5 | 86 |
- For details in the input section, please check the drawings.
- Inner dimensions of CY, CZ are recommended dimensions.