STM WMI 90 · 351 Nm · i=20 · reducer
MLFB: WMI90-20
STM WMI 90 worm gear reducer without motor, ratio i = 20. At 1400 rpm input: output speed 70 rpm, rated output torque 351 Nm, rated input power 3.1 kW. By input speed: n₁ 2800 → 258 Nm / 4.4 kW; n₁ 1400 → 351 Nm / 3.1 kW; n₁ 900 → 395 Nm / 2.3 kW; n₁ 500 → 477 Nm / 1.6 kW. For input speeds of 1500–3000 rpm the manufacturer requires consulting its technical department for this size.
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Technical parameters
| Design | worm |
| Model | WMI 90 |
| Gearbox type | Worm |
| Output torque | 351 Nm |
| Gear ratio | 20 |
| Rated input power P₁ | 3.1 kW |
| Output speed n₂ | 70 min⁻¹ |
| Input speed n₁ | 1400 min⁻¹ |
| Weight | 13 kg |
| Gearbox size | 90 |
| Number of stages | 1 |