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QJS 20mm All-Metal Planetary Gear Motor
QJS 20mm All-Metal Planetary Gear Motor is designed for compact transmission systems requiring higher output torque and robust mechanical performance. With a 20 mm outer diameter, up to 6.5 kgf·cm momentary torque, and 1–4 stage planetary configurations, it provides flexible power transmission for Smart robots, robot dogs, garden robots.
- 20mm Compact Transmission Platform
- Up to 6.5 kgf·cm Momentary Torque
- Multiple Stage Options for Application Matching
- Metal Housing & Stainless Steel Output Shaft
Parameter
| QJS20 mm | ||||
| Gear Stages | 1 | 2 | 3 | 4 |
| Reduction Ratio | 4,6 | 16, 24, 36 | 64, 96, 144, 216 | 256, 384, 576, 864, 1296 |
| Gear Length (mm) | 20 | 22.8 | 25.6 | 28.1 |
| Max. Allowable Continuous Torque (kgf·cm) | 1 | 1.8 | 2.5 | 3.6 |
| Max. Allowable Momentary Torque (kgf·cm) | 2 | 2.8 | 4 | 6.5 |
| Efficiency (%) | 90 | 81 | 73 | 65 |
| Motor Length | Depends on the specified motor | |||
| Outer Diameter | 20 mm | |||
| Gearbox Type | Planetary Structure | |||
| Output Shaft Material | Stainless Steel | |||
| Output Shaft Bearing Type | Ball Bearings | |||
| Gear Material | Machined Metal Gear | |||
| Case Material | Metal | |||
| Operating Humidity | 20%–85% RH | |||
| Operating Temperature | -25°C–+100°C | |||
| Customization available (design & manufacturing) | ||||
