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DM-20RS180 Micro DC Spur Gear Motor
Key Features
Diameter: 20mm
Voltage: 3v-12v
Output speed: 6rpm-600rpm
Rated torque: <0.4Nm
1. Bi-direction
2. Metal or Carbon Brush DC Motor
3. Spur Gears
4. Copper Plate Gear Case
5. Sleeve Bronze Bushings
Product Dimensions（unit:mm）：
Gearbox Data：
| Number of stages | 4 | 5 | 6 | 7 | 8 |
| Reduction Ratio i | 18、23 | 35、44、55 | 67、84、105、132 | 161、202、252、316 | 386、484、606、758 |
| Gearbox Length L (mm) | 16.2 | 17.7 | 19.2 | 20.7 | 22.2 |
| Breaking Torque(kgf.cm) | 2 | 4 | 6 | 8 | 8 |
| Gearbox Efficiency | 65% | 59% | 53% | 48% | 43% |
Driving Motor Data：
| DC Motor Model | Rated | No Load | Max Efficiency Load | Stall | |||||
| Volt. | Current | Speed | Current | Speed | Torque | P.out | Torque | Current | |
| V | mA | r/min | mA | r/min | gf.cm | W | gf.cm | mA | |
| DM-180-006-6000 | 6 | ≤65 | 6000 | ≤260 | 5100 | 15 | 0.8 | ≥55 | ≥1150 |
| DM-180-012-6000 | 12 | ≤27 | 6000 | ≤150 | 5100 | 15 | 0.8 | ≥55 | ≥430 |
| DM-180-012-9000 | 12 | ≤80 | 9000 | ≤260 | 7000 | 20 | 1.4 | ≥80 | ≥10000 |
| DM-180-024-9000 | 24 | ≤50 | 9000 | ≤150 | 7800 | 20 | 1.6 | ≥80 | ≥550 |
Geared Motor Data：
| Gear Motor Model | Rated voltage | No Load | Max Efficiency Load | Stall | |||||
| Current | Speed | Current | Speed | Torque | P.out | Torque | Current | ||
| V | A | r/min | A | r/min | kgf.cm | W | kgf.cm | A | |
| DM-20RS180-0039500-67K | 3 | 0.21 | 139.9 | 0.91 | 115.5 | 0.68 | 0.81 | 3.90 | 4.21 |
| DM-20RS180-0039500-84K | 3 | 0.24 | 109.9 | 1.09 | 86.5 | 1.09 | 0.97 | 5.10 | 4.21 |
| DM-20RS180-0069000-55K | 6 | 0.08 | 162.4 | 0.39 | 133.9 | 0.57 | 0.79 | 3.30 | 1.81 |
| DM-20RS180-00614000-202K | 6 | 0.21 | 68.5 | 0.97 | 56.5 | 2.71 | 1.57 | 15.40 | 4.51 |
| DM-20RS180-01211000-55K | 12 | 0.09 | 196.1 | 0.33 | 159.2 | 0.85 | 1.38 | 4.50 | 1.35 |
The motor parameters are for reference only,please refer to real measured data; We can customize parameters according to customer requirements. Gear Motor Output Speed=DC Motor Speed/Gear Ratio ( n=nm/i) Gear Motor Output Torque=DC Motor Torque*Gear Ratio*Gearbox Efficiency. ( t=tm*i*η) | |||||||||
Typical Applications
