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30:1 Metal Gearmotor 37Dx52L mm 12V (Helical Pinion)
This gearmotor is a powerful brushed DC motor with 30:1 metal gearbox intended for operation at 12 V. The gearbox is composed mainly of spur gears, but it features helical gears for the first stage for reduced noise and improved efficiency. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available with an integrated encoder.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 12 V | 330 RPM, 200 mA | 14 kg⋅cm (190 oz⋅in), 5.5 A |
Alternatives available with variations in these parameter(s): gear ratio motor type encoders? Select variant…
| Specs (20) | Pictures (11) | Resources (4) | FAQs (3) | On the blog (0) | 疯狂72小时 (51) |
|---|
Dimensions
| Size: | 37D × 52L mm1 |
|---|---|
| Weight: | 185 g |
| Shaft diameter: | 6 mm2 |
General specifications
| Gear ratio: | 30:1 |
|---|---|
| No-load speed @ 12V: | 330 rpm |
| No-load current @ 12V: | 0.2 A |
| Stall current @ 12V: | 5.5 A3 |
| Stall torque @ 12V: | 14 kg·cm3 |
| Max output power @ 12V: | 12 W |
| No-load speed @ 6V: | 170 rpm4 |
| No-load current @ 6V: | 0.15 A4 |
| Stall current @ 6V: | 3.0 A4 |
| Stall torque @ 6V: | 7.9 kg·cm4 |
| Motor type: | 12V |
Performance at maximum efficiency
| Max efficiency @ 12V: | 54 % |
|---|---|
| Speed at max efficiency: | 280 rpm |
| Torque at max efficiency: | 1.8 kg·cm |
| Current at max efficiency: | 0.78 A |
| Output power at max efficiency: | 5.1 W |
General specifications
| Encoders?: | N |
|---|
Notes:
- 1
- Length measurement is from gearbox face plate to back of motor (it does not include the output shaft or motor terminals). See dimension diagram for details.
- 2
- D shaft.
- 3
- Stalling is likely to damage the gearmotor. Stall parameters come from a theoretical extrapolation of performance at loads far from stall. As the motor heats up, as happens as it approaches an actual stall, the stall torque and current decrease.
- 4
- This motor will run at 6 V but is intended for operation at 12 V.
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