30:1 Metal Gearmotor 37Dx68L mm 12V with 64 CPR Encoder (Spur Pinion)
This gearmotor is a powerful 12V brushed DC motor with a 30:1 metal gearbox and an integrated quadrature encoder that provides a resolution of 64 counts per revolution of the motor shaft, which corresponds to 1920 counts per revolution of the gearbox’s output shaft. These units have a 16 mm-long, 6 mm-diameter D-shaped output shaft. This gearmotor is also available without an 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 encoders? Select variant…
| Specs (21) | Pictures (14) | Resources (4) | On the blog (2) | 女神啪啪啪视频 (0) |
|---|
Dimensions
| Size: | 37D × 68L mm1 |
|---|---|
| Weight: | 200 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 A5 |
| Stall torque @ 6V: | 7.9 kg·cm5 |
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
| Lead length: | 20 cm6 |
|---|---|
| Encoders?: | Y |
| Encoder resolution: | 64 CPR |
Notes:
- 1
- Length measurement is from gearbox face plate to back of encoder cap (it does not include the output shaft). 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.
- 5
- Stalling is likely to damage the gearmotor. Stall parameters come from a theoretical extrapolation of performance at loads far from stall. This motor will run at 6 V but is intended for operation at 12 V.
- 6
- May vary by a few centimeters.
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