70:1 Metal Gearmotor 37Dx54L mm 12V (Helical Pinion)

70:1 Metal Gearmotor 37Dx54L mm 12V (Helical Pinion)

CHF25.02

This gearmotor is a powerful brushed DC motor with 70:1 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. 

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Measuring 37 mm (1.46″) in diameter, these brushed DC gearmotors are the largest and most powerful we carry. They are available in a range of gear ratios from 6.3:1 to 150:1 and with 12 V or 24 V motors, and all versions are available with integrated 64 CPR quadrature encoders on the motor shafts. The 12 V and 24 V motors offer approximately the same performance at their respective nominal voltages, with the 24 V motor drawing half the current of the 12 V motor. 

In general, these kinds of motors can run at voltages above and below the nominal voltages; lower voltages might not be practical, and higher voltages could start negatively affecting the life of the motor.

The gearboxes are composed mainly of spur gears, but they feature helical gears for the first stage for reduced noise and improved efficiency.

Dimensions:

Size: 37D × 54L mm
Weight: 190 g
Shaft diameter: 6 mm

General specifications:

Gear ratio: 70:1
No-load speed @ 12V: 150 rpm
No-load current @ 12V: 0.2 A
Stall current @ 12V: 5.5 A
Stall torque @ 12V: 27 kg·cm
Max output power @ 12V: 10 W
No-load speed @ 6V: 73 rpm
No-load current @ 6V: 0.15 A
Stall current @ 6V: 3.0 A
Stall torque @ 6V: 16 kg·cm
Motor type: 12V

Performance at maximum efficiency:

Max efficiency @ 12V: 52 %
Speed at max efficiency: 130 rpm
Torque at max efficiency: 3.2 kg·cm
Current at max efficiency: 0.68 A
Output power at max efficiency: 4.2 W
PO-4744

Specific References

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