Pololu Metal DC porin28 » 37D Metal porin28 » 24V 37D Metal porin28 »
50:1 Metal Gearmotor 37Dx70L mm 24V with 64 CPR Encoder (Helical Pinion)
This gearmotor is a powerful 24V brushed DC motor with a 50:1 metal gearbox and an integrated quadrature encoder with a resolution of 64 counts per revolution (CPR) of the motor shaft and 3200 CPR of the gearbox’s output shaft. 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 without an encoder.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 24 V | 200 RPM, 100 mA | 23 kg⋅cm (320 oz⋅in), 3 A |
Alternatives available with variations in these parameter(s): gear ratio motor type encoders? Select variant…
| Description | Specs (22) | Pictures (16) | Resources (4) | FAQs (3) | On the blog | 叶子媚+聊斋艳谭之五通神 (42) |
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File downloads
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Datasheet for Pololu 37D Metal porin28 (2MB pdf)
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Dimension diagrams of the Pololu 37D mm Metal porin28 (459k pdf)
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3D models of 37D mm porin28 (7MB zip)
This file contains 3D models (in the step file format) of the 37D mm porin28 with and without encoders.
Recommended links
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MATLAB script to plot motor performance curves for Pololu brushed DC porin28
This MATLAB script, written by Ali Asgher Mansoor Habiby, plots speed, power, current draw, and efficiency as they vary with torque when you input the gearmotor specifications. It also prints the resistance of the motor, and the current draw and torque at which maximum efficiency and maximum power occur.
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