Small Reduction Stepper Motor - 12VDC 32-Step 1/16 Gearing

Product ID: 1055
Small reduction stepper motor 12v 1
  • Small reduction stepper motor 12v 1
  • Small reduction stepper motor 12v 2
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This is a great first stepper motor, good for small projects and experimenting with steppers. This uni-polar motor has a built in mounting plate with two mounting holes. There are only 32 step (11.25 degree) per revolution, and inside is a 1/16 reduction gear set. (Actually its 1/16.032 but for most purposes 1/16 is a good enough approximation) What this means is that there are really 32*16.032 steps per revolution = 513 steps! The shaft is flattened so its easy to attach stuff to it with a set-screw. A perfect first stepper motor and works well with the Motor Shield for Arduino.

The gearing has a few side effects which are important to note. First, you can turn the stepper by hand but not as smoothly as an un-geared stepper. It also means you shouldn't use interleaved or micro-stepping to control or it will take forever to turn.. Instead use single or double stepping. The torque is fairly high but its slower than un-geared steppers - we maxed out at about 80 RPM when powering with 12VDC and about 50 RPM on 9VDC.

Specification

Holding Torque at12V DC 25 N*mm
Shaft Diameter 5 mm Flatened
Weight 37 g
Gear Reduction 1/16.025
Steps per Revolution 32 steps

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