Description
The Bipolar Stepper (NEMA-17) with 26.85:1 motor has an integrated Planetary gearbox with a 26 103/121 :1 ratio. It comes with the rear shaft exposed, so you can mount an encoder or shaft coupler.
At 1.7 Amps, this stepper motor can produce a maximum torque of 77 kg-cm. However, the gearbox is only rated for 30 kg-cm of continuous torque, and 80 kg-cm for brief overloads. Loading this gearbox stepper beyond the torque rating of the gearbox will shorten its useful life.
When connected to a 1067 – Stepper Bipolar HC, the 3327 has a maximum speed of approximately 174 RPM at no load. At the output of the gearbox, the step angle is a little under 0.07°. When using the step angle in calculations, you should derive the exact step angle by dividing 1.8° by the gearbox reduction ratio.
3327_0 Bipolar Stepper (NEMA-17) with 26.85:1 (42STH38) Product Features: This bipolar stepper with gearbox and rear shaft has a 0.067° step angle and 30 kg·cm of torque at low speeds.
The 3327 stepper motor connects to a bipolar motor controller such as the 1067 – Stepper Bipolar HC.
The following diagram shows how to connect the motor wires to the board connectors to produce a clockwise rotation in the stepper motor when increasing position. To wire for counter-clockwise rotation when increasing position, reverse the red and blue wires.
Note: Make sure to unplug the power cord from the motor controller before switching wires around.
The rear shaft of this motor can be equipped with the HKT22 Optical Encoder for applications where you need to keep track of the exact position, velocity, or acceleration of the motor.
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