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NEMA 17 stepper motor is a stepper motor type specified by NEMA. NEMA 17 steppers have a 1.7 x 1.7 inch faceplate. NEMA 17 steppers have usually more torque than the smaller variants, such as NEMA 14. NEMA 17 steppers are commonly used in 3D-printers.
Video NEMA 17 stepper motor
References
- http://reprap.org/wiki/NEMA_17_Stepper_motor
Source of article : Wikipedia