This NEMA 17 Stepper Motor is bipolar, For 3D Printer Robotics 1.8° step angle (200 steps/revolution). Each phase draws 1.7 A at 4 V, allowing for a holding torque of 3.2 kg-cm (44 oz-in). When used with a unipolar stepper motor driver. We recommend using it as with DRV8825 or A4988.
This motor Satisfies all your robotic needs with a selection of high quality & divee stepper moto DRV8825 or A4988. These simple but very powerful moto deliver smooth motion and nice holding torque.
Our 5×8 coupler can be used to mount objects on the stepper motor’s 5 mm-diameter output shaft, and our NEMA 17 aluminum bracket offe a variety of options for mounting this stepper motor in your project. A similar NEMA17 stepper motor is available with the different specification that enables you a wide range of stepper moto from hallroad.org
Specifications:
Size: 42.3 mm square × 50 mm, not including the shaft (NEMA 17)
Weight: 350 g (13 oz)
Shaft diameter: 5 mm Round
Steps per revolution: 200
Current rating: 1.7 A per coil
Voltage rating: 4 V
Resistance: 1.6Ω per coil
Holding torque: 3.2 kg-cm (44 oz-in)
Lead length: 4cm
Output shaft supported by two ball bearings (internally).
The datasheet is not available for the exact part but here is a similar one which is 95% compatible with this motor. datasheet.
Dimensions
The following diagram shows the stepper motor dimensions in mm. The dimension labeled “length” is 50 mm. The output shaft has a 5 mm diameter.
The inside of a bipolar stepper motor (SOYO NEMA 14-size).
Stepper Motor Applications
Stepper moto are generally used in a variety of applications where precise position control is desirable and the cost or complexity of a feedback control system is unwarranted. Here are a few applications where stepper moto are often found:
Printe
CNC machines
3D printer/prototyping machines (e.g. RepRap)
Laser cutte
Pick and place machines
Linear actuato
Hard drives
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