They are very useful in the various application, especially which demands low speed with high precision. Many machines such as 3D Printers, CNC Router and Mills, Camera Platforms, XYZ Plotters etc.
Features
Input pulse decides the rotation angle of the motor.
High accuracy of around 3 to 5% a step.
Provides good starting, stopping and reversing.
Control of this motor is less costly because of exclusion of complex control circuitry.
The speed is proportional to the frequency of the input pulses.
Specification
| Model | NEMA 17 |
| Motor Type | Single Shaft |
| Step Angle | 1.8° |
| Holding Torque (Kg-Cm) | 5.6 |
| Operating Voltage (VDC) | 3.1 |
| Supply Current (A) | 1.2 A/Phase |
| No. of Leads | 4 |
| Inductance (mH/Phase) | 3.2 |
| Rotor Inertia (gm-cm2) | 54 |
| Weight (gm) | 375 |
| Dimensions (mm) LxWxH | 42x42x48 |
| Detent Torque (kg-cm) | 0.28 |
| Frame Size (mm) | 42 x 42 |
| Inductance Accuracy | ±20% |
| Resistance Accuracy | ±10% |
| Step Angle Accuracy | ±5% |
| Shaft Type | D-type |
| Shaft Diameter (mm) | 5 |
| Shaft Length (mm) | 20 |
| Cable Length (cm) | 72 |
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