Description
The NEMA17 6-wire stepper motor features a 42 × 42mm frame and a 23mm body length, making it suitable for compact motion-control applications. Its 1.8° step angle provides 200 steps per revolution for precise positioning.
The 6-wire configuration allows the motor to be used in either unipolar or bipolar configurations. For standard 4-pin bipolar stepper drivers, the center-tap wires are left disconnected and insulated, while the outer coil wires are connected to the driver.
Key Specifications
- Condition: Brand New
- Frame Size: NEMA 17
- Faceplate Size: 42 × 42mm
- Body Length: 23mm
- Step Angle: 1.8° (200 steps/revolution)
- Rated Current: 1A per phase
- Voltage Range: Typically driven at 12–24V DC using a constant-current driver
- Holding Torque: Approximately 13–15 Ncm
- Shaft Diameter: 5mm
- Shaft Type: D-shaped
- Phase Resistance: 3.5Ω
- Weight: 130g
Core Applications
- 3D Printers: Suitable for X, Y, and Z-axis movement and direct-drive extruders.
- CNC Routers & Laser Cutters: Provides precise positioning for small desktop machines.
- Automation & Robotics: Suitable for accurate speed and position control in DIY and automated systems.
Typical Wiring (4-Wire Bipolar Setup)
When using this 6-wire motor with a standard 4-wire bipolar driver, the center-tap wires should be disconnected and insulated.
- Phase A: Often Black (A+) and Green (A−)
- Phase B: Often Red (B+) and Blue (B−)
- Center Taps: Usually White and Yellow; leave these disconnected when using a 4-wire bipolar driver.
The exact wire colors can vary, so verify the coil pairs with a multimeter before connecting the motor.
How to Connect to Standard 4-Pin Drivers (A4988, DRV8825, TMC2209)
To use the motor with a standard 4-pin bipolar stepper driver, leave the two center-tap wires disconnected and insulated.
- Identify the Pairs: Use a multimeter to identify the wires belonging to each coil. The center tap will show approximately half the resistance to either end of the same coil.
- 4-Wire Bipolar Mode: Connect the outer ends of the two coil phases to the driver’s A and B outputs. Leaving the center taps disconnected allows the full coil winding to be used for bipolar operation.
- Set the Driver Current: Configure the driver’s current limit according to the motor’s rated current to help prevent overheating and missed steps.
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