High Stability 2 Phase 4 Wire 15MM Micro Screw Shaft Stepper Motor Linear Actuator for Optical Instruments

Details: Material: Metal Motor size: 20 mm in diameter, thickness about 10 mm Rod diameter (external): 2.9 mm Rod with gear length: roughly 36 mm Copper nut dimensions: 6.94 x 6.94 mm (square) Motor configuration: Two-phase, four-wire (Brown: A+, Black: A-, White: B+, Red: B-) Wire length: about 50 mm Resistance per phase: 9.2 Ω At 6V, short-circuit current: 0.62 A (working current is around 0.5 A) Nut movement with motor operation: 1200 motor pulses ≈ 30 mm nut travel 1 pulse ≈ 0.025 mm movement Driver full turn (360°): nut travels roughly 0.5 mm (Data is approximate due to lack of professional measuring equipment.) Testing linear stepper function: when the nut is locked from rotating, the shaft can move it linearly. Includes: 1 Pc Notice: 1. Actual product size may vary from photos, refer to description. 2. Manual measurement may cause slight variance. 3. Item color may differ depending on monitor settings. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.