Harmonic Gear Drive Reducer 30:1 Strain Wave Gearbox For Nema 17 Stepper Motor With Flange Output, High-Precision Rotary Reduction Actuator For Smooth, Low-Backlash Motion

30:1 Strain Wave Gearbox for Nema 17 Motors - single unit
✔️ 30:1 flange-output harmonic reducer for Nema 17, low backlash

The harmonic gear drive reducer is a compact, high-precision rotary actuator designed to reduce motor speed with minimal backlash. It fits Nema 17 stepper motors via a custom flange, making it a practical choice for robotics, CNC machines, and automation projects requiring accurate repeatability.

✅ Reduction ratio: 30:1 with flange output for simple mounting
✅ Fits Nema 17 stepper motors with a dedicated flange
✅ Torque at 2000 r/min input: 2.2 Nm / 1.62 ft-lb
✅ Peak torque at start/stop: 4.5 Nm / 3.32 ft-lb
✅ Max average load torque: 3.4 Nm / 2.51 ft-lb
✅ Max input speed: 8500 r/min peak, 3500 r/min average
✅ Backlash under 20 arcsec; mass about 0.4 kg / 0.88 lb

💡 What is a harmonic drive reducer used for in precision motion? This handy gear unit helps achieve precise motion in robotics, CNC equipment, and automation systems. - Handy for tight spaces where backlash must be minimized
- Improves repeatability and smooth motion at low speeds
- Compatible with Nema 17 motors via flange-output design