Beefed Up Harmonic Gear Drive Reducer 20 Arcsec Strain Wave Gearbox With 80 To 1 Rotary Reduction Actuator Fits Nema 17 Stepper Motor Flange Output Easy To Assemble For High Precision Motion
UPC:
✔️ 80:1 reduction ratio, 10 Nm input torque, <20 arcsec backlash, 0.5 kg
This compact harmonic gear drive reducer delivers precise rotational motion with very low backlash. It’s a common fit in robotics, CNC setups, automation fixtures, and research labs that demand repeatable positioning. The unit uses a dedicated flange to attach directly to a NEMA 17 stepper motor for quick, stable assembly.
✅ 80:1 reduction ratio
✅ Torque at 2000r/min input: 10 Nm / 7.38 ft-lb
✅ Peak torque at start and stop: 30 Nm / 22.13 ft-lb
✅ Max average load torque: 14 Nm / 10.33 ft-lb
✅ Permissible max momentary torque: 61 Nm / 44.99 ft-lb
✅ Max input rotational speed: 8500 r/min
✅ Permissible average input rotational speed: 3500 r/min
✅ Moment of inertia: 1.4e-2 kg cm^2
✅ Backlash: less than 20 arcsec
✅ Design life: 7000 hours
✅ Weight: 0.5 kg / 1.1 lbs
💡 What is a strain wave harmonic gear reducer used for in precision automation? This handy device provides precise, repeatable motion with very low backlash, making it a popular pick for robotics, CNC machines, and medical equipment. - Low backlash for repeatable positioning - Direct flange output simplifies mounting - Compact size fits tight spaces in automation - Long service life with reliable gearing