HD-25 Harmonic Gear Reducer 120:1

✔️ Maximum Reduction Strain Wave Gear for Heavy Load Motion Control

The HD-25 120:1 harmonic gear reducer is intended for applications that require maximum torque output and extremely fine positioning accuracy. Using only the specification table, this reducer supports demanding robotic and automation workloads in a compact 110mm form factor.

✅ Gear ratio: 120:1
✅ Rated torque at 2000 rpm: 54 Nm
✅ Limit for repeated peak torque: 120 Nm
✅ Limit for average torque: 80 Nm
✅ Limit for momentary peak torque: 202 Nm
✅ Maximum input speed: 5600 rpm
✅ Limit for average input speed: 3500 rpm
✅ Moment of inertia: 0.282 x10^4 kgm^2
✅ Backlash: ≤10 arcsec
✅ Delivery time 10 to 15 days

💡 When should a 120:1 harmonic gear reducer be selected for motion control systems?

A 120:1 harmonic reducer is selected when maximum torque multiplication and ultra fine positioning are required in high load precision systems.

This 120:1 version delivers maximum torque capability with stable, low-backlash motion.