Built Tough High Precision Helical Planetary Gearbox And Step Down Motor Reducer For 110 To 220 Mm Servos Running Like Clockwork With Smooth Torque Delivery And A Lean 70 To 1 Speed Ratio

Helical Planetary Gear Reducer For Large Servo Motors
✔️ 70:1 ratio, fits 110-220mm servos, handles up to 3kw

This single white gearhead delivers smooth torque transfer for CNC routers, 3d printers, and industrial automation rigs that demand reliable speed reduction.

✅ Helical planetary design for quiet operation
✅ Handles continuous loads up to three kilowatts
✅ Compact housing mounts easily on machine frames
✅ White finish resists oil and wear marks

💡 How do you calculate the right reduction ratio for a CNC mill servo?

Divide the motor rpm by your target spindle speed to find the exact gear drop you need. A handy approach keeps torque consistent across heavy cuts.
- Helical gear teeth engage gradually to reduce vibration noise
- Planetary carrier designs multiply input force through shared mesh points
- Higher reduction values drop rotational speed while boosting pulling power
- Standard mounting bolts align with popular controller brackets