Beefy Planetary Gearbox 20 to 1 for Nema 23 and Nema 24 Stepper Motors With 15 Arc Minute Backlash 8 Millimeter Input Shaft 31 Millimeter Shaft Length Output Shaft 14 Millimeter CNC 3D Printer Lathe Reducer Comes With Four Screws Two Plugs and One Key
✔️ 20:1 ratio with 15 arc min backlash, 8mm input shaft (0.31in), output shaft 14mm (0.55in), ideal for CNC and 3D printer setups
This planetary gearbox is a compact speed reducer designed to boost torque in stepper motor systems. It's typically used in machinery like CNC routers, 3D printers, lathes, and robotics to deliver smooth, controlled motion for everyday precision tasks.
✅ 20:1 gear ratio for strong torque output in high-load scenarios✅ Backlash of 15 arc minutes (about 0.25 degrees) for accurate positioning in automated systems
✅ Input shaft: 8mm diameter (0.31in) and 31mm length (1.22in) for Nema 23/24 compatibility
✅ Output shaft: 14mm diameter (0.55in) and 35mm length (1.38in) for reliable connections
✅ Body length from 60mm to 90mm (2.37in to 3.55in), weighing 235g for easy integration
✅ Nominal output torque of 30Nm (4248.36oz·in) and efficiency up to 94% for dependable performance
✅ Operates at speeds up to 6000 RPM with noise under 65dB, suitable for quiet environments
✅ IP54 waterproof rating and a lifespan of 20,000 hours for tough conditions from -20°C to +150°C (-4°F to 302°F)
💡 What key factors make planetary gearboxes essential for precision-driven motor applications?
Planetary gearboxes stand out for enhancing motor efficiency in demanding setups.
- They pack high torque into a small footprint, perfect for space-limited machines like CNC tools
- Their design minimizes backlash for pinpoint accuracy, reducing errors in repetitive tasks
- They handle high radial and axial forces up to 400N and 230N, ensuring reliability under stress
- Longevity features like IP54 sealing extend service life, making them a smart pick for industrial use