Ball screw
Husillo de bolas
- Date
- 1898 · confidence medium
- Place
- United States
- Credited to
- H. M. Stevenson
- Field
- Tools
What it is
A linear actuator that converts rotary motion into linear motion with minimal friction, using balls that roll between a threaded shaft and a nut, patented by H. M. Stevenson.
What it led to
- Precision actuators for machine tools
- Low-friction steering and lifting mechanisms
- Modern recirculating ball screws
- Applications in robotics and high-precision CNC axes