Mechanisms — friction pulley

Recent Blogs

Friction Pulley with Eccentric Arms — schematic of the mechanism.
Friction Pulley with Eccentric Arms: One-Way Drive Animation
See how eccentric arms grip a pulley rim in one direction and release in the other. Compare outer-belt tension ratios separately from the internal clutch.
Simple Friction Pulley diagram
Simple Friction Pulley Mechanism: How It Works, Capstan Equation, Parts, and Uses Explained
How a simple friction pulley transmits torque through belt grip in mill and factory drives. Includes the capstan equation, worked example, and selection guide.