Recent Blogs
Expanding Pulley: V-Groove Geometry Calculator | FIRGELLI
Explore opposed conical sheaves and calculate pitch-diameter change from axial closure and groove angle. This model covers one pulley rather than a full drive.
Adjustable Universal Sheave Mechanism Explained: How It Works, Parts, Diagram, and Uses
Explore a variable-pitch V-belt sheave and calculate ideal driven speed from pitch diameter and adjustment turns. Understand the separate groove-centerline assumption.