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.
Cone-and-disk Variable Speed Mechanism: How It Works, Diagram, Parts, Formula and Uses
Explore a cone-input friction drive. Move the disk contact point and compare contact radius, output speed and ideal torque ratio.