Recent Blogs
Stud-and-Hole Clutch: Animation and Index Calculator | FIRGELLI
See one radial pin couple two rotating members. Calculate hole pitch, arc spacing, pin area and an ideal torque estimate from an entered shear-stress assumption.
Sliding Clutch-box Mechanism Explained: How It Works, Parts, Diagram, Formula and Uses
Sliding Clutch-box explained — how the sliding dog clutch engages gears in tractors, lathes, and gearboxes, with formulas, tolerances, and a worked example.
Frictional Clutch-box: Plate-stack Torque Calculator | FIRGELLI
Compare ideal plate-clutch torque capacity with demand using clamp force, coefficient, mean radius and active interfaces. Read force sums and torque margin.
Clutch (form) Mechanism Explained: How Dog and Jaw Clutches Transmit Torque
How a form-locking clutch (dog clutch) engages with positive teeth to transmit torque without slip — used in gearboxes, PTOs, and lathe carriages.