Mechanisms — pitch diameter

Recent Blogs

Spur Gears diagram
Spur Gears Mechanism Explained: How They Work, Parts, Diagram, Formula and Uses
Spur gears transmit power between parallel shafts with straight teeth. Learn module, ratio, contact ratio, and real industrial sizing examples from FIRGELLI.
Sprocket diagram
Sprocket Mechanism: How Chain Drives Work, Pitch Diameter Formula, Parts and Uses Explained
How a sprocket works, with the chain-pitch math, tooth-count rules, and a worked drive-sizing example for conveyors, bikes, and industrial machinery.
Pinion diagram
Pinion Mechanism Explained: How a Pinion Gear Works, Parts, Formula, and Uses
Pinion gears convert rotary motion into linear or geared output. See how pinion teeth mesh, sizing formulas, and real uses in CNC, automotive steering and...