Recent Blogs
Internal Spur Gear and Pinion: Pitch Geometry Calculator | FIRGELLI
Calculate ideal fixed-axis internal gear ratio, center distance and same-direction ring speed. Tooth interference, capacity and planetary motion are not calculated.
Rack and Pinion Mechanism: How It Works, Diagram, Formula, Calculator and Real-World Uses
Rack and Pinion explained — how the gear-and-bar mechanism converts rotation to linear motion, with formulas, real automotive steering examples, and design tradeoffs.
Eccentric Crown Wheel and Pinion: Local Ratio Calculator
Explore an eccentric crown wheel and perpendicular pinion. Calculate a local ideal reduction ratio and lossless torque factor; complete tooth geometry and drive capacity are...
Rack Motion: Ideal Module and Pitch Geometry
Rack motion converts rotary input from a pinion into precise linear travel. Learn how engineers size rack and pinion drives in CNC, robotics, and industrial...
Pinion and Rack: Pitch-Line Travel and Module
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...