Mechanisms — variable ratio gear

Recent Blogs

Scroll Gear diagram
Scroll Gear Mechanism Explained: How Spiral Pitch Curves Create Variable Gear Ratios

Posted by Robbie Dickson on

Scroll Gear explained — how a spiral-profile gear delivers gradually increasing speed or torque, with formulas, real industrial uses, and design tradeoffs.
READ MORE
Multiple Gearing (triangular Wheel with Friction Rollers) diagram
Multiple Gearing (triangular Wheel with Friction Rollers): How It Works, Parts, Ratios & Uses

Posted by Robbie Dickson on

How a triangular wheel with friction rollers delivers multiple gear ratios from one input shaft. Formulas, ratios, and a real CNC engraver worked example.
READ MORE