Mechanisms — ratio change mechanism

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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.
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