Mechanisms — intermittent indexing

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Worm-gear Jumping Motion with Tumbler diagram
Worm-gear Jumping Motion with Tumbler Explained: How It Works, Parts, Uses, and Step-Rate Formula

Posted by Robbie Dickson on

Explore worm-and-tumbler indexing. Compare step angle, steps per minute and ideal engagement time from your entered tooth count and cycle settings.
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Spherical Geneva Drive — schematic of the mechanism.
Spherical Geneva Drive: Right-Angle Indexing Animation and Calculator

Posted by Robbie Dickson on

Explore a spherical Geneva with intersecting right-angle shafts. Calculate index angle, pin-cone angle and equal indexing and dwell times.
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