Rotary Weaver

A hydraulic hose manufacturer in the US approached UC Irvine in order to design a linkage for their rotary weaver equipment. They were trying to equip their machines so that they could change out the current 2 over 2 braid pattern into a 3 over 3 braid pattern. They wanted to avoid the use of cams but could not find a linkage that created a dwell motion from a constant input that wouldn’t result in the end effector hitting the spools.

I designed them the following linkage that solved their problem.

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