Library › Mechanisms › Reversing-screw drum and traverser

Assembled mechanism, all parts placed at one pose (STEP keeps each part separate)

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, Xem Studio Design License — Xem Studio

Dimensions

parameter	traverse
value	60 mm per 2 turns, each way

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From the full sheet

Reversing-screw drum and traverser (uniform to-and-fro traverse): every size, notes, mating features and sources. How does a level-wind drum move a pin back and forth?