Library › Mechanisms › Grooved (wedge) friction gearing, 30 : 60

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, CC BY 4.0 (credit "Xem Studio")

Dimensions

parameter	wheels
value	pitch Ø30 and Ø60 × 16

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From the full sheet

Grooved (wedge) friction gearing, 30 : 60: every size, notes, mating features and sources. Why are friction wheels grooved?