Globoid (Throated) Worm Drive Model

This is a fully functional hand-cranked model of the throated (also known as globoid) worm drive. To put it together, you will also need 10 metric Phillips flat head screws M2x12 and 2 metric nuts M2. Those can be purchased cheaply on eBay. If you are curious how to model a throated worm drive, we have a video tutorial at www.otvinta.com. We recommend that the two halves of the worm shaft be printed with a raft for better coupling. The raft and remaining residue should be removed with sand paper. If printed properly, the crankhandle’s grip should rotate freely around the handle. File parts clamp1.stl and clamp2.stl in the archive are identical. There are two versions of the stand: with the logo (stand.stl) and without (stand_nologo.stl). Print one or the other.”

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