Globoid (Throated) Worm Drive Model

by otvinta3d, published

Globoid (Throated) Worm Drive Model by otvinta3d Jun 5, 2016
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4008Views 1340Downloads Found in Mechanical Toys


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 countersunk Phillips-head screws M3x12 and 2 metric nuts M3. 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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Raft is needed for the worm halves only,

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Hey. you can lay out a model undivided worm? worm in one piece.

We could but this model would not print well, require a lot of support and won't mesh well with the wheel.

I need it as a base for the other part, to remix.

Contact us via http://www.otvinta.com/contact.html and we will email the model to you.