Headstock casting CAD for SIEG mini lathe

prusaprinters

<p>This is a CAD model I did for my SIEG mini lathe in order to look at the spacing of components on the main spindle when upgrading it to NSK tapered roller bearings. &nbsp;All dimensions were measured from my actual casting, which is from a vintage 2015 Harbor Freight PN 93212 7x10 unit.</p><p>There are some variations with different versions of the mini lathe, but in general the same headstock design is used regardless of the length of the bed (7x10, 7x14, etc.). &nbsp;One detail of this particular model is that there are only 3 bolts holding the headstock to the bed; I have seen ones with four bolts. &nbsp;You will need to check your own unit, but I hope this model - which took some time to make - will be helpful for anyone considering headstock modifications.</p><p>The OnShape CAD is here: <a href="https://cad.onshape.com/documents/a2489203aad37f32bcc58b0f/w/ca71595287f57db2de40ab0b/e/7eb2ac0eee758c105743232d">https://cad.onshape.com/documents/a2489203aad37f32bcc58b0f/w/ca71595287f57db2de40ab0b/e/7eb2ac0eee758c105743232d</a></p><p>I've included downloadable STL and STEP files for convenience, but you will probably want to just go copy the OnShape document and edit to suit your own unit.</p>