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What is the best way to extrude (remove) part of a shaft and leave a key

TimLeschTimLesch Member Posts: 1 ✭✭
The goal is to extrude (remove) a small amount of a shaft as an insert but leave a key for alignment. I can't figure out the key part.

Best Answer

  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 5,310
    Answer ✓
    You want to create a keyway and a key? Once you’ve removed the keyway material, just create another sketch (or reuse the existing one) to create the key. Make sure you use the “New” option when extruding the key. 
    Senior Director, Technical Services, EMEAI

Answers

  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 5,310
    Answer ✓
    You want to create a keyway and a key? Once you’ve removed the keyway material, just create another sketch (or reuse the existing one) to create the key. Make sure you use the “New” option when extruding the key. 
    Senior Director, Technical Services, EMEAI
  • Jake_RosenfeldJake_Rosenfeld Moderator, Onshape Employees, Developers Posts: 1,646
    edited October 2018
    @TimLesch

    You can also extrude the key as a "New" and then use Boolean feature (with keep tools box checked) to subtract the key from the shaft (optionally with some offset) to create the keyway without deleting the key.

    https://cad.onshape.com/help/Content/booleanparts.htm
    Jake Rosenfeld - Modeling Team
  • brian_bradybrian_brady Member, Developers Posts: 505 EDU
    Keep in mind that keys are not like to be the same size as the slot. I am not talking as much about the cross section, but the length of the key and slot. If the slot is blind the ends will be rounded but the key will probably be square.
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