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Draft for parting line

Miguel_GTMiguel_GT Member Posts: 8 EDU

I am trying to do a draft for parting line and OnShape does something extrange.

Why does the small cylinder right and the big one wrong?

I tried different Pull direction and the result is the same.

Thanks for any help



  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 2,193
    Was the big cylinder already split into 2 faces before you added the draft ?
    Neil Cooke, Director of Technical Marketing, Onshape Inc.
  • Miguel_GTMiguel_GT Member Posts: 8 EDU
    edited March 9

    No. Both were iqual made.

    I don't understand the vertical edge in the big one.

  • romeograhamromeograham Member Posts: 193 PRO
    You might try extruding the large cylinder (Extrude 3) before the connecting bit....that way the faces may not get split.

    Are you sure that Sketch 3 is fully tangent to the sides of the connecting bit?
  • Miguel_GTMiguel_GT Member Posts: 8 EDU
    You were right.

    Something was wrong in Scketch 3. I did it again and no vertical edge.
    And draft was ok.

    There is another draft in a rib and I had to do it twice.

    And the other side.
    I do it in Inventor only once.
    Is it possible with OnShape?

    And is there concentric Hole? Using projecting edges or other geometry.

    I could finished the model.

    Thanks for you help
  • romeograhamromeograham Member Posts: 193 PRO
    For the draft on the rib, you can simply select both sides of the rib and you can do both sides of the rib in one feature:

    For the concentric hole, you can use the Hole feature, and select a sketch point, or the new Mate Connector feature for hole location:

    There is also an Offset tool in the sketcher that you could use to offset the edges of the hole from the outside of the post features:

    Good luck!
  • Miguel_GTMiguel_GT Member Posts: 8 EDU
    edited March 10

    Ok with draft on the rib.

    The last option for the hole was clear for me. In fact, I did it on the first sketch and then extrude-remove.

    The first option is the one I was looking for. A geometric reference on the solid with Mate conector.

    I like OnShape more and more.

    Thank you so much for all your help.

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