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Loft tool and Remove

IsoThermIsoTherm Member Posts: 66 PRO
in Drawings
Greetings,

For your consideration and suggestions:

 Ok, here I have a solid that was created using the revolve tool.
Now I want to use the loft tool to cut a vane from inside. I have two profiles in one drawing and a spline path that is projected from the sketch below.

      If I use the loft tool in Add mode without the part shown, I get this. So far so good.

  With the part shown and used as a merge tool, but still in Add mode

  Now in Remove mode. What did I do wrong? I've tried this about seven ways and wind up in the same place each time.

Thanks,
Isotherm
Tagged:

Best Answer

  • IsoThermIsoTherm Member Posts: 66 PRO
    Answer ✓
    got it figured out. I needed to start the cut profile beyond the hard edge.

Answers

  • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 5,688
    Can you share it ?
    Senior Director, Technical Services, EMEAI
  • mahirmahir Member, Developers Posts: 1,307 ✭✭✭✭✭
    @IsoTherm, looks like you might have some line to line geometry. CAD doesn't do well with overlapping surfaces and knife edges.
  • IsoThermIsoTherm Member Posts: 66 PRO
    Greetings,

    For your consideration and suggestions:

     Ok, here I have a solid that was created using the revolve tool.
    Now I want to use the loft tool to cut a vane from inside. I have two profiles in one drawing and a spline path that is projected from the sketch below.

          If I use the loft tool in Add mode without the part shown, I get this. So far so good.

      With the part shown and used as a merge tool, but still in Add mode

      Now in Remove mode. What did I do wrong? I've tried this about seven ways and wind up in the same place each time.

    Thanks,
    Isotherm
    Tagged: 

      Leave a Comment

    • IsoThermIsoTherm Member Posts: 66 PRO


      https://cad.onshape.com/documents/66cce4f0bbb0283c15e6e72b/w/bc8924ea6ab6e27b2f023eef/e/b5ee68611e35574481db2156
    • IsoThermIsoTherm Member Posts: 66 PRO
      If you dig into it you'll find a 2D and a 3D spline. I tried both and got the same result.
    • IsoThermIsoTherm Member Posts: 66 PRO
      Here's what I get when I intersect. This is what I want to remove from the body of the part.


    • IsoThermIsoTherm Member Posts: 66 PRO
      Answer ✓
      got it figured out. I needed to start the cut profile beyond the hard edge.
    • NeilCookeNeilCooke Moderator, Onshape Employees Posts: 5,688
      You can also create the vane as a separate part (new), use move face to extend the profile past the hard edge, then use Boolean / Subtract.  
      Senior Director, Technical Services, EMEAI
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