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Extrude on a tapered surface

david_dugas
david_dugas Posts: 11 ✭
in Community Support

I am trying to make consistent depth splines on a tapered tube. I always end up with splines that are deeper on one end. How do I get the extrude to follow the tapered surface and not extrude perpendicular to sketch plane?

Best Answer

Answers

  • robert_scott_jr_
    robert_scott_jr_ Posts: 893 ✭✭✭
    Answer ✓

    Hello David. Here's one way. - Scotty

  • david_dugas
    david_dugas Posts: 11 ✭

    Scotty

    Thank you! Thats exactly what I was looking to do.

    David

  • david_dugas
    david_dugas Posts: 11 ✭

    Scotty

    As it turns out that didnt quite work the way I needed. On my part, the walls of the splines need to be defined by a sketch that is on the end faces of the tube. The spline walls need to be a radial extension with a fixed angle between them. The spline peaks and valleys also change width as they go from one face to the other.

    But your method sparked and idea that worked. I made a sketch on each face of the peak profiles with the desired angles and depths. Then I lofted them from face to face.

    https://cad.onshape.com/documents/b43f77e3c8e5214392cc76bb/w/2c7a39d40ef1a834ca410901/e/2a392b1995e7500e469c2f0f

  • robert_scott_jr_
    robert_scott_jr_ Posts: 893 ✭✭✭

    Glad something worked out. Got curious about your method so I copied the URL you posted and sent my browser there. Odd thing. New tab says Onshape but the page is completely blank; visually nothing there to suggest that it is a document. - Scotty

  • david_dugas
    david_dugas Posts: 11 ✭

    Sorry I didnt see this message.

    Not sure why its blank. I just followed it and everything opened OK.

    Re-pasted just incase.

    https://cad.onshape.com/documents/b43f77e3c8e5214392cc76bb/w/2c7a39d40ef1a834ca410901/e/2a392b1995e7500e469c2f0f

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