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ptc-59113031-Visitor
1-Visitor
August 1, 2014
Solved

Helical sweep thread problem

  • August 1, 2014
  • 15 replies
  • 5895 views

screw.png

If any body could help me to find a reason for why the thread profile goes all skewed.


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Best answer by dschenken

Make the part accuracy smaller - relative to the thread depth the pitch is almost non-existent, suggesting this is a small feature relative to the part.

15 replies

TomD.inPDX17-Peridot
17-Peridot
August 1, 2014

Nice one

Try making it a surface rather than a remove material and see what the origin is following.

You can post the file in the advanced editor and we can have a look.

ptc-59113031-VisitorAuthor
1-Visitor
August 1, 2014

Hello thanks for your offer to help really appreciate it, as whats happened here has completely baffled me.

TomD.inPDX17-Peridot
17-Peridot
August 1, 2014

I hate that! All that trouble just to have it be an education version I cannot open these.

dschenken1-VisitorAnswer
1-Visitor
August 1, 2014

Make the part accuracy smaller - relative to the thread depth the pitch is almost non-existent, suggesting this is a small feature relative to the part.

    TomD.inPDX17-Peridot
    17-Peridot
    August 1, 2014

    The pitch is 1.5 so it is not that small.

    There is something wrong with a reference.

    Never had a helical sweep do that to me.

    dschenken1-Visitor
    1-Visitor
    August 1, 2014

    Pitch as a function of the thread diameter. The threads are almost vertical - 1:50 or less.

    This looks like the advance of a microscope thread or small ratio of advance to diameter.

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