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amccaffrey-210-Marble
10-Marble
September 16, 2016
Solved

How can I make a gear profile at the end of a plastic tube

  • September 16, 2016
  • 5 replies
  • 3702 views

I have a plastic tube, inner diameter 19.0 mm and the wall thickness is 3 mm. I wish to make a circular gear profile. Can anyone tell me how I go about this?

I'm using Creo2.


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Best answer by TomD.inPDX

Oddly enough your request is also a simple version of the crown gear.

This is a sinusoidal sweep using "trajpar" in the sweep sketch.

You can do something similar with evalgraph().

Creo 2.0 commercial version attached.

hint: when you modify the sketch in the sweep feature, take a look at the sketch's relations.

5 replies

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RonSt.Pierre12-Amethyst
12-Amethyst
September 16, 2016

Might want to review these threads

modeling gears - SUMMARY

Re: Where can I find a worksheet concerning spur gear calculation?

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DavorGranic16-Pearl
16-Pearl
September 16, 2016

If you are looking to make gear that will envelope that tube you can use trace curve.

Here is tutorial that shows that. Its not in english but you will understand just by looking at video.

Modeliranje zupčanika na osnovu linije sprezanja - YouTube

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TomD.inPDX17-Peridot
17-Peridot
September 16, 2016

Your talking about a crown gear at the end of the tube?

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    amccaffrey-210-MarbleAuthor
    10-Marble
    September 17, 2016

    My apologies guys. I gave some misleading information so I'll start again!

    I have two tubes that I wish to interlock end to end using a sort of gear profile so that the two tubes will revolve as one over a rod. It doesn't have to be a proper gear profile, just a series of 'vee' shapes but the profiles will be proud on one half and inset in the other half. When assembled end to end the proud profiles of tube 1 will sit in the inset profiles of tube 2.

    T
    TomD.inPDX17-PeridotAnswer
    17-Peridot
    September 17, 2016

    Oddly enough your request is also a simple version of the crown gear.

    This is a sinusoidal sweep using "trajpar" in the sweep sketch.

    You can do something similar with evalgraph().

    Creo 2.0 commercial version attached.

    hint: when you modify the sketch in the sweep feature, take a look at the sketch's relations.

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