Need Help! Can I face off a round bar from the outside in with a spiral?


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Thread: Can I face off a round bar from the outside in with a spiral?

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    Default Can I face off a round bar from the outside in with a spiral?

    With cambam it's very easy to face off round bar stock (held vertically) by using the pocket method. This produces a nice spiral from inside to outside.
    But to cut down the vibration of the tool entering the piece, I'd like to use a nice spiral from the outside to in. Starting the spiral from outside the round face and entering from outside.

    How can I acheive this? I have the outside to inside part kludged by using a 0.1mm circle which I'm profiling using a 15mm cut width and negative roughing clearance. But it's concentric circles with a straight move in between each which impacts surface finish. I'd prefer to have an ever decreasing spiral.

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    Default Re: Can I face off a round bar from the outside in with a spiral?

    Could you draw a spiral then just have the cutter follow that?
    (It well may not be possible... just a thought not backed by any experience since I've only used the software once, LOL.)

    Q: How many tools does it take before a simple task becomes a project?
    A: Just one. I'm the Tool that turns a simple task in to a project.


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    Default Re: Can I face off a round bar from the outside in with a spiral?

    That is one solution, but I'm not sure how to draw a spiral in that software.

    Last edited by Dougal; 04-23-2014 at 07:12 PM.
    My X2 CNC Brain Build: http://www.cnczone.com/forums/showthread.php?t=61345
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    Default Re: Can I face off a round bar from the outside in with a spiral?

    Just right click on the drawing, select Draw, then More. That should bring up several selections. Flat spiral is the one you want.

    At least that's the way it works here.



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    Default Re: Can I face off a round bar from the outside in with a spiral?

    Quote Originally Posted by Lexx0001 View Post
    Just right click on the drawing, select Draw, then More. That should bring up several selections. Flat spiral is the one you want.

    At least that's the way it works here.
    Brilliant, thanks. I'd never seen that option before.

    My X2 CNC Brain Build: http://www.cnczone.com/forums/showthread.php?t=61345
    Gecko G250 wiring errors: http://www.cnczone.com/forums/showthread.php?t=68960


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    Default Re: Can I face off a round bar from the outside in with a spiral?

    Thanks, I think at one time it was part of the plugins.



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Can I face off a round bar from the outside in with a spiral?

Can I face off a round bar from the outside in with a spiral?