Setting part zero in center of round parts.

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Thread: Setting part zero in center of round parts.

  1. #1
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    Default Setting part zero in center of round parts.

    I'm fairly new with CNC and curious as to any tricks others have to setting part zero in a round part. On my Bridgeport mill I could find an edge and set zero and then find the other side and had a button on the DRO to divide that new number in half and then set it as zero. Then repeat the process for the other axis. I find I have to do a lot of external calculations to do the same things on my Ultimax control.

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  2. #2
    Member BlueChip's Avatar
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    Default Re: Setting part zero in center of round parts.

    I would say the most common method would be to mount a dial / coaxial indicator in the spindle ... in a collet ... clamped to a tool holder ... whatever ... and sweep the round part.
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    Member Kenny Duval's Avatar
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    Default Re: Setting part zero in center of round parts.

    Depends on how much precision you need. I have better results when flipping parts swinging and centering via an indicator. I have a 3d taster but my results of hitting concentricity on a flipped round part for the second OP has been less than stellar with it.



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Setting part zero in center of round parts.

Setting part zero in center of round parts.

Setting part zero in center of round parts.