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IndustryArena Forum > MetalWorking > General MetalWork Discussion > Sanity check: CNC mill with DRO.
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  1. #1
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    Sep 2015
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    11

    Sanity check: CNC mill with DRO.

    Hi all:
    About a year ago I purchased a PM-728-VT Ultra precision mill. I also installed a DRO
    so I could do some work while I collected all the CNC items for it.
    I installed a Centroid Acorn system with Clearpath servos
    and have it running. I highly recommend this system.
    My question is, should I keep the DRO? it's allways
    1 or 2 thou off from the CNC display. But it does give me
    an idea if everything is working ok. It is a cheap Chinese DRO
    I may be able to calibrate to the CNC. I may give it a try.
    Anyone have set up like this??

    Any advice appreciated.

    RonL

  2. #2
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    Jan 2008
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    1267

    Re: Sanity check: CNC mill with DRO.

    What do you mean by 1 - 2 thou off?

    Difference in travel measured? Over what distance?

    You won't do any harm by having a DRO sitting there. Not sure it does you much good though.
    7xCNC.com - CNC info for the minilathe (7x10, 7x12, 7x14, 7x16)

  3. #3
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    Sep 2015
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    11

    Re: Sanity check: CNC mill with DRO.

    Sorry, 1 to 2 thou off over 10"

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