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IndustryArena Forum > MetalWorking Machines > Bridgeport Machines > Bridgeport / Hardinge Mills > threadmilling on a hardinge vmc600 need help
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  1. #1
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    Nov 2012
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    threadmilling on a hardinge vmc600 need help

    I'm trying to threadmill on our old hardinge vmc600 for the first time and having issues. Fanuc control.

    1/2-14 NPT
    304ss
    1/2 dia threadmill solid carbide 4 flute tapered
    I've tried a generated g-code from the guhring website and it gives me a 041 cutter comp alarm
    The program is using incremental, drops the threadmill in, turns comp on with a g3 move, then spirals out.
    I've never done any threadmilling before but really want to, especially for this tough pipe thread in 304ss.
    Can anyone give me some tips. We don't have cad/cam, I write all our programs.
    Thanks

  2. #2
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    Feb 2011
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    317

    Re: threadmilling on a hardinge vmc600 need help

    I have found that most of the cnc's that i have run they want to use a G1 move to set the comp and don't like to set the cutter comp with a G3 move
    post your code so that it can be looked at

  3. #3
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    Nov 2012
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    61

    Re: threadmilling on a hardinge vmc600 need help

    Thanks for the tip, I'll post the code when I have time at work today.

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