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Thread: Doosan M91

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  1. #1

    Join Date
    Dec 2019

    Doosan M91

    Hello, I am working on modifying a Fusion post for my Hyundai lathe by starting with a Doosan/Fanuc post which seems to be close. I'm now stuck on trying to figure out what M91 is used for on a Doosan. My machine doesn't like the code, some I'm trying to find it and delete from my post with no luck so far. All I can find so far is it's used as an extra M code specific to the machine. Thanks in advance, Dan

  2. #2
    Join Date
    May 2007

    Re: Doosan M91

    We have an older Doosan Lynx (210LSY ?...not at work) and M91-M94 is available on that lathe. The last 3 Doosans list M91 through M94 as External Commands. I can't use them. I assume Doosan has reserved them for their use. I started using M91-M94 over 30 years ago on Hardinge lathes for their Safe Index programs for main and sub spindles. I use the same programs on our Daewoo/Doosan lathes. I changed the commands to M691-M694 on the new lathes. I set them in parameters 6071-6074 which call program O9001 through O9004.

    Can't help with your post. I've only used MasterCam. Hopefully someone with Fusion experience will come along and solve your problem. Good luck.

  3. #3
    Join Date
    Nov 2007

    Re: Doosan M91

    Laser Tool breakage detection on and then off

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