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  1. #1
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    Oct 2007
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    4

    Fanuc EDM Alpha-OC Reference Return

    Hi all,
    I am learning to use my recently acquired 1998 Fanuc Robocut Alpha-OC, and am stumped !!
    After having read the entire operators manual, I am still unable to zero the axes to get the system moving under program control.
    Please someone tell me how to do a reference return.
    All help is appreciated.

  2. #2
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    Nov 2011
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    12
    hi Frinkdaddy1
    check the maintenance manual Sect II Part 7 "setting the machine zero point"

  3. #3
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    Oct 2007
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    4
    Thank you sir, that's exactly what I did last night. Apparently the servo pulse coders lost power at some point in time and forgot the reference point coordinates.
    I should have the machine up and running tonight. Initially when I thought reference return, I was thinking Fanuc OT and was looking for a (ref) button to push.
    Regards,
    F1

  4. #4
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    Oct 2010
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    8

    Re: Fanuc EDM Alpha-OC Reference Return

    Quote Originally Posted by frinkdaddy1 View Post
    Thank you sir, that's exactly what I did last night. Apparently the servo pulse coders lost power at some point in time and forgot the reference point coordinates.
    I should have the machine up and running tonight. Initially when I thought reference return, I was thinking Fanuc OT and was looking for a (ref) button to push.
    Regards,
    F1
    I'm assuming you figured this out, but I have a printout I got from Methods Machine that gives step by step directions on how to do the reference return. If this would help anyone out I can scan them and upload.

  5. #5
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    Oct 2007
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    4

    Re: Fanuc EDM Alpha-OC Reference Return

    Hello wdevine,
    I did finally figure it out, after reading the Fanuc manual about twenty times.
    It seems that something is lost in the translation from Japanese to English.
    I would be very interested in Methods' translation, just for my own records.
    Thanks,
    F1

  6. #6
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    Oct 2010
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    8

    Re: Fanuc EDM Alpha-OC Reference Return

    Ask, and ye shall receive. PDF should be attached.
    Attached Thumbnails Attached Thumbnails FANUC HOME SET.PDF  

  7. #7
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    Oct 2007
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    Re: Fanuc EDM Alpha-OC Reference Return

    Fantastic,
    So much easier to understand.
    Thanks so much.

  8. #8
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    Join Date
    Jul 2015
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    1

    Re: Fanuc EDM Alpha-OC Reference Return

    Dear frinkdaddy1!

    What diameter is the adjustment nozzle? I read the Method document, and i don't see the diameter of the adjustment nozzle.

    Thanks

    tibi1

  9. #9
    Member
    Join Date
    Feb 2020
    Posts
    2

    Re: Fanuc EDM Alpha-OC Reference Return

    Hello,
    I've made a mistake and I set the machine coordinate in the lowest point and now i cannot move it on Z+. How I can change the absolute coordinate to 0?
    Thanks

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