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Thread: Fanuc 30iM G76

  1. #1
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    Question Fanuc 30iM G76

    Has anyone ever seen this? We used a left handed boring bar to finish bore 2 holes with G76. Left handed bar was all that was on site. After we did the first hole with M04 the machine automatically reversed the spindle (without m03) to cut the 2nd hole. Nothing about this is in the parameter manual. We corrected this by adding M04 to the second line.

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    This is normal for G76. It starts spindle CW in the end.
    There might be a parameter to control this. I will search for it whenever I get time.

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    What is stored in 5112 and 5113?

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    Both are zero

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    Actually, these parameters are for a lathe.
    I do not think the behaviour of G76 can be changed. Could not find any relevant parameter.

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    Me either. Thanks for trying.


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