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  1. #1
    Join Date
    Apr 2008
    Posts
    20

    Mazak ST40N Gear selection

    Hi,
    We have a ST40N with a three speed gearbox.
    However whatever we program, big dia, small dia the machine always seems to select high gear.
    We can change gear in manual mode fine and change gear in mazatrol with an M code
    however as soon as it starts a machining unit high gear gets selected?
    Anyone help

    Cheers

    Andy

  2. #2
    Join Date
    Aug 2016
    Posts
    2

    Re: Mazak ST40N Gear selection

    I realise this is extremely late reply but anyway for anyone else
    The gear range is selected in the TPC data.
    You can set for roughing and finishing

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