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IndustryArena Forum > CNC Electronics > Spindles / VFD > Takisawa lathe with fuji spindle drive issue
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  1. #1
    Join Date
    Jan 2010
    Posts
    321

    Takisawa lathe with fuji spindle drive issue

    Hello
    We have a lathe with a fuji spindle drive. We noticed one day the braking resistors on top of the elect cab glowing red hot while the machine was making parts.

    We shut it down then started it the next day. Ran fine for a few months then glowing red hot again and now spindle drive will not power up at all.
    We turn the ot fanuc cnc on and get not ready on the screen.
    Drive it completely dead.
    Anyone have a clue where to look?
    Drive model is FMD-15AU-21 11/15kw.
    Cheers

  2. #2
    Join Date
    Dec 2013
    Posts
    39

    Re: Takisawa lathe with fuji spindle drive issue

    Please check the input fuse of drive , than breaking resistor , and control voltage if all are ok , than check the scr module , alarm is of spindle or E stop ?

  3. #3
    Join Date
    Jan 2010
    Posts
    321
    Quote Originally Posted by metalcutting View Post
    Please check the input fuse of drive , than breaking resistor , and control voltage if all are ok , than check the scr module , alarm is of spindle or E stop ?
    Correct. The alarm 'not ready' is same as having estop pressed.
    I assume the not ready is due to the spindle drive not powering up.
    Will look to check these items and advise the outcome

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