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IndustryArena Forum > MetalWorking Machines > Fadal > Spindle will not turn below 225 rpm
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  1. #1
    Join Date
    Jul 2016
    Posts
    6

    Exclamation Spindle will not turn below 225 rpm

    I'm having issues with a Baldor ( ZD18H220Y/D 15H 10K rpm) on my 1996 6030 Fadal. I suspect it is related to a low speed issue. The spindle will run and stop as normal, but I can't get the spindle to turn slower than 225 rpm. I first noticed the issue when it would not index for a tool change. I can see the lights on the controller alternating between fwd and rev while trying to index the spindle for a tool change, but the spindle doesn't move. Eventually it gives up and shows "Orientation Failure". I did replace the encoder on the motor and it didn't make a difference. I also tested the hall effect switch and it is working also. Any ideas?

    Thanks

  2. #2
    Join Date
    Apr 2005
    Posts
    1194

    Re: Spindle will not turn below 225 rpm

    Orientation factor is set in your SETP area but I dont think that will help you. Is this a new to you machine?
    We have had good luck with our Fadals milling mostly soft steel and aluminum up to 5 axis. We are always looking for spare parts If you have a broken down Fadal give a shout.

  3. #3
    Join Date
    Jul 2016
    Posts
    6

    Re: Spindle will not turn below 225 rpm

    I've had the machine since it was new. I did verify the orientation factor hasn't changed.

    I suspect it is the Baldor controller. I hoped that someone else had the same issue and it was less expensive fix than repairing or replacing the motor controller. Pratec charges $1100 plus parts, which I think is a bit high when I can buy a new upgraded controller for $2500.

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