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IndustryArena Forum > MetalWorking Machines > Cincinnati CNC > Cincinnati Arrow spindle motor issue
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  1. #1

    Cincinnati Arrow spindle motor issue

    I have an Arrow 1000 with the black Cincinnati Milacron drives. The problem happens when I turn the Spidle on at rpm range of 3000 or higher. I get the Alarm: Axes Drive ready signal missing and the machines power to the drives are not enabled any more. There are no faults shown on any of the drives. If I enable the power again and tell it to run 1000 RPM, the spindle will run. So basically I cannot run high RPM without the machine tripping out. I have swapped out the power supply and spindle drive with known good drives and it is the same results.

    Has anyone had this same issue or know of a component that would cause this problem?

  2. #2
    Registered
    Join Date
    Dec 2013
    Posts
    9

    Re: Cincinnati Arrow spindle motor issue

    I just had that error (Drive Ready Signal Missing). Replaced the I/O board and it's good as new.

  3. #3

    Re: Cincinnati Arrow spindle motor issue

    Thank you Chopsmitty! That was the fix!!

  4. #4
    Registered
    Join Date
    Sep 2009
    Posts
    15

    Re: Cincinnati Arrow spindle motor issue

    Dear Precisionatl,

    How did you manage to fix this?

    I have recently purchased an Arrow 500 from the US and brought it into my factory in India. I've got the machine running, but if I try to exceed 2000 RPM on the spindle the system gives the same alarm as you were facing and the machines stops working.

    Any advice would be appreciated! Thanks in advance!

    Best regards
    Jaideep

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