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IndustryArena Forum > MetalWorking Machines > Cincinnati CNC > Cincinnati Talon 208 w/ Acramatic 850 SX
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  1. #1
    Join Date
    Mar 2011
    Posts
    22

    Cincinnati Talon 208 w/ Acramatic 850 SX

    Hello, we have a problem with our spindle. This has the Siemens spindle drive. When try to stop the spindle, the drive will drop out, letting the spindle coast to a stop. We are running at 1000 rpm. According to the operator, this started after there was a fluctuation in voltage in the plant. thanks.

  2. #2
    Join Date
    Dec 2006
    Posts
    584

    Re: Cincinnati Talon 208 w/ Acramatic 850 SX

    It sounds like you have a bad braking resistor or circuit. Try to reduce the spindle speed in 250 rpm increments or less to 0 rpm. What error does the spindle drive have on it?? Send a pic of the spindle drive.

    MIKE http://cncmachinservices.com

  3. #3
    Join Date
    Mar 2011
    Posts
    22

    Re: Cincinnati Talon 208 w/ Acramatic 850 SX

    Thanks for your reply. This is a Siemens spindle drive (SIMODRIVE). We did try your suggestion about stepping down the rpm in increments, but it drops out regardless. e.i. 1000 to 800 rpm drive drops out. We get alrm F42 on the Simodrive, and Alarm # 14068 on the crt. The main problem we have besides the actual fault, is we don't have any manuals for this drive. Thanks.

  4. #4
    Join Date
    May 2014
    Posts
    16

    Re: Cincinnati Talon 208 w/ Acramatic 850 SX

    sounds like I have the same machine, I do have some manuals let me know what you might need and I can take a look.

    [email protected]

  5. #5
    Join Date
    Nov 2016
    Posts
    3

    Re: Cincinnati Talon 208 w/ Acramatic 850 SX

    Hello, after press the cycle start button i get an alarm "Cycle start inhibited". Please help me

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