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IndustryArena Forum > CNC Electronics > Spindles / VFD > 5.5 kw ATC spinde not turning
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  1. #1
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    5.5 kw ATC spinde not turning

    Hi...was running spindle and the went to turn on again and it will not move easy...Bearings??..or is there any possibility brake is stuck on??

  2. #2
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    Re: 5.5 kw ATC spinde not turning

    Quote Originally Posted by paragon61 View Post
    Hi...was running spindle and the went to turn on again and it will not move easy...Bearings??..or is there any possibility brake is stuck on??
    Have you set the correct VFD Drive Parameters to the Spindle specs, they don't have a Brake

    Did you activate the tool changer (air control) while it was running if so, you will have damaged the tool release piston as it can weld itself together
    Mactec54

  3. #3
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    Re: 5.5 kw ATC spinde not turning

    Quote Originally Posted by mactec54 View Post
    Have you set the correct VFD Drive Parameters to the Spindle specs, they don't have a Brake

    Did you activate the tool changer (air control) while it was running if so, you will have damaged the tool release piston as it can weld itself together

    Hi..Thanks for reply...no .the air was not activated but I was running it for a while in an upside down position...we had a cut that had to be made that way...do it a bit with our air cooled spindle but this is first time with this one...tool holder was a bit difficult to get out but it didi come..if it is welded is that the end of spindle?...fixable?

    Thanks again,
    Rick

  4. #4
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    Re: 5.5 kw ATC spinde not turning

    Quote Originally Posted by paragon61 View Post
    Hi..Thanks for reply...no .the air was not activated but I was running it for a while in an upside down position...we had a cut that had to be made that way...do it a bit with our air cooled spindle but this is first time with this one...tool holder was a bit difficult to get out but it didi come..if it is welded is that the end of spindle?...fixable?

    Thanks again,
    Rick
    If you did not have the air on, then it must be something else, it would not be that part of the Tool changer

    Did the spindle overheat???

    Did you have the water-cooling working???

    Have you set the correct VFD Drive Parameters???
    Mactec54

  5. #5
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    Re: 5.5 kw ATC spinde not turning

    Quote Originally Posted by mactec54 View Post
    If you did not have the air on, then it must be something else, it would not be that part of the Tool changer

    Did the spindle overheat???

    Did you have the water-cooling working???

    Have you set the correct VFD Drive Parameters???
    Has been running for a year no problems so i am thinking parameters ok...water cooling was on and water was warm but not hot...it was working hard...bearing was beginning to make a little noise..maybe this was its end...i looked for how to replace but really could not find much for that type of spindle....thanks again for help!!

    Rick

  6. #6
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    Re: 5.5 kw ATC spinde not turning

    Quote Originally Posted by paragon61 View Post
    Has been running for a year no problems so i am thinking parameters ok...water cooling was on and water was warm but not hot...it was working hard...bearing was beginning to make a little noise..maybe this was its end...i looked for how to replace but really could not find much for that type of spindle....thanks again for help!!

    Rick
    You did not say it was in use for a year, then yes it most likely needs a service which could well be in need of new Bearings, they are quite easy to take apart, you need to use the correct custom wrenches, which you will have to make in most cases, so you don't damage any of the rotating parts, you start at the top, just be careful with the wiring and sensors and note the sensor positions, the main Spindle Nuts at the top may be left-Hand Thread
    Mactec54

  7. #7
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    Re: 5.5 kw ATC spinde not turning

    Quote Originally Posted by mactec54 View Post
    You did not say it was in use for a year, then yes it most likely needs a service which could well be in need of new Bearings, they are quite easy to take apart, you need to use the correct custom wrenches, which you will have to make in most cases, so you don't damage any of the rotating parts, you start at the top, just be careful with the wiring and sensors and note the sensor positions, the main Spindle Nuts at the top may be left-Hand Thread
    OK..Thanks..I am glad it is relatively easy...the main problem is that I have not seen it done so I will be careful..it will probably be a week or so till I can get to it..Are you aware of any pics of that type spindle being worked on..I could not find any..

    Thanks again so much for your time and help..it is greatly appreciated!!

    Rick

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