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Thread: Hardinge HC -wiring diagram-elect prob

  1. #1
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    Hardinge HC -wiring diagram-elect prob

    Took delivery last week of HARDINGE HC CHUCKER serial # HC4172-P
    with wiring diagram # CHE 8220. Machine is 1.5hp, 60 hertz, 3phase,
    220, w/ 3phase 1740 GE spindle drive motor. Machine is supposed to
    be 1984 vintage but I cant say for sure.

    A. Does anyone have the wiring diagram ? CHE 8220
    The machine came with the parts list and a sales brochure
    that dates from the 1980s.

    B. Are any other manuals available ?
    This is new ground for us. I can tell there are
    some real old pros reading this site, we are teachable.

    C. We just plugged it in and the machine ran for about
    2 minutes The lathe was turning in the proper direction
    ...we all think....but the carriage ran slowly then
    the machine stopped cold. Would like to have that wiring diagram
    so we can find our way.

    Thanks to all.

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  2. #2
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    Don't have a wiring diagram but these may help:

    http://igor.chudov.com/manuals/Hardinge/

    I did a motor swap on mine and bypassed all of the electronics.



  3. #3
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    Quote Originally Posted by hrdg4me View Post
    Took delivery last week of HARDINGE HC CHUCKER serial # HC4172-P


    C. We just plugged it in and the machine ran for about
    2 minutes The lathe was turning in the proper direction
    ...we all think....but the carriage ran slowly then
    the machine stopped cold. Would like to have that wiring diagram
    so we can find our way.

    Thanks to all.
    Sounds like you blew a fuse. I had a similar issue with mine. I found the insulation for the wiring of the carriage motor had deteriorated and was shorting out. You might try disconnecting it and using a breaker soldered across the fuse. I blew a couple $10 fuses trying to figure out where the fault was . I rewired the motor and don't blow the fuse for the spindle motor.

    There is a switch inside the power cabinet for the speed control. Leave it off until you're sure the spindle is rotating counterclockwise. Mine doesn't seem to control the speed so some investigation is needed. I will probably end up with a VFD



  4. #4
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    You can also order schematics from Hardinge for your exact date machine.



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