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Thread: Pinions and Motor Shafts

  1. #1
    Join Date
    Feb 2015
    Location
    Alberta
    Posts
    109

    Default Pinions and Motor Shafts

    Powered up the bot and was checking it and noticed some play on the X1, X2 and Y motors.

    I knew the X2 was a little loose but was surprised that play developed in the other motors.

    It it common maintenance requirement to have to re-tighten the pinion set screws on to the motor shafts after x hours of operation?

    Thanks for your replies.

    James

  2. #2
    Join Date
    Sep 2006
    Location
    cnc routing, portland or
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    3,623

    Default

    my last set of pinions had smaller setscrews it made it harder to get them tight. locktite will fix it and a lot of tightening though the small annalen wrench needed now makes it harder.

  3. #3
    Join Date
    Feb 2015
    Location
    Alberta
    Posts
    109

    Default

    Knight_Toolworks;

    Bought the bot used and noticed when I re-mounted the X2 motor that there were lots of set screw marks on the shaft. Do you find that it's your experience that you need to tighten the set screws every so often?

    James

  4. #4
    Join Date
    Sep 2006
    Location
    cnc routing, portland or
    Posts
    3,623

    Default

    I did when I replaced them they all came loose. so some locktite and really working on them has take care of it. they used to be 1/4 -20 now they are 8/32 if I remember right.

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