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Bad y axis stepper motor?

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  • Bad y axis stepper motor?

    I was machining a jig out of poplar with 1/16" passes when I noticed the machine clicking at regular intervals in sync with the y axis movement. I shut the machine down, then got under it to see if the noise was in sync with the rack and pinion gear. It was not, but it was exactly in sync with the motor gear.

    I took the motor off and rotated its shaft. It sticks on the same spot, very hard to turn, every rotation. I have some nema 34 motors on hand that are no where near as hard to turn, so I believe there is an issue with this motor.

    Anyone else have a similar experience or can offer a solution? I'll probably call and order another motor on monday.
    Last edited by kt88saturate; 05-15-2021, 03:11 PM.
    sr-24 w/ gantry lift, FTC, 1kw spindle
  • #2

    You really need to give tech support a call. It might be something simple.
    Camaster Stinger 1 with Recoil (2019)
    1hp Spindle
    Laser crosshair
    Wireless Pendant
    Aspire 10.5


    • #3

      Make sure the set screw that holds the gear up onto the shaft is all the way in and the gear is engaged properly. I had a screw come loose and it made contact with the rail every rotation so it made a clicking noise.
      4'x8' Stinger IV w/ 4.2 hp spindle and 4 tool ATC
      Mister system
      Phenolic Vac table
      Hurricane Vac
      Vcarve Pro 10

      Catholic school IT director, wannabe woodworker, Krav Maga instructor, and CNC enthusiast


      • #4

        Just as a follow up, support sent out a motor right after this and the machine has made a couple guitars since may.
        sr-24 w/ gantry lift, FTC, 1kw spindle