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    Daniel
    Mar 01, 2021

    I can not connect the J2 Motor to the robot

    in Questions

    Hello, I am writing in this forum because I have run into a roadblock while building the AR3 robot, and was wondering if anybody has suggestions.


    I assembled the J2 motor, and in the next step I had to connect it to the robot by sliding the J2 motor shaft into the J2 spindle. However the motor assembly is not able to be fully inserted through the J2 turret housing, and as a result I was not able to secure the J2 motor base plate to the J1 base platform. I used lubricant to try to get the motor assembly to fit through the J2 turret housing, and even put the assembly in the freezer for 30 minutes, and also used sander paper to smooth the shaft of the J2 motor. None of those methods worked, so I was wondering if I maybe misunderstood something or am doing something wrong?


    If anyone answers this I greatly appreciate it

    1 answer0 replies
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    Sert Engineering
    Mar 09, 2021

    I have had same issue and made same mistake as sanding shaft down or sanding the key to fit in spindle. my issue was spindle wasn’t cut correctly. Check your spindle dimensions. or send me your email address so I can send you couple of videos I took before to make sure we had same issue.

    I m planning disassemble the unit since I have a lot gap occurred between shaft and spindle :(

    planning to disassemble and splice the shaft and put threaded hole. So I can reach from otherside and expand the shaft instead Of using set screws to hold that connection. I believe that s gonna be more secure and robust connection.

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