DM2400 motor gears

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Thread: DM2400 motor gears

  1. #1

    Default DM2400 motor gears

    Tonight I removed the motor cover off the Z Axis to pull the drive card off and put new JTS connectors on in prep for the Gecko drive. Here is what I found, When I turned the motor shaft it turned freely no resistance and no up and down. I pulled the motor and found the small 10 tooth gear was loose on the shaft. I got an allen wrench and could not tighten the set screw. I ran a M4 tap down the hole and cleared some burrs off the treads and the set screw will now engage.My question is: Would the set screw be restricted to tighten all the way to the shaft in order to prevent a stripped plastic gear in the event of a crash? I wonder if it was manufactured like that and I have now caused a bigger problem.
    Thanks

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  2. #2

    Default Re: DM2400 motor gears

    I reread this and it wasn't clear. Obviously the set screw would have to be tight enough to engage the shaft. What I meant was the set screw would contact shaft only enough to allow it to shear in the event of a crash, thus saving the plastic 100 tooth gear.



  3. #3
    Member Fastest1's Avatar
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    Default Re: DM2400 motor gears

    No the gear would need to be tight to the steppers shaft. If the gears breaks, so be it.

    A lazy man does it twice.


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DM2400 motor gears

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