Mine is very heavy. 1.4kg and it's fine. I get good Z movement. Better than many people. But I recommend something lighter if possible just so that it doesn't take too long to heat up. You might want to wait for the heated bed upgrade for the UM1. No idea when it will come out though. But the HB for the UM2 heats up almost as fast as the nozzle.
Mine takes 20 minutes. :(
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3dcase 37
Hi,
no heated bed expert all, but they seem to have a day off, so....
As an engineer i'd say, the rotation force for the motor should be no problem.
But I think you might reinforce the wooden plate where the motor is mount on.
And you want to make a separate bearing to take the (axial) load of the motor bearing(s).
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