I am disappointed that on a printer only 2 weeks old that this has happened. Could the y-axis be excessively stiff placing too much of a load on the coupler, hence the working loose and final failure? What should I do next?
Thanks,
Barry.
caxton3d wrote:My new coupler arrived today.
The original coupler besides the clamping screws had set screws to locate on the flats on the motor shaft. The new coupler does not have these set screws. Are they necessary? Which is the more appropriate part?
I can only agree with the previous post about motor alignment. The motor is only located by it's screws. There are no dowels or any other means to ensure alignment. It is all a case of accurate assembly work.
I must admit that having looked at FDM 3D printers for some time many of them appeared to have been designed and built in someone's bedroom! The Raise did seem not to fall into this category, but the problem of motor alignment does illustrate that basic engineering techniques like those employed in CNC milling machines could have been adapted to improve the robustness of the printer.
Vicky@Raise3D wrote:We are so sorry about the problem you meet. For the previous 48-hour printing, does it show any abnormal on your model, such as wobbles, shiftings which may due to the misalignment of the coupler?
Shoot us a ticket, we will help check your problem and share warranty parts and instruction with you there.
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