/diy/ - Do It Yourself

>>2609353
>turned the stock coupler into a spring
first of all that has to be supported on the top; it's not correct to be used like that because it doesn't constrain correctly on that axis. Technically your not supposed to rest the weight on the motor shaft either.
having said that, I used those crappy couplings to suspend boyh Y axes on my first CNC machine (wooden hot wire) which had Nema 23s running on 48v. You could see it stretching and compressing with every rapid move. I never borked it but I let some dumbass use my machine and when I got back it was a slinky.
>fugg D::::
if it's not supported on top, then toss the printer into the trash entire. Then take it out of trash and build a switchwire.
Seriously, the correct option is to elongate the stepper cutout by 3mm (make it a slot) and then extend the bracket with the brass nut also by 3mm. What a piece of shit. it IS constrained on the top of the leadscrew, right anon?>>
>pic
here's a thing I made out of TPU, a bit undersized and only uses 2g so I'm reprinting it. There's probably some risks associated with using TPU for cable glands and stuff (not flame retardant etc.) but in this case it's gonna cause better results than the alternative.