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TPU bearing holders on Y-Carriage - Possible?  

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UFO
 UFO
(@ufo)
Active Member
TPU bearing holders on Y-Carriage - Possible?

Hello,

I will upgrade the bearings on my Prusa MK3S to Misumi and will also change the U-clamp with a printed bearing holders on the Y-carriage.

Now, would it be a good idea, to print the 3 holders in TPU 98A hardness with 100% infill. The part would be pretty hard, but would still absorb some vibrations.

Is this a good idea, or would it be better to print the holders in PETG or ASA?

Thanks.

Posted : 13/04/2020 8:45 am
Bunny Science
(@bunny-science)
Noble Member
RE: TPU bearing holders on Y-Carriage - Possible?

I would worry about the TPU soften too much during operation. Remember the Y-carriage below the head bed also gets pretty hot during printing.

Posted : 13/04/2020 10:41 am
vintagepc
(@vintagepc)
Member
RE: TPU bearing holders on Y-Carriage - Possible?

What Guy said. I experimente with PLA bearings at one point (sleeve inserts in metal shells) and they didn't last for that reason; they seized up after a few PETG prints just from ambient heat.

Posted : 13/04/2020 1:03 pm
UFO
 UFO
(@ufo)
Active Member
Topic starter answered:
RE: TPU bearing holders on Y-Carriage - Possible?

OK thanks, I would then print the holders in ASA.

Posted : 13/04/2020 1:23 pm
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