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What is best for 3d print pulley? PETG, Nylon, Polycarbonate, ABS?


#42

Im printing pulleys in Nylon 100% infill. So far so good.

Ultimaker are about to release carbon fibre nylon in like 5 days and a new print core - cant wait to try that!


#43

Ok so 60teeth
Whats about the belt width and which whhels /hubs are you running?
Shoudl it look like the right gear on the picture?
If yes whats the diameter of the hole in the middle?
Kr


#44

I’m using 15mm belts set up for trampa hypa hubs.
I will eventually use those but right now I’m using something else.



Hence the four bolts the need for an adapter.


#45

Scratch that :grimacing:


#46

Dude you need to print at 100% infill.

Where are you I will print you some Nylon ones if you like?


#47

Yea I don’t think it’s the infill for petg. I don’t think you get best structural integrity with 100% infill anyway. I’ll need to make a setup to print in nylon.


#48

Yep! Nylon ftw. I always seem to have issues with PETG being brittle like this.


#49

Is this one of the press-fit designs that does not use screws?


#50

Ill be doing my bits in carbon fibre Nylon soon, should be even better


#51

Ha! I went through the same thing when I tried no-bolt pulleys with PETG. Had to pedal my board two miles.:sweat: Nylon has given me zero issues. Even the cheap stuff: https://www.microcenter.com/product/485160/175mm-natural-nylon-3d-printer-filament---05kg-spool-(11-lbs)


#52

I think Nylon is the way to go carbon fiber might be good as well.