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Thread: Gear material
01-15-2017, 04:47 PM #11
- Join Date
- Apr 2015
- Northern Ohio
Might look into a worm gear translation. That will drop the speed of the final drive while letting the motor run in it's efficient range. I still think nylon is your best bet. It is produced with petrolium. When it heats up it emits an oil based self lubricating film. I wouldn't rely on material recomendations ftom unqualified individuals.
01-16-2017, 08:40 AM #12
And i wouldn't rely on recommendations from people called todd :-)
Is that enough tit for tat ?
Or do you want to continue the childish name calling and snide comments ?
Last edited by curious aardvark; 01-16-2017 at 09:31 AM.
02-14-2017, 11:06 PM #13
02-14-2017, 11:08 PM #14
03-07-2017, 02:23 AM #15
Unless the part is used in water or very moist environments, I advise nylon. As an amorphous polymer, TPU with its lower hardness will display much more fatigue over time and fail due to stress cracking. Compare TPU to a very hard bunch of spaghetti, while nylon has a more integral molecular structure that brings about its strength.
03-17-2017, 03:00 AM #16
- Join Date
- Feb 2017
take a look at ninjatek's new armadillo filament.
It's a super tough very rigid polyurethane based material, 90% more abrasion resistant than nylon and stiffer than abs with much better impact resistance.
I've just ordered a 10 metre sample to try out.
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