antonio.g4
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Bondtech gears and TPU

Apr 14, 2018 10:41 pm

Hi guys,

so now with the upgrade we finally got the praised gears by bondtech, but are these really helpful for TPU printing?
can we really print faster now? :oops:

I tried a random print at 40mm/s and got a semi-jam

am I doing something wrong or with the new gears a slow speed is needed anyway? :mrgreen:
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joan.t
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Re: Bondtech gears and TPU

Apr 14, 2018 10:56 pm

try the Flex profile,
works for me on the Mk3

with Sainsmart TPU

I find that the cooling is a bit low for short layer times so if my model has small layers I increase the cooling and slow the print speed.

regards Joan
I try to make suggestions that I believe to be well founded and safe,You should understand the context and ensure you are happy that they are safe before attempting to apply my suggestions,
what you do, is YOUR responsibility.

antonio.g4
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Re: Bondtech gears and TPU

Apr 15, 2018 9:26 am

thank you for your reply

indeed I wanted to push the speed a bit.
right now i can't check the flex profiles, but i managed to print succesfully with 30mm/s speed overall, 0.1mm retraction in order to have a sort of wipe, but it is not very effective obviously.
i'll experiment further... :D
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eric.k4
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Re: Bondtech gears and TPU

Apr 16, 2018 7:39 pm

antonio.g4 wrote:
Apr 15, 2018 9:26 am
thank you for your reply

indeed I wanted to push the speed a bit.
right now i can't check the flex profiles, but i managed to print succesfully with 30mm/s speed overall, 0.1mm retraction in order to have a sort of wipe, but it is not very effective obviously.
i'll experiment further... :D
Usually leave all speeds the same, outer wall, inner wall, infill etc... same speed. disable retract. increase travel speed for ooz issues. disable LA since it might not be much use anyway... or try a super high value, i've never tested it before on flexible.

antonio.g4
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Re: Bondtech gears and TPU

Apr 21, 2018 8:45 pm

eric.k4 wrote:
Apr 16, 2018 7:39 pm

Usually leave all speeds the same, outer wall, inner wall, infill etc... same speed. disable retract. increase travel speed for ooz issues. disable LA since it might not be much use anyway... or try a super high value, i've never tested it before on flexible.
all the speeds the same as the flexfill profile, or you mean same speeds as pla for example?

i guess the majority of my issues with the TPU is that the filament measures 1.5mm actually, so maybe it's too thin and jam in the gears..
unfortunately is my unic tpu filament at the moment
Parlo italiano!

antonio.g4
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Re: Bondtech gears and TPU

Apr 21, 2018 8:55 pm

by the way, i guess i posted this topic here wrongly.
this thread should stay in troubleshooting section
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eric.k4
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Re: Bondtech gears and TPU

Apr 23, 2018 6:59 pm

antonio.g4 wrote:
Apr 21, 2018 8:55 pm
by the way, i guess i posted this topic here wrongly.
this thread should stay in troubleshooting section
the forum is going through changes so it's probably just here because that's where they left it.

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