Dolly: Problems printing PETG

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larry104
Posts: 8
Joined: Mon Dec 25, 2017 1:15 am

Dolly: Problems printing PETG

Post by larry104 » Mon May 14, 2018 5:49 pm

Hi,
I'm trying to print PETG (eSun) on my Dolly using 245C/60C - Towards the end of the print it seems the filament starts curling up when working on the rectangular columns (ref Fusion 360 view) - Does anyone know why this is happening?
Photo May 14, 08 40 32.jpg
Photo May 14, 08 40 32.jpg (1.28 MiB) Viewed 624 times
btw/ I upgraded the hotend to a E3D All-metal v6 HotEnd (the cheap China version broke) and upgraded the motor drivers to TMC2130 drivers.

larry104
Posts: 8
Joined: Mon Dec 25, 2017 1:15 am

Re: Dolly: Problems printing PETG

Post by larry104 » Mon May 14, 2018 5:56 pm

I'm just looking more carefully at the printed part and it looks the hotend is smashed into the part - maybe a Slir3r problem??

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Moorviper
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Location: Hessen/Rhön - Germany
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Re: Dolly: Problems printing PETG

Post by Moorviper » Mon May 14, 2018 6:17 pm

how much infill do you use.

Stefan
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Joined: Thu Jun 15, 2017 12:46 am

Re: Dolly: Problems printing PETG

Post by Stefan » Mon May 14, 2018 7:25 pm

Slow down the print by requiring a minimum layer time?

larry104
Posts: 8
Joined: Mon Dec 25, 2017 1:15 am

Re: Dolly: Problems printing PETG

Post by larry104 » Mon May 14, 2018 9:16 pm

I use 20% infill

larry104
Posts: 8
Joined: Mon Dec 25, 2017 1:15 am

Re: Dolly: Problems printing PETG

Post by larry104 » Sat May 19, 2018 10:15 pm

I found the problem - the TMC2130 driver of the Z-Axis was bad - I replaced it with initial A4988 driver and now it prints fine.

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