First Layer Cal with PETG

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paynterf
Posts: 29
Joined: Wed Sep 25, 2019 2:42 am

First Layer Cal with PETG

Post by paynterf » Thu Jan 28, 2021 6:23 pm

I'm trying to do a first layer calibration using PETG and a PEI sheet. I selected the ABS temp range, as that seemed to be the closest available setting. Is there any way to do a first layer cal with custom temperature settings?

TIA,

Frank

jk42
Posts: 67
Joined: Mon Oct 09, 2017 5:19 pm

Re: First Layer Cal with PETG

Post by jk42 » Fri Feb 05, 2021 4:06 pm

Frank,
Currently there isn't a specific hot routine for PETG.
Your best bet is probably to do the cold calibrations.
I find, when using the feeler gauge, that "slight resistance" is a little too subjective.
I prefer to say definite resistance. It should'n't be so close that the hotend pinches or drags
heavily on the feeler gauge, but you want to have a healthy amount of resistance so that you're
close enough.

You may also want to check out the Knowledge Base article on Altering your start height manually.
https://makergear.zendesk.com/hc/en-us/ ... -M-Series-
~Jason from MakerGear

Sensei
Posts: 10
Joined: Wed Apr 27, 2016 2:51 pm

Re: First Layer Cal with PETG

Post by Sensei » Mon Jun 28, 2021 4:02 pm

Duplicate submitted somehow...
Last edited by Sensei on Mon Jun 28, 2021 4:04 pm, edited 1 time in total.

Sensei
Posts: 10
Joined: Wed Apr 27, 2016 2:51 pm

Re: First Layer Cal with PETG

Post by Sensei » Mon Jun 28, 2021 4:03 pm

I created a PETG Material Type in S3D. I have had great success printing at 230c nozzle & 90c bed. In fact, I can almost always print directly to the glass without the PEI sheet so long as there is a reasonable touch surface of the model. If the model has small touch points, a raft needs to be used or use the PEI sheet.

Try setting the first layer at 50-60%.

Gwhite
Posts: 300
Joined: Tue Jul 11, 2017 3:38 pm

Re: First Layer Cal with PETG

Post by Gwhite » Tue Jun 29, 2021 2:00 am

Who's PETG are you using? I have been using HatchBox, and 230C is about 10 degrees too low.

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