Shop Talk - Tips for Printing PETG!
In this episode, we will be talking about how we print PETG (see more here: https://amzn.to/2yWrpOH ) and share our tips with you guys! As one of the things we like to do is dedicate printers to filaments (i.e. TPU, PETG, ABS and Nylon) and in this case we used the JGAURORA 3D Printer A5S (see more here: https://amzn.to/3d6yE5q ) as we like the 24 volt power supply, dual Z-Axis, and over all stable (which is important) for this style of plastic.
Air Quality Video for PETG: https://youtu.be/ZMrDnAagglw
Tip #1: Allow the hot-end some extra space (gap) ~0.1mm or so works well as you do not want to forcibly press the heated plastic down like with other plastics.
Tip #2: For a print surface we like either Blue Painters Tape (see more here: https://amzn.to/2Wg1Rnp ) for a high quality finish. Or we will use Purple Glue Sticks (see more here: https://amzn.to/2Ss4dhU ) as release agent for a knock off build-tek bed (see more here: https://amzn.to/35lzusd ). Other wise you will likely damage the print surface as well as the part.
Tip #3: Print with the bed HOT, I like 87c and I know many might say different. This is where I have found success especially with larger parts and open frame printers.
Tip #4: Print at the higher temps as I typically use 240c at the hot as PETG is a viscous plastic and it takes a lot to push it through the hot-end. In short heat helps flow and needs to be matched with speed. Also I can not say enough good about Capricorn Tubing (see more here: https://amzn.to/3f2fkrA ) for PETG.
Tip #5: Retraction, we are using 6.5mm at 50mm/sec with the Capricorn Tubing (see more here: https://amzn.to/3f2fkrA ) as well as tuning the movement of travel to reduce oozing in the slicer.
Tip #6: Slicers make a difference, I have had repeatedly poor results from CURA yet repeatedly good results from the KISS slicer on the same model. I believe the reason for this is the way the slicer implements the GCode is what creates this difference.
Tip #7: Print slower, as mentioned PETG is more viscous then other plastics so there is a STRONG relationship between speed and temperature. Here we typically print at 40mm/sec (Average) which some might think is slow, however the focus here is quality and the faster go, the lower quality you will see.
Tip #8: Nozzle size matters as we have found the best quality is achieved with a 0.4mm nozzle. Of course the larger the nozzle, the less detail however PTEG unlike PLA doesn't seem to react proportionately most likely due to the fact that PETG is not pressed down as other plastics are.
Again, PETG (see more here: https://amzn.to/2yWrpOH ) is an amazing plastic and with a few tips and tuning you too can get high quality results!
Want to see what we are up to daily? Check out our regular YouTube Blog posts at: http://diy3dtech.com/blog
Please visit http://www.DIY3DTech.com for more information on this and many other projects!
Check us out on Social Media to see what we are up too as we always have something cooking in the shop!
-Follow us on Instagram:
https://www.instagram.com/diy3dtech/
-Follow us on Tumblr:
https://www.tumblr.com/blog/diy3dtech
-Follow us on Reddit:
https://www.reddit.com/user/DIY3Dtech
Subscribe to the DIY3DTech YouTube Channel:
http://YouTube.DIY3DTech.com
Subscribe to the DIY3DTech OpenSCAD Channel:
http://openscad-youtube.diy3dtech.com
If your looking for looking 3D Printer, Laser Cutter and CNC Swag (T-Shirts, Hats, Mugs, etc), please support the channel by visiting our online shop at: http://swag.DIY3DTech.com
Are you a retailer or product manufacture and would like your product reviewed? Please contact us at info[at]diy3dtech.com
Tags: #DIY3Dtech
Видео Shop Talk - Tips for Printing PETG! канала DIY3DTECH.com
Air Quality Video for PETG: https://youtu.be/ZMrDnAagglw
Tip #1: Allow the hot-end some extra space (gap) ~0.1mm or so works well as you do not want to forcibly press the heated plastic down like with other plastics.
Tip #2: For a print surface we like either Blue Painters Tape (see more here: https://amzn.to/2Wg1Rnp ) for a high quality finish. Or we will use Purple Glue Sticks (see more here: https://amzn.to/2Ss4dhU ) as release agent for a knock off build-tek bed (see more here: https://amzn.to/35lzusd ). Other wise you will likely damage the print surface as well as the part.
Tip #3: Print with the bed HOT, I like 87c and I know many might say different. This is where I have found success especially with larger parts and open frame printers.
Tip #4: Print at the higher temps as I typically use 240c at the hot as PETG is a viscous plastic and it takes a lot to push it through the hot-end. In short heat helps flow and needs to be matched with speed. Also I can not say enough good about Capricorn Tubing (see more here: https://amzn.to/3f2fkrA ) for PETG.
Tip #5: Retraction, we are using 6.5mm at 50mm/sec with the Capricorn Tubing (see more here: https://amzn.to/3f2fkrA ) as well as tuning the movement of travel to reduce oozing in the slicer.
Tip #6: Slicers make a difference, I have had repeatedly poor results from CURA yet repeatedly good results from the KISS slicer on the same model. I believe the reason for this is the way the slicer implements the GCode is what creates this difference.
Tip #7: Print slower, as mentioned PETG is more viscous then other plastics so there is a STRONG relationship between speed and temperature. Here we typically print at 40mm/sec (Average) which some might think is slow, however the focus here is quality and the faster go, the lower quality you will see.
Tip #8: Nozzle size matters as we have found the best quality is achieved with a 0.4mm nozzle. Of course the larger the nozzle, the less detail however PTEG unlike PLA doesn't seem to react proportionately most likely due to the fact that PETG is not pressed down as other plastics are.
Again, PETG (see more here: https://amzn.to/2yWrpOH ) is an amazing plastic and with a few tips and tuning you too can get high quality results!
Want to see what we are up to daily? Check out our regular YouTube Blog posts at: http://diy3dtech.com/blog
Please visit http://www.DIY3DTech.com for more information on this and many other projects!
Check us out on Social Media to see what we are up too as we always have something cooking in the shop!
-Follow us on Instagram:
https://www.instagram.com/diy3dtech/
-Follow us on Tumblr:
https://www.tumblr.com/blog/diy3dtech
-Follow us on Reddit:
https://www.reddit.com/user/DIY3Dtech
Subscribe to the DIY3DTech YouTube Channel:
http://YouTube.DIY3DTech.com
Subscribe to the DIY3DTech OpenSCAD Channel:
http://openscad-youtube.diy3dtech.com
If your looking for looking 3D Printer, Laser Cutter and CNC Swag (T-Shirts, Hats, Mugs, etc), please support the channel by visiting our online shop at: http://swag.DIY3DTech.com
Are you a retailer or product manufacture and would like your product reviewed? Please contact us at info[at]diy3dtech.com
Tags: #DIY3Dtech
Видео Shop Talk - Tips for Printing PETG! канала DIY3DTECH.com
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