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Re: esun petg

Posted: Sat Jul 11, 2015 12:18 am
by dfr2923
Internal rectangular
External rectangular
Default print speed 4000

Re: esun petg

Posted: Sat Jul 11, 2015 12:31 am
by jimc
Ok 4000 is probably too fast with a .35-.4 nozzle while using 130% infill width. Slow down to 3200 OR change to an infill pattern that prints on every layer and change the width to 100%. 4000 though is a bit fast. At 100% its probably borderline. The backpressure is just too much. It cant melt fast enough and squirt out that little nozzle. 3600 has always been my max.

Re: esun petg

Posted: Sat Jul 11, 2015 1:20 am
by dfr2923
Will give it a try.... I know they had 3200. I was trying to get the part done quicker

Re: esun petg

Posted: Sat Jul 11, 2015 1:23 pm
by dfr2923
That fixed it thanks Jim

Re: esun petg

Posted: Sat Jul 11, 2015 2:39 pm
by jimc
You got it! Glad it worked out

Re: esun petg

Posted: Fri Jul 17, 2015 5:42 pm
by Bratag
Got the orange and green recently. Look great and print easily. Have to say that the eSun PETG keeps getting better.

Re: esun petg

Posted: Fri Jul 17, 2015 7:27 pm
by jimc
I have to agree. The colors are all great i just wish they were all opaque and not translucent. They do have opaque red coming soon. I saw a pic of the color. It looked really nice.

Re: esun petg

Posted: Fri Jul 17, 2015 8:35 pm
by Bratag
jimc wrote:I have to agree. The colors are all great i just wish they were all opaque and not translucent. They do have opaque red coming soon. I saw a pic of the color. It looked really nice.
I have been making do with MadeSolids red for the times I needed opaque. Its way more expensive , but unlike their white , is easy enough to print with.

Re: esun petg

Posted: Sun Jul 19, 2015 5:32 am
by innkeeper
petg .. Awsum stuff. and this is a great thread...after reading it all though, I pretty much followed jules settings from page 27 of the thread and got perfect prints.
using both esun from amazon..and esun-inland branded from microcenter petg with no changes. (all translucent colors)

Re: esun petg

Posted: Mon Jul 20, 2015 12:45 am
by LazMech
Loaded up some translucent green esun petg filament on my right nozzle; definitely a headache to get right. So far only done the perimeter calibration using the 20mmx20mmx2mm model but I got that perfected.

Used rsilver's "M2-0.35mm" process file set to petg and medium. First let me say that I very much appreciate that he has made his process files available; was a lifesaver when I started with PLA. Now having said that I had lots of problems with the aforementioned petg settings and I imagine there will be issues to resolve on the infill calibration. The point of bringing this up is to see if there are explanations for the settings and to save the trial and error for others.

From reading the entire thread I think the following settings are problematic:
Extrusion multiplier: 0.79
First layer height: 110%
Infill extrusion width: 200%
Skirt/brim: 1, 5mm, 1

That extrusion multiplier is very low. The first several attempts at doing the calibration print ended up with nothing on the bed and a ball of filament on the nozzle. I brought the z-axis closer and set the first layer height to 90% and I printed the 20x20x2 calibration model and measured the walls and was surprised that they were so thick (0.63mm); I thought it was way too thick but it took me a while to realize that I printed it with TWO PERIMETER SHELLS. This meant that my layer width was way too thin. Eventually I set the extrusion multiplier to 1.01, removed the z-axis offset and kept the first layer height to 90%. Now the problem was that the sticky petg was making it difficult to print a nice calibration piece, the two perimeter layers would separate and the part was too easy to remove off the bed while the bed was still heated. I upped the extruder temp to 255, the bed temp to 100 and I set the skirt to be 16mm offset from the part and to do 3 skirt outlines. The skirt didn't come out perfect but the calibration part did; the thread from the skirt stayed with the skirt and was far enough away that it didn't get stuck to the nozzle and mess with the actual part. The layers stayed together. Now I just gotta test the infill extrusion width setting.

Most of you are using somewhere between 130-140% for infill extrusion width right?