Wow, I just switched from Hatchbox to eSun (based on good eSun reviews here and elsewhere) and I can't get it to lay down the bed AT ALL. 230C. 265C (I was going to do a temp tower and it starts hot). At PLA bed spacing, at my PETG (Hatchbox anyway) spacing. At 40mm/s and 50mm/s. On a isopropyl cleaned bed, on a aquanet prepped bed. All on the creality magnetic flex bed at 75C - I don't want to demagnetize my bed.
If someone has more tricks, I'd like to hear them. Else I'll find a home for this spool and get new.
I print almost exclusively Esun PETG 80C bed 240C for all layers no strings, no bed adhesion problems nothing.
I am however a super freak about nothing ever touching my bed but plastic, no glues or sprays no finger prints "I have a magnetic flex bed" and wipe it down between every print with 99% ISO.
One of the biggest changes I made about a year ago was going to 99% ISO the difference between 91 and 99 is night and day. and 70 is basically pointless.
I print esun petg at 30mm/s with an E6D at 230C.FWIW, I've had great luck with Hatchbox PETG at 260C and 50C bed with blue painters tape (clean with 70% alcohol if you want the tape to forever adhere to the part). I upgraded my stock hot end to the E3D Titan Aero.
I was disappointed in the eSun PETG, filament coming off the spool and tangling, bad prints (layer shifts), can't find a way to make it print well. YMMV.
The Hatchbox PETG claims in its paperwork to be hydrophobic. Obviously that's relative. The eSun actually notes 'low hygroscopicity' in its paperwork.
The Hatchbox in a gallon ziplock freezer bag for several months was less wet than the eSun out of the box.
I have 4 desiccant spool boxes set up, so I can store it differently, now that I know.
I'm more surprized about the extruder tension. The rubber band I have holding the loading arm down keeps breaking (I think the cats chew on it) so I think I'll play with flipping the bottom screw around and making it adjustable.
Just curious, what extruder do you have?
You could also look into Sunlu brand we are having very good luck with it at local maker space. Its probably the cheapest brand on amazon but even are low end printers are having great results.
3 most common skipping related problems "IMO"I upgraded my Ender 3 Pro with a SeeMeCNC EZRStruder. Although I am having problems that are stumping me. Can't print faster then 25mm/sec or get this skipping. See Video:
https://drive.google.com/open?id=1Ss0tm_sTIFekx2ekio7rnghlEsVcVGcg
All aluminum upgrade for Ender.
https://www.amazon.com/gp/product/B07B96QMN2/ref=ppx_yo_dt_b_asin_title_o04_s00?ie=UTF8&psc=1
3 most common skipping related problems "IMO"
1. Gear tension to lose
2. extruder not calibrated <--Most common from my experience
3.nozzle not hot enough so its not melting fast enough, or poor thermal design - basically speaking you are shoving plastic down the nozzle faster then your nozzle can melt it.
If all your prints look good at slow speed then chances are its number 3, if smaller prints are good but larger arent then chances are its number 2. If its completely random and you have no idea why try number 1
nice sample pack!!When you pull the filament out, does it have evidence of getting folded like you described?
My issues dropped to a minimum when I upped the extruder lateral pressure- it wasn’t gripping the filament hard enough, so it slipped. End result is similar- it doesn’t feed.
44 hour print last week with eSun white PETG.
View attachment 394772
Your best bet is upgrade your extruder...you should not need those extra high temps, that causes other problems. I run a bit slow, 35-40mm/sec at 230-240c for petg, even that is higher than the manufacturer recommends. but this gives better layer adhesion. I use 60c for bed temp, higher and the prints don't stick.nice sample pack!!
And yes, I saw it was wrapped around the gear as I had to cut it out!! The machine also makes a horrid clicking sound when filaments get jammed.
As for temps, i was trying to stay within the temp specs. I had been told the initial failure was due to being too hot..
View attachment 394780 View attachment 394782
Enter your email address to join: