PID tuned with Pronterface and through the interface on the printer. I had already had a newish E3D heater and thermistor that I fitted to the V6 set up, that I carried on using, that was set up with Arduino. 2mm layer height and 40mm/s print speed and 90mm/s travel. 4mm that came with the Hemera and usually. +/- 1-2C)?Ĭlick to expand.The nozzle is the. Does the temperature stay constant whilst printing (e.g. Stringing can indicate that your temperature is a little high, but a little bit of stringing can be normal with some filaments. Temperature: Compared to another printer/extruder I own, the Hemera seems to require a little more heat (around 10 - 20C more).Temperature: Compared to another printer/extruder I own, the Hemera seems to require a little more heat (around 10 - 20C more), but I am using a Nozzle X which can require up to 10C more.I suggest starting low and increasing it gradually. I tend to need a little tension (but not a lot). For TPU I've found I get the best results with little to no tension. Tension: I do not tend to find the tensioner moves whilst retracting.Retraction: The Hemera seems to require very little retraction (typically I use between 0 - 0.5mm), but you can also try lowering the retraction speed.Retraction, tension and temperature would be the things I'd try to rule out first: The Benchy is my first print with TPU, Ninjaflex 85A and that's come out nice for a first try with TPU.Ĭan you confirm that your printer and slicer are configured correctly? I know this is difficult, but have you updated the firmware according to the guide and run PID tuning? Also, have you set things like the nozzle/line width and flow rate correctly? What slicer are you using? It may help if you can share more details about the values/settings you are using. 75mm and 35mm/s, print speed is 40mm/s and travel speed 90mm/s ![]() In the photos the item on the left is combing all and on the right combing is off with retraction at. Fitted the E3D V6 to the Tevo Flash last year, set the esteps and it printed great no stringing or print quality issues at all but for the life of me I cant get the Hemera close to how the standard or the E3d V6 Flash was. ![]() Ive tried coasting, combing on and off, outer walls before inner walls on and off, infill before walls on and off, different temp and fan settings for a few brands of PLA, and retraction settings from 0 to 2mm and at various speeds.Ĭandy floss stringing is an issue, but the outer wall is very untidy. VREF set to 1.19 and I also set it back to 1 but there was no difference so set it back to 1.19Įsteps set and it extrudes 100mm spot on. Ive had the Hemera on my Tevo Flash with 2100 drivers for 3 months and struggling to get decent quality prints.
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