Trying to print 85A TPU

I'm trying to print 85A TPU and the first layer looks like this.
No description
9 Replies
Achi447
Achi447OP2y ago
im using the lgx lite extruder, 0.6 nozzle, 0.2 layer height, 0.7 line width and 60mm/s speed
McNik
McNik2y ago
Did you adjust tension on the lgx? Did you adjust nozzle size in both slicer and printer.cfg? Did you check if it works when manually extruding via Mainsail?
Achi447
Achi447OP2y ago
yes i did all that i put it to the far right on the lgx lite the nozzle size is adjusted and it extrudes fine when im extruding it via Mainsail the e steps are also correct thats why iam out of ideas my last guess is that its some stupid slicer setting that iam not seeing because im blind
McNik
McNik2y ago
Do you have a profile that worked before? Try using that with the adjusted temps for TPU And maybe restricted flow rate Start with 5mm³/s and go up in increments
Achi447
Achi447OP2y ago
never had a profile for that tpu befoe what temps would u recommend ? that would be the volumetric speed option right ?
McNik
McNik2y ago
Or max flownrate The unit should tell you which it is Use a pla or PETG profile
Achi447
Achi447OP2y ago
ok i think i found it ok ill try that thanks alot is 60 to fast it prited fine and after it while it didnt extrude anymore but no skipping from the extruder and should i disable retraction
McNik
McNik2y ago
60mm/s or 60mm³/s?
Achi447
Achi447OP2y ago
my bad 60mm/s
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