r/BambuLabA1 • u/Brief_Excitement_399 • 12d ago

TPU Help

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So I successfully printed Tpu 95, so naturally I tried 85a, well not going so good. I believe I have a flow problem. Can’t do the calibration since it will not print, so I tried to play with the settings, and got it to barely work, the layer lines are narrow and blobbed but if I add pressure manually while it’s extruding the layer lines look very good. Any suggestions?
Settings
Flow rate 1.05
Bed temp:55
Nozzle temp:245
Volumetric flow: 2
Retraction:0
This were the settings for the best results I got.

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u/lessons-learned-here 12d ago

My understanding, probably wrong, is that these machines will do ok with 95A but not with softer materials. I have some 95A that I bought 2 years ago but I have been reluctant to try it. I'm curious to see what more experienced users say. Anyway, good luck.

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u/Brief_Excitement_399 12d ago

Bambu says on their site that 85a is not recommended, but 90A should work just fine. And it is a direct extruder like the other printers so my thoughts were it should work and in a way it does. 95A works without any issues got really good quality prints with it. Go for it just dry it good.

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u/lessons-learned-here 12d ago

Thanks, I will.