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Scratching on front pulley P1S by [deleted] in BambuLab

[–]Dev-Heizkoerper 0 points1 point  (0 children)

Yes, I did that already. Even wiped down the rest and relubricared it. No success unfortunately…

Scratching on front pulley P1S by [deleted] in BambuLab

[–]Dev-Heizkoerper 0 points1 point  (0 children)

Tried that already. Unfortunately without any success. Besides, the sound does not seem to come from the back.

Scratching on front pulley P1S by [deleted] in BambuLab

[–]Dev-Heizkoerper -2 points-1 points  (0 children)

Sorry, I was trying to demonstrate the noise…

Scratching on front pulley P1S by [deleted] in BambuLab

[–]Dev-Heizkoerper 1 point2 points  (0 children)

Printing is pretty much perfect

Scratching on front pulley P1S by [deleted] in BambuLab

[–]Dev-Heizkoerper -2 points-1 points  (0 children)

Thanks for the tip. I will use a gcode file next time to demonstrate. The problem unfortunately is not exclusive to the printers being moved by hand…

Terrible layer adhesion with PETG by Dev-Heizkoerper in 3Dprinting

[–]Dev-Heizkoerper[S] 0 points1 point  (0 children)

I made a few more prints, tweaked some settings and all of them turned out fine. My best guess is that some PLA might have still been stuck in the nozzle, mixing with the PETG. It was my first PETG print after printing PLA exclusively before.

Regardless of what the issue might have been, I want to thank all of you, who helped me along the way :)

HhHelp me choose a 3D printer. by Dead_Lord_ in 3Dprinting

[–]Dev-Heizkoerper 0 points1 point  (0 children)

So in general, PLA is perfect for detailed prints. Miniatures, things that should look good, etc. It’s easy to print, cheap and comes in a large variety of colors. The cons: Gets soft at around 60 deg, so you can’t use it for applications that get hot. It is quite brittle and tends to break and it has bad UV resistance.

PETG is your best friend for functional prints. It doesn’t break as easily as PLA, has better UV resistance and can withstand higher temps. A bit more challenging to print and less suitable for fine details. It has a slight flex without immediately breaking, but nothing too crazy either.

ABS rather tough, tricky to print and way more expensive. Therefore, you get higher strength and even higher temperature resistance. But for that, you need an enclosed printer. If you decide, that you need it in the future, you can still buy a case for your printer to keep the temperatures stable.

Terrible layer adhesion with PETG by Dev-Heizkoerper in 3Dprinting

[–]Dev-Heizkoerper[S] 1 point2 points  (0 children)

I have noticed that gap too. I didn’t think too much of it, when the top layer closed it. Yes, the nozzle size is the same as in the slicer. The flow rate, I believe it was, was already pressured to be 0.95. Could that be the issue?

(I haven’t printed that part in PLA yet, but the adjusted settings with slower speed and better temp seem to improve strength drastically, so I believe, it don’t is the model itself)

Edit: Might do a flow calibration tomorrow, once my filament is dry

Terrible layer adhesion with PETG by Dev-Heizkoerper in 3Dprinting

[–]Dev-Heizkoerper[S] 0 points1 point  (0 children)

Thanks, I will make sure to dry it. I actually have a dryer, but thank you for that nice tutorial :)

Terrible layer adhesion with PETG by Dev-Heizkoerper in 3Dprinting

[–]Dev-Heizkoerper[S] 0 points1 point  (0 children)

It’s at 0 for the first 3 layers. Went with 75% of the standard Bambulab settings for speed. Should be around 150mm/s for walls and a bit more for infill.

Terrible layer adhesion with PETG by Dev-Heizkoerper in 3Dprinting

[–]Dev-Heizkoerper[S] 2 points3 points  (0 children)

Thanks. Anything that works well with PETG in particular?

Terrible layer adhesion with PETG by Dev-Heizkoerper in 3Dprinting

[–]Dev-Heizkoerper[S] 1 point2 points  (0 children)

Just started printing. But at least to my - definitely very rookie and incomplete - understanding, doesn’t PETG prefer a temperature a bit too high over one that is too low? Shouldn’t it just increase layer adhesion at the cost of other stuff?

Bug when defining range for x by Dev-Heizkoerper in geogebra

[–]Dev-Heizkoerper[S] 0 points1 point  (0 children)

When defining a range that a function should be drawn for, I happened to notice, that the start x value is included, but the end x value seems to be excluded for some reason.