3DPrinting

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Need help diagnosing benchy problems (imgur.com)

submitted 2 years ago by JakoJakoJako13 to c/3dprinting

21 comments fedilink hide all child comments

I finally got my printer working again. I spent the whole day going through Teaching Tech's calibration steps. All the flat calibration gcode looks fine. The Benchies are another problem though. I'm printing with a 0.6mm nozzle for the first time.

On the smaller benchy I printed at 0.2 layer height, with a perimeter speed of 40mm/s at 210/60 temps. The bigger one is 110% larger and printed at 0.25 layer height, with a perimeter speed of 60mm/s at 215/60 C.

The problems are mostly manifested in the same area. Big blobs in the rear and layer shifting on the tail pipe. Large layer shifts/bulges in the center. I've never really ran into this problem before so I don't know where to start when diagnosing this.

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[–] fhein 1 points 2 years ago

What kind of printer is it? You mean it worked in the past, and then something happened with it?

One thing you might want to check is the stability of the carriages (assuming this is a bed slinger btw). If you grab the hotend (x axis) while it's cold and try to move carefully it by hand, it shouldn't be possible to move it back and forth, or rotate it. It should only move smoothly left and right. Same thing with the print bed (y axis), it should not be able to wobble up and down, only move smoothly back and forwards.