RRC[

Rat Rig Community [Unofficial]•2y ago

Brandon

nozzle hitting print

I kept hearing a dragging noise and I believe it's the nozzle dragging against cooled plastic. You can see it in the video when the print head moves forward and back and you can hear it as well. You can see the print literally getting pushed a bit as well.

I switched filaments and I was trying to do an EM calibration with petg. This is the built in orca flow rate. Everything looks great until it starts to print internal solid infill on layer 4. The settings are pretty close to the default for petg but it appears that the infill doesn't lay down all the way and then the nozzle starts knocking off chunks of semi hardened plastic . I've turned on zhop on when retracting but that doesn't seemed to help much.

Solution

Because I had to set it to 10% min, 30% max for my PETG prints

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