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Cura 3.6 produce skipping


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Posted · Cura 3.6 produce skipping

I just upgraded from 3.41 to 3.6 and now I experience strange noises from the printer associated with either X or Y skipping. Marlin have not changed, and it sound like the printer get very fast movement instruction , such that the printer cannot handle. I tested this on my CR10 4S, (The Ceality have primary y axis skips).  At first I checked my stepper, belt etc, the bed is smooth, eventualty I replace the driver chip, then the motherboard, reprogram Marlin, revert to Creality stock setting,  but no avail.  Then I moved my model (to fit smaller bed) and use the GCODE on my Prusa, and it it re-produce both x and y skipping, at the same height!, with the simular stepper noise. However if I print an old (save octaprint) GCODE the print is fine. I looks like Cura override some GCODE setting, or generate 'fast' movement code, but it has to do with speed.  but unfortunately I am not a boffen on this subject. Have any one else seen this phenomena ? 

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    Posted · Cura 3.6 produce skipping

    I can confirm, I downloaded 3.4.1 and redid the print, the GCODE was substantially smaller and the print was 1.5 hours instead of the 2.5 hours, and the printer printed fine, no noises etc. One can see from the GCODE the one is 2.2MB versus 6.6Mbyte

    S4_modbusTestJig.PLA.3.4.1.gcode

    S4_modbusTestJig.PLA230.gcode

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    • 1 month later...
    Posted · Cura 3.6 produce skipping

    I experience a similar problem with 3.6 (and 4.0 beta). It seems that the z-axis does nor move so that the noozle after some time ploughs through the material until it stucks. Same stl file works fine with 3.4 I do print on an Anet A8. I tried to examine the gcode but the z-movements seem to  be the same (+,2 mm for each layer) than in the 3.4 file.

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