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MKZ

Cura G-code big Z jump !!??

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Posted · Cura G-code big Z jump !!??

HI everyone. I am new to Cura. I used to use Simplify3D.

This project has caused me big problems.  I had tried multiple times to output STL from my designer and imported them into Cura. I even moved the part to different positions of the print bed and regenerated the G-code. But most time I got a big Z jump at a certain build height. The Z axis just jumped by 10cm and continue to extrude...

 

I am using Creality CR-10 mini and the latest Cura 3.2.1 version.  Would anyone have an insight?  The Project file I attached here made the one on the right. After about 12mm of height, the extruder went up and continue to print in AIR !!

 

I think I need to switch back to Simiplify3D for now.

 

Would someone with this printer can print this out and tell me the result?

Thank you in advance.

MKZ

 

 

 

CCR10M_upper_top_dispense.3mf

FullSizeRender 3.jpg

CCR10M_upper_top_dispense.gcode

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Posted · Cura G-code big Z jump !!??

ALWAYS look at the print in layer view before printing the part.

 

I'm guessing the wall got too thin for a bit.  You can either make "line width" smaller (and make wall thickness a multiple of wall line width).

 

Or alternatively try checking "print thin walls".

 

And ALWAYS look at the print in layer view before saving/printing.  You would have noticed the problem without starting the print.

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Posted · Cura G-code big Z jump !!??

HI Gr5,

 

thank you for your reply. I will definitely try with different wall thickness.

 

I went back to check the print layer of the existing setting and did not see anything wrong. Please download video.

 

https://www.dropbox.com/s/afxv1i1vm69goeu/IMG_6290.MOV?dl=0

 

My question is, even if the wall thickness is not a multiple of the line width, why would the Z axis jump? Is it a bug?

 

thank you so much.

 

MKZ

 

Screen Shot 2018-03-04 at 11.48.46 AM.png

Screen Shot 2018-03-04 at 11.48.27 AM.png

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