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Ridgerunner2270

Help on fixing missing z layers

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Posted · Help on fixing missing z layers

Hi all,

 

I'm new to 3d printing. So, this maybe a common problem to fix (I just can't seem to find a fix for it).

Anyways, the problem I'm having is missing Z layers when printing a model. You can see this problem in the attached image. What I really don't understand is the problem doesn't show up in Cura's layers view. Any idea what could be wrong? This happens with other models I've tried to print out as well.

 

Thank you for any help!

 

 

IMG_20190306_205239.jpg

IMG_20190306_205318.jpg

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Posted · Help on fixing missing z layers

If layer view looks ok then you probably have under extrusion or a problem with your z-axis.

If its the same height in every print then it will be Z-Axis. but if you get it randomly then is probably under extrusion.

A closer look at the missing layers would help determine your issue and sharing what printer you have and material used, settings like nozzle size, speed, temp and layer height will also help.

 

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Posted (edited) · Help on fixing missing z layers

Hi Labern,

 

Thanks for replaying. The printer I'm using is a Creality CR-10 mini. The material used is PLA+. Nozzle size is 0.4mm, speed set to 40mm/s, temp to 230C (Seems to print better at that temp. smoother result), layer height was set to 0.08mm. A closer look at the layers is attached and every setting in Cura also. Like I said, I'm still very new to 3d printing. So, there's probably a lot of setting set wrong lol. 

 

Also, I've noticed that as I scale the models size in Cura, the position of the missing z layers seems to move, but I'll have to double check that by printing a couple models. 

 

Hope this helps!

set 1.jpg

set 2.jpg

set 3.jpg

set 4.jpg

set 5.jpg

set 6.jpg

IMG_20190307_015208.jpg

Edited by Ridgerunner2270

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Posted · Help on fixing missing z layers

Hi @Ridgerunner2270, thanks for the gcode. As you can see from the attached images showing that gcode. There are no lines/layers missing. So it is more likely to be a problem with your printer that is somehow triggered. Perhaps there is a setting that can be adjusted?

 

Screenshot_2019-03-07_14-16-01.thumb.png.ad63a8993dd11d962136dc7b0f6c35df.png

 

Screenshot_2019-03-07_14-18-33.thumb.png.22e28cc78bbef7c13d0ac35fec3a624f.png

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Posted · Help on fixing missing z layers

Thank you for the idea. However, I have zero to no idea what setting on the printer would cause it you skip like that, but I'll try to see what I can find online when I get home later. Anyone else have an idea?

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Posted · Help on fixing missing z layers

Don't know much about your printer. But you may need to check to see if the filament is grinding or slipping in the feeder. or if you hear knocking sounds coming from your feeder.

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Posted (edited) · Help on fixing missing z layers

Actually, I do hear a sound every once in a while from the spool (Feeder?), when I'm printing. I thought that was normal? If it's not normal, what do I need to do to fix it?

 

Nevermind. I know what your talking about now. I haven't heard any popping coming from the feeder, but I'll make sure the teeth on the gear is clean when I get home.

1518096562.png

Edited by Ridgerunner2270

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Posted · Help on fixing missing z layers

This is an Ultimaker forum so you may not get your answer here. But check your nozzle is clean. Maybe carry out an atomic pull. Check filament passes through the bowden tube and nozzle properly. You can heat the nozzle, open the feeder and push filament through by hand and it should push through without too much force. 

other then that have a look for a CR10 forum which may offer better advice. 

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Posted · Help on fixing missing z layers

Okay cool. I'll see if I can find a creality CR-10 forum to get more help on the problem. Thank you to everyone that tried to help.

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Posted · Help on fixing missing z layers

If you are hearing a sound coming from the spool then the filament could be catching and this can also cause under extrusion.

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