Layer Shift

tc61
Posts: 9
Joined: Thu Jun 11, 2020 3:56 am

Layer Shift

Postby tc61 » Wed Jul 15, 2020 2:35 pm

I am printing from the right Extruder and have gotten 3 failed prints in a row where the layer shifts significantly about 2 hours into the print. I have used the machine maybe 4 times , any guesses as to what this could be?

zemlin
Posts: 562
Joined: Sat Oct 21, 2017 2:02 pm

Re: Layer Shift

Postby zemlin » Wed Jul 15, 2020 3:50 pm

There are about 17 different things that can cause layer shifts.
A few that come to mind are
Condition of the gantry rods (lubrication, cleanliness).
Speed, acceleration, jerk settings exceeding machine capabilities (either travel speed or print speed).
Material collects on nozzle - drops blob on part surface causing a nozzle strike.
Part warping/lifting causing nozzle strike.
In very rare cases that can be a slicer bug that causes an error in the GCODE.
Exceeding firmware travel limits.

Are you using any Z-lift? That can help prevent nozzle strikes if warping is a contributing factor.

Sharing some information about your printer, the part, material, process settings .... would help us understand what you're doing.

tc61
Posts: 9
Joined: Thu Jun 11, 2020 3:56 am

Re: Layer Shift

Postby tc61 » Wed Jul 15, 2020 4:36 pm

Thanks for the reply.

I don't think its a Lube or cleanliness as the unit is brand new.

I am using the stock PLA setting with the included PLA

Nozzle looks clean and new.

I sliced the model in Ideamaker , it had no errors.

If the default profile does not include Z lift then I do not think so.

The first layer was flat and about 40 layers in is when it happened.

I am printing a Benchy now just to see if the problem repeats its self on a different model.

I will keep you posted.

zemlin
Posts: 562
Joined: Sat Oct 21, 2017 2:02 pm

Re: Layer Shift

Postby zemlin » Wed Jul 15, 2020 7:39 pm

You say the first layer was flat. Not sure what you mean by that.
Is the bottom surface of the failed print perfectly flat?

tc61
Posts: 9
Joined: Thu Jun 11, 2020 3:56 am

Re: Layer Shift

Postby tc61 » Wed Jul 15, 2020 8:22 pm

Yes, it was a perfect print until the layer shift. No lifting

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Vicky@Raise3D
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Joined: Fri Mar 25, 2016 3:54 am

Re: Layer Shift

Postby Vicky@Raise3D » Thu Jul 16, 2020 12:45 am

Would you like to share some images of the failed parts if possible?
Would you like to print a small calibration cube to see if the issue is repeatable or it only happens on large models?

TheBrad
Posts: 2
Joined: Mon Feb 22, 2021 3:02 pm

Re: Layer Shift

Postby TheBrad » Mon Feb 22, 2021 3:20 pm

Same here E2 is brand new about a week old and 10 hours into a print layer shifts.
I have experienced this on all printers I have owned. 90% of the time it was the machine stuttering due to being too hot. Other printers I would raise them up to get better air flow. So my question is what’s the best solution it reducing heat on the logic board.

Image

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Steven@Raise3D
Posts: 206
Joined: Thu Dec 17, 2020 11:24 pm

Re: Layer Shift

Postby Steven@Raise3D » Tue Feb 23, 2021 8:42 pm

TheBrad wrote:Same here E2 is brand new about a week old and 10 hours into a print layer shifts.
I have experienced this on all printers I have owned. 90% of the time it was the machine stuttering due to being too hot. Other printers I would raise them up to get better air flow. So my question is what’s the best solution it reducing heat on the logic board.

Image


Would you be able to attach a few images of the failed prints that you have enocountered?

TheBrad
Posts: 2
Joined: Mon Feb 22, 2021 3:02 pm

Re: Layer Shift

Postby TheBrad » Wed Feb 24, 2021 3:05 am

Image

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Steven@Raise3D
Posts: 206
Joined: Thu Dec 17, 2020 11:24 pm

Re: Layer Shift

Postby Steven@Raise3D » Fri Feb 26, 2021 7:16 pm

TheBrad wrote:Image


Would you be able to attach the Gcode file for this model? And possibly the .stl file?


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