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Layers shifted  

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stephane.t
(@stephane-t)
Eminent Member
Layers shifted

Hello,

Since 3 or 4 days all my prints have layers shifted...! I recalibrated all axis but still same problem... I can't find anythin wrong... Any idea of the proble?

Respondido : 27/08/2017 10:03 am
JeffJordan
(@jeffjordan)
Miembro Moderator
Re: Layers shifted

y and/or x axis belt or pulley skip. check the belts for tension and the pulleys for proper fixation.
furthermore check that the zip-ties that hold the bearings in place are tightened enough, so that they couldn't slip.

dem inscheniör is' nix zu schwör...

Respondido : 27/08/2017 10:12 am
GertL
(@gertl)
Reputable Member
Re: Layers shifted

Also, check that your cable harness/wrap from the extruder doesen't bump into something at the back.

---
Gert

Respondido : 27/08/2017 10:17 am
AJS
 AJS
(@ajs)
Noble Member
Re: Layers shifted

A number of causes for layer shifting can be found here:

http://shop.prusa3d.com/forum/prusa-i3-kit-building-calibrating-first-print-main-f6/-before-you-ask-troubleshooting-video-updated--t472.html#p39190

If that does not help, please comment back here and we can see what we can figure out.

Any advices given are offered in good faith. It is your responsibility to ensure that by following my advice you do not suffer or cause injury, damage or loss. If you solve your problem, please post the solution…

Respondido : 27/08/2017 4:26 pm
stephane.t
(@stephane-t)
Eminent Member
Topic starter answered:
Re: Layers shifted

Hello,

Thanks for your answers. It seems that it is the Y axis.
The cable behind I checked that allwas clear for its movements, no problem.
For the others things it is very technical for me... Is there a picture somewhere where you can show me what to check? For the belt I don't see how to check the tension, but it is the same as the other when touching... Not sure it is the problem....

Respondido : 27/08/2017 7:29 pm
JeffJordan
(@jeffjordan)
Miembro Moderator
Re: Layers shifted


...
Thanks for your answers. It seems that it is the Y axis.
...

yes, it's the y-axis, because there is no layer shift in x-direction visible at the vent in the middle.

tightening the pulley is quite easy.
thightening the y-belt requires a little bit more of assembly skills.

dem inscheniör is' nix zu schwör...

Respondido : 27/08/2017 7:39 pm
stephane.t
(@stephane-t)
Eminent Member
Topic starter answered:
Re: Layers shifted

Ok, I found that the belt in y axis had a tension problem. I wanted to try if the print is ok and here is the result :

This is the second time we have this problem and if we continue we have again to buy heater etc( 83 euros!). We use the printer for 3 weeks and we have too much problem with it, we have asked Prusa to cancel our order as we can't work correctly with it. We bought an Ultimaker 2+ with the prusa and we never had any problem with it...

Respondido : 28/08/2017 11:55 am
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