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eran.r2
(@eran-r2)
Active Member
going up

Hi

We received the MK3
Calibrated Z

Why is one corner going up ?

See pictures

Regards,

Eran Reshef

Posted : 30/04/2018 2:27 pm
RH_Dreambox
(@rh_dreambox)
Prominent Member
Re: going up

There may be two reasons for this.
1) The Z level of the first layer is too high. Adjust the Z level until you get a fine first layer.
2) The bed is not properly cleaned. Wash the surface with a mild soap solution and water.

Bear MK3 with Bondtech extruder

Posted : 30/04/2018 3:55 pm
eran.r2
(@eran-r2)
Active Member
Topic starter answered:
Re: going up

Hi
the first layer was flat ( horizontal) in the beginning , after 3-5 mm of printing this phenomena started - the corner raised

bed was clean

Posted : 01/05/2018 9:55 am
rob.l6
(@rob-l6)
Honorable Member
Re: going up

So cause 1 above is probably the issue then. Have you tested your z offset (live Z) calibration with some calib squares?

Posted : 01/05/2018 10:29 am
Rainer
(@rainer)
Trusted Member
Re: going up

If you show a closeup picture of the bottom layer, that would help us .....

Blog: https://schlosshan.eu
Thingiverse: https://www.thingiverse.com/rainers/collections/rainers-customizable-things
Prusaprinters: https://www.prusaprinters.org/social/6508-rainer/collections/6900
Happy printing 😉

Posted : 01/05/2018 12:26 pm
eran.r2
(@eran-r2)
Active Member
Topic starter answered:
Re: going up

see pictures

Posted : 01/05/2018 12:45 pm
eran.r2
(@eran-r2)
Active Member
Topic starter answered:
Re: going up

one more

Posted : 01/05/2018 1:09 pm
eran.r2
(@eran-r2)
Active Member
Topic starter answered:
Re: going up

I would like to say again
The first layers were flat then there was a deformation and the corner was "raised"

See picture

Posted : 01/05/2018 2:24 pm
RH_Dreambox
(@rh_dreambox)
Prominent Member
Re: going up

And I'll say it again ... clean the bed! You may think the bed is clean, but the printer does not like it.
Use a mild soap solution, no chemicals.

Bear MK3 with Bondtech extruder

Posted : 01/05/2018 5:47 pm
GertL
(@gertl)
Reputable Member
Re: going up

And ill repeat

clean the bed! You may think the bed is clean, but the printer does not like it.
Use a mild soap solution, no chemicals.

This will solve your issue.

---
Gert

Posted : 01/05/2018 7:00 pm
eran.r2
(@eran-r2)
Active Member
Topic starter answered:
Re: going up

OK
will try !

Posted : 02/05/2018 1:26 pm
eran.r2
(@eran-r2)
Active Member
Topic starter answered:
Re: going up

is there a possibility that the heat of the BED in that area is not high enough ?

Posted : 02/05/2018 1:29 pm
stahlfabrik
(@stahlfabrik)
Honorable Member
Re: going up

Nope highly unlikely.

Clean the bed. Use a bit of acetone once a week at maximum. Between every print use IPA.

Use paper towels and throw them away. Do not reuse them.

What you see is called warping. With pla and PEI sheet it is a sign for grease on the bed or too high first layer.

Posted : 02/05/2018 7:39 pm
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