Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?
 
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Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?  

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MaKe68
(@make68)
Active Member
Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

Hi,

I am facing an issue which prevents me from printing on  my powder-coated sheet because I would need a Z height correction of bigger than -2.000 but thesis the maximum value that can be used. Using my PEI sheet which has a thickness of 1.2 mm requires a Z Height correction of around -1.680. My powder-coated sheet has only a thickness of 0.62 mm (so 50% thinner compared to my PEI sheet) which would require a z-height correction of -2.300 to make the filament stick. But Life Z adjust stops at -2.000.

I read in other articles the powder-coated sheet is some 0.2mm thinner than PEI, in my case it is 0.6mm thinner and, hence, does not work on my brand-new mini+. Nozzle doesn't reach the surface as needed ...!?

Anyone facing same kind of issues in the past? Appreciate any advice how to adjust the Z height to let me also use the textured metal sheet which isn't cheap to buy, actually. 

Thanks, Markus

Posted : 15/01/2021 3:44 pm
fuchsr
(@fuchsr)
Noble Member
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

I had that on one of my printers. Readjusting the Super Pinda Probe by moving it closer to the print bed fixed it. 

Posted : 15/01/2021 3:50 pm
MaKe68
(@make68)
Active Member
Topic starter answered:
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

@fuchsr

Thank you for ultrafast response. I already moved the SPINDA a bit down and figured no better result. Apparently,  I need to bring it still closer to the bed. Will definitely try agin. Maybe I have overseen something.

=Markus

Posted : 15/01/2021 3:54 pm
fuchsr
(@fuchsr)
Noble Member
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

I follow the instructions in the knowledge base for spinda replacements but I use a 0.8mm feeler gauge instead of a zip tie to measure the distance. 

Posted : 15/01/2021 4:15 pm
Rainer
(@rainer-2)
Estimable Member
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

You must go higher with the Sensor. Mini or Mini+?

This post was modified 11 months ago by Rainer
Posted : 15/01/2021 4:30 pm
fuchsr
(@fuchsr)
Noble Member
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

@rainer-2

You’re probably right. Higher, lower, I don’t really know, I just use my feeler gauge to find the right distance. 

Posted : 15/01/2021 4:33 pm
Rainer
(@rainer-2)
Estimable Member
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

The new Sensor from the Mini+ must be higher then the old one.

Maybe twice a Credircard.

Posted : 15/01/2021 4:38 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

Since the switching distance of the SPINDA is somewhat larger, you ideally take a 1.50mm thick feeler gauge or something similar. Then, after adjusting the firstlayer, the value should be between -1,000 and -1,500.

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen....
Posted : 15/01/2021 5:21 pm
karl-herbert
(@karl-herbert)
Illustrious Member
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

SPINDA (Mini)

Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen....
Posted : 15/01/2021 5:46 pm
MaKe68
(@make68)
Active Member
Topic starter answered:
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

@karl-herbert

Thank you all,

yes the SPINDA had to be adjusted higher to make the printhead move "lower". It was clear for me what you meant. And I re-adjusted my SPINDA again and, yes, now I can mesh-level the bed using my textured metal sheet. Switching back to the PEI requires to adjust the Z-Height correction accordingly which is pretty fine now. So, issue solved.

Posted : 15/01/2021 6:03 pm
Rainer
(@rainer-2)
Estimable Member
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

You can go to the 4.3 RC1 Firmware with Sheet Profil. 😉

Posted : 15/01/2021 6:07 pm
fuchsr
(@fuchsr)
Noble Member
RE: Z Height at limit -2.000 but nozzle does not reach textured metal sheet surface because it is too thin?

@rainer-2

Can't wait to download it, just for that one feature!

Posted : 15/01/2021 6:15 pm
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