First layer calibration on new assembled printer - now with Benchy
 
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First layer calibration on new assembled printer - now with Benchy  

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Phil
 Phil
(@phil-4)
Trusted Member
First layer calibration on new assembled printer - now with Benchy

I've tried do a "first layer calibration" about 4 times now. I think I'm getting closer, but can someone tell me if this is set right or not? The first layer doesn't look as expected for the prusa logo. My live Z is set to -.600.

Publié : 20/07/2018 12:05 am
Phil
 Phil
(@phil-4)
Trusted Member
Topic starter answered:
Re: First layer calibration on new assembled printer

Trying to add picture

Publié : 20/07/2018 12:07 am
Peter L
(@peter-l)
Honorable Member
Re: First layer calibration on new assembled printer

Looks too high to me.

Publié : 20/07/2018 12:11 am
Phil
 Phil
(@phil-4)
Trusted Member
Topic starter answered:
Re: First layer calibration on new assembled printer

When you say too high, do you mean I should go to -.500 or -.700? Sorry, negative numbers and the English language don't always work well together.

Publié : 20/07/2018 12:22 am
Phil
 Phil
(@phil-4)
Trusted Member
Topic starter answered:
Re: First layer calibration on new assembled printer - now with Benchy

So, I adjusted live Z down to -.625. I used the calibration square from another thread to try it and this seemed to me to look appropriate. So, then I decided to print a benchy. Seemed to go well, but when it got to the top smoke stack, it fell over and started printing a blob in the air. What would cause it to lose adhesion at that late point? Do I have live Z wrong still or is it something else?

I have cleaned the bed with 99% IPa and with dish soap.

Publié : 20/07/2018 4:11 am
Kazibole
(@kazibole)
Eminent Member
Re: First layer calibration on new assembled printer


When you say too high, do you mean I should go to -.500 or -.700?

Too high as in the nozzle is still too high from the bed. You need to lower it by trying -.650, -.700, etc.

Also see this link for an easier method: https://shop.prusa3d.com/forum/assembly-and-first-prints-troubleshooting-f62/life-adjust-z-my-way-t2981.html

Publié : 20/07/2018 7:26 am
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