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PID tuning while printing

Posted by kullboys 
PID tuning while printing
November 09, 2018 09:42PM
Hi all. Question: pud autoninng can give us a pretty close to good PID tuning, but good tunning requires some extra adjustment. Can PID tuning be done WHILE printing a test object?
Re: PID tuning while printing
November 11, 2018 12:38PM
I don't see why not, though I don't know if you'd really want to do that. You need to edit the gcode manually to force the printing process to wait for the bed to cool as pid tuning is recommended to start with a bed/hot end at room temperature. This would only make sense when printing at high volume and PID needs to be tuned to account for cooling down the melt chamber when a lot of cool plastic needs to warm up.

Even better would be to have a range of PID settings that can be set based on extruded volume. I think I've seen this somewhere but I can't remember. I'm sure someone more knowledgeable will chime in.

Kind regards

NFAN CoreXY printer:
Re: PID tuning while printing
November 11, 2018 11:23PM
If you meant manual PID tuning by tweaking the PID parameters you've found earlier, then yes.
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