Any way to cool bed down slowly after print to temper the plastic?

[jhox616 0]

As many are aware printed parts can be tempered through the process of annealing.

This made me wonder if in Cura the bed temperature can be automated to slowly cool down after a print job finishes.

Is anyone aware of a way to do this? Possibly through a script/macro?

I'm interested in your thoughts on if this would achieve the desired effect of annealing to some extent?

 

If so, it would be a nice feature update for the next version.

[ahoeben 1,965]

I think the best you can do at the moment is to add a sequence like this to the end gcode:

 

M140 S60 # set the bed temperature to 60
G4 S60   # wait 60 seconds
M140 S55 # set the bed temperature to 55
G4 S60   # wait 60 seconds
M140 S50 # set the bed temperature to 50
G4 S60   # wait 60 seconds
M140 S45 # set the bed temperature to 45
G4 S60   # wait 60 seconds
(... etc ...)

 

[GregValiant 1,323]

But if you give it a bit of time (and someone is willing to shamelessly steal AHoeben's thought)...

 

I'm more of a "throw it in the refrigerator and bust it off the plate" sort of guy but here 'ya go.  

I arbitrarily picked 3°/step.  The settings are "Shut Off Temperature" and "Time Span".

 

Unzip the file and put "TimedCoolDown.py" in the:

"C:\Program Files\UltiMaker Cura 5.3.1\share\cura\plugins\PostProcessingPlugin\scripts" folder.  It will be available in "Extensions/Post Processing/Modifiy Gcode" then "Add a Script"

 

Update from "Quick and Dirty" to "Make Nice" in order to avoid Time Travel.

 

 

 

TimedCoolDown.zip

Edited April 28, 2023 by GregValiant