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Part Cooling

Posted by Tryit 
Part Cooling
May 17, 2018 05:29PM
I can't actually get my cooling fan to work see This thread and I guess this may well be a problem with my understanding of Marlin, but I was also wondering...

How clever is the cooling function? does it cool more when layers have less extrusion?

My first 3d printer experience was building a tronXY P802M for a friend. The part cooling fan on this seemed to have a little life of it's own changing speed all the time. Even "off" it did a bit spinning occasionally (!?).
I presume this printer runs a closed version of marlin on a RAMPS like arduino board.

There seems to be little (any?) setup for part cooling in Marlin.
Re: Part Cooling
May 17, 2018 10:56PM
The is just a software controlled fan. Turned on and off via gcode

See [marlinfw.org]

no idea what command the touch screen may be using... use a computer and a control program.
Re: Part Cooling
May 18, 2018 05:26AM
That makes sense. Thank you!
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