kaktus' guide - fans - appendix

[_kaktus_]

Breaking news ...

My conjecture has been confirmed. The linear stabilizer that powers the fans must dissipate a lot of power. Due to the above it becames very hot, which will definitely shorten his life ...

By tapping it with your finger you can get very burned. I examined the high temperature of this toddler with a thermal imaging camera.
You can see the results below.

That's why I de-soldered a goldpin from the controller board (I think it's just a bad thing, and I do not know why it was designed) that there would be more space. Then I equipped the linear stabilizer with an additional heat sink.

The achieved effect is sensational. The radiator is also cooled by a nearby fan ;-)

More interesting photos on my website, I encourage interested parties to watch.

[attachment=0]termo-7812+.png[/attachment]
[attachment=1]PCB_M201_nowy_radiator.jpg[/attachment]
[attachment=3]PCB_M201_bez_goldpina.jpg[/attachment]
[attachment=2]PCB_M201_ma nowy_radiator.jpg[/attachment]

by the way, I will add that more and more often I think about designing an additional electronic system that would help control cooling by other fans (hot-end & controller board)
the system would have two independent channels for controlling the fan
channel first autonomous - rotational speed depends on the current temperature (maybe two sets of settings to choose from) for Hot-end.
second channel - rotary speed adjustable by potentiometer (for controller board)


important information on the end
the cooldown option does not work in the printer menu.

Generally, non-action is manifested by the lack of any reaction.
so I think this option does not work

[_kaktus_]

This "large" heat sink which I mounted fulfils its purpose.

heat sink temperature measurement

IR_01246.jpg (56.21 KiB) Viewed 22790 times

At the time of measurement and earlier only one fan was in operation.
I wrote that the heat sink fulfills its purpose, but is it sufficient?

[_kaktus_]

Hi


One more part of the guide is related to the fans.
kaktus' guide - fans - however, it was not the end


Greetings to all M201 users