Heated Bed Cooling Fan
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Print removal from glass is a breeze --- Particularly with this cooling fan. I don't know if this is something new or…
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Print removal from glass is a breeze --- Particularly with this cooling fan.
I don't know if this is something new or just new to me.
I print PLA on glass with the bed temperature at 70° for maximum adhesion. The drawback is the bed temp must cool to at least 35° before it releases. My bed is insulated and normally takes 25 minutes to cool to that temperature. With the cooling fan the cool down is reduced to 11 minutes.
This design utilizes some parts and a remix of RichRap,s Universal directional 80mm Fan mount to mount the fan box.
Requirements
- 80x80mm x 25mm fan
- 5 volt, ground, and D59 pins of the AUX-2 connector for control
- 5/12/24 volts for the fan depending on fan voltage.
- MOSFET or equivalent for the fan.
Post-Printing
To complete the install you will need to print from RichRap's Universal directional 80mm Fan mount :
- Machine_Mount_Ball_V1.stl
- Lock_Screw_V1.stl
- 3 - M4x30mm and nuts (or equivalent)
- 1 - M4x35mm and nut (or equivalent)
- 2 - M5 with hammerhead nuts
The g-code can be placed in the end g-code of the slicer.
M42 P59 S255 ;Turns on fan M190 R35 ;Sets bed temperature to 35° and waits till it is cooled down M42 P59 S0 ;Turns off fan M140 S0 ;Turns off bed heater
Category: 3D Printer Parts