Air cooling system for hot-end
by fma, published
This is a new kind of cooling system for hot-ends, based on a little air pump.
The ring is designed for a ORD Bot Hadron, but can be adapted for other 3D printers.
- 1x ring
- 3x tube clips
- 1x tube split
- 3x M2.5x12 screws + nuts
- 1x air pump (one of these little things for aquarium)
- 3x50mm brass tube (ext. D 4mm)
- flexible tube (ext. D 6mm, int. D 4mm)
- 3x 5mm leds (opt.)
I didn't make tests, as I'm waiting for my new hot-end (sold the previous one with my first 3D printer, a nice Prusa, replaced by a ORD Bot Hadron), but I tried by maintaining the tube from the air pump by hand, and it seems to work fine.
My pump says it can reach 100l/min when the tube is 45cm below the surface of the water. Don't know yet if it is enough for printing at high speed. I plan to design a custom centrifugal pump, like this cute one: http://www.thingiverse.com/thing:4839. Another way to go is to use a little compressor, but this will need a pressure regulator!
The ring has 3 holes for leds.
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Air cooling system for hot-end by fma is licensed under the Creative Commons - Attribution license.
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