Water cooled all metal hotend October 02, 2013 08:41AM |
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Re: Water cooled all metal hotend October 04, 2013 03:33PM |
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Quote
cozmicray
No I haven't designed a 3D printer hot end
but
I have been involved in a lot of designs for spacecraft
Keeping hot things from getting cold, keeping cold things from getting hot
Isolation and insolation is the key Preventing heat flow in or out.
Why does a QU-BD type extruder, with hotend 1.5" from mechanics work so well
--- without water cooling
A fan blowing on gear and motor provides good cooling
All these Rep Rap extruders are NOT DESIGNED by Thermal engineers
but kludged together by garage mechanics
I have nothing against Garage inventors
--- but we really need here is some real design, development and testing
of a thermal extruder design.
Re: Water cooled all metal hotend October 04, 2013 04:36PM |
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Re: Water cooled all metal hotend October 04, 2013 06:49PM |
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Quote
nic0laz
If you are going to talk about the designers with those words, then, come up with a design, if not, just shut up and go play with your spacecrap.
Re: Water cooled all metal hotend October 04, 2013 06:56PM |
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