Leapfrog Creatr nozzle cooling system V2
by zabana, published
Because certain issues when printing bridges and problematic areas with my Leapfrog Creatr I decided to design a colling system for the printerÃÂ´s nozzle.
An add on is the increased printing speed.
I needed about 6 versions (someones with sub-versions) but finally IÃÂ´m happy with this final design.
This design can use a 50x50mm fan or a 60x60mm one, IÃÂ´ll suggest a 50x50mm one (easy to find over ebay, I bought this one "Delta AUB0512HB 50x50x15mm 5015 DC 12V 0.15A Brushless Fan 2-pin 2510 Connector"), but there is a choice to use a 60x60mm kind, but it will crash a little with the right rear stepper.
I also added in both sides holes to insert a couple of 5mm leds so we can see better the printing area :D
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Some thoughts about usage. I installed it to be controlled by software (24V on new Creatr-Board).
1. Does anyone have suggestions regarding different fan speeds? 50% or 100% doesnt seem to make any difference on my prints.
2. I start the fans adding manually M106 S[0-255] after the second layer in gcode. Any Idea how to to that automatic. I dont want to start the fan in the start-skript to prevent cooling of the first to layers that have to stick properly to the printbed.
If you don´t mind to have them always conected you can plug them to the carriage fans. In other hand you can build (or maybe buy) the circuit that controls them over D4
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