Satsana mix microswiss direct drive 5015 fan bl touch
Description
V2 Changes - enlarged BL-touch nut inserts a bit - Cut off top to make it compatible with extruder filament loading wheels - Redone LED strip mounting. Now it is a slot 3 LED strip block with a width up to 1 cm and a length up to 5 cm should fit. I connected this LED strip to my hotend cooling fan since it is 12V already. Make sure to match the voltage of the fan and the LED strip when doing the same. - Fan duct melting has been fixed by printing the fan duct out of PC (polycarbonate) and gluing (superglue) a sheet of aluminum foil onto it to reflect generated heat. See pictures. - As for the supports, best work tree supports in Cura (touching the build plate), and blocking the supports at some spots like at holes for screws. This is a remixed Satsana type fan duct for Creality Ender 3 (Pro) with direct drive micro swiss extruder upgrade. Can accommodate a 5015 blower fan as well as Bltouch for bed leveling. Currently, still a bit WIP, solving slight melting of the right fan duct. Bltouch is mounted with screws supplied with it. The 5015 fan can be mounted with two M4x22 screws. The slot on the bottom of the front fan duct is meant to be used to mount a 5050 LED strip from eBay. There is a slight problem with the right fanduct as it gets slightly melted from exposed hotend heater cartridge (the silicone boot has an opening there). I recommend gluing a strip of aluminium foil on the fan duct to reflect the heat from the hotend heater cartridge. Possibly better insulating the heater with high temp silicone could solve that problem as well as the reason is the opening in the silicone boot for wires anyways. The airflow through the hotend heatsink has been slightly optimized to force more air through the fins and to the sides. The mount was lowered by 1 mm as well to direct less air at the nozzle, but more to the extruded material. When organizing wires I recommend attaching all of them to the PTFE tube as it directs them quite well. When installing beware that the bottom nut for the 5015 fan has to be installed after putting the heater wires into their compartment, although this screw and nut might be unnecessary altogether as the fan has quite firm fit in the fanduct and the upper screw holds it quite well. On some cheaper 5015 fans it might be necessary to clip slightly the residuals from molding of the fan covers ,in order to be able to insert the fan to its place. This residual is just below the front fan clip. I recommend printing the fan duct straight up, generating supports only from the bed. It uses slightly more supports then it would when printing on its back, but makes the Bltouch mount less fragile and printing quite manageable and tiny bit faster. (One can use the tree supports as well) I printed the fan duct from PETG, although I plan on printing it from Polycarbonate to increase temperature resistance. The offsets for the Z probe are (mm) X-48 Y-12 Z1.65 (starting point) Edit: The cooling fan is standard 4010 as with the original ender 3. A thicker fan can be mounted at will, however, this will most likely interfere with the upper mounting screw of the 5015 blower fan, you can remove it, one screw and tight fit in the armature is fine for holding it in place, or use a shorter screw with shallow nut.
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