K280 Parts Cooling Fan Mount U-Shroud

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A 3D Printable light, durable and efficient U-Shroud Parts Cooling Fan Mount for the He3D K280 Mega Delta, Kossel or other similar RepRap 3D Printers, built with 20mm slotted extrusions. The design provides adequate cooling of the part with minimal impact on the nozzle and no interference with the full travel of the effector. It is designed to mount an ultra-thin 24-volt 40mm square blower fan behind the cooling block of the hot-end, with M2 screws in threaded holes at each corner of the mount. Further, the design used the four-existing threaded M3 holes in the cooling block itself to mount the assembly. The part can be easily 3D printed, without any support, on a modern inexpensive 3D Printer. It can be printed with a variety of materials, including PETG, ABS and many other types of heat tolerant printable materials. ABS works very well for this application. Alternately, PETG should be almost as good, but I have not tested it. I strongly recommend against using PLA to make this object because it will be exposed to high temperature exceeding ~55 C (~ 130 F), during normal operation of your 3D printer. At such temperature, PLA will most likely warp. I have been using this parts cooling fan assembly on my K280 since early 2018 without any issues.

Author:
DanoSoft

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