Fan mounts for Reach 3D Printer

thingiverse

Update: Made a new integrated fan and mount for the radial fan. This design is modified for a different set up (30x30mm fan) I am currently designing but since I never liked the original design I figured I'd share tjhis now in the interim. The way the radial fan mounts is you'll have to drill/tap for a m3 bolt to fit in the hole. You'll then want to grab a m3x25mm bolt, put a washer on it, then through the fan mounting hole, then another washer and a split washer. The split washer isn't necessary but I like the tension it adds. This design is meant to to swivel and snap into place. It will make more sense when the new assembly is made/released as to why the swivel is there. To mount the assembly, you'll squish it between the 40x40 fan and the sideFanv2 file. You'll want to use all 4 screws to mount it. It allows for z axis adjustment this way. I have the bottom of this mount about 20mm below the bottom face of the 40x40 mm. This should roughly direct the airflow to the tip of the nozzle. Made upgrades to the original Reach 3D Printer or what I think are. Changed the mounting for the proximity sensor because I prefer using the nuts to make small adjustments. The nuts are a little hard to turn so I made a knurled nut holder to make adjustments easier. Changed the mount for the 40x40mm fan to blow only to the heat sink with two side rails to direct the perpendicular flow. Also added a circular fan for the hot end. The attachement snaps onto a 50mmx15mm blower fan. You'll need to print the fanSupport to mount it.You'll notice in the picture there is a nickel wedged between the fanSupport and the sideFan. The nickel pushes the fan support out of the way allow full bed print use. WIthout it, the fan support tends to bump into the Z-axis nut. A #4 wood screw is used to hold the circleFan to the fanSupport to allow vertical adjustments. Concern: After a couple hours worth of prints I noticed the circleFan drooped 2mm at the worst place. This happened because the fan heats up due to how close it is but only droops because my heater wires are resting on the circleFan and pushing it down causing it to warp. I fixed the warp by heating my bed to 80 C and lettting the circleFan sit on it until it became flat again. There is a V2_1 (recommended) which is a basically a half circle. This provides adequate airflow and does not have a sag problem. Print Settings Printer: Reach3D Rafts: No Supports: No Resolution: 0.2 mm Infill: 20% Notes: If you orient them correctly, no supports are needed.