290C Heat resistant hotend nozzle 60A silicone
Description
high temp part cooling nozzle up to 290C so it can be directly in contact with you hot block without deforming use mold max 60 and mold release spray, and set up a degassing or vaccum devidce , there ae plenty DIY on line , you dont need a vacuum gauge or micron measurements, or HVAC hoses. I printed molds from PETG .2 layers, spray mold release on all the parts, place mold body on scale then tare, then pour 15gms - 20gms of red silicone then .45 - .6gm (100:3 ratio) of blue liquid (easier to use a 1cc / insuline syringe and add .6cc or 60units) mix right in the main body, maybe fill half way, then degass, then screw iin two middle pieces usomg 4 m2 x 16 mm or 15mm screws counter sink head ( i use the M2 washers in my designs 1.4mm thick ( keeps screws from poking throogh the bottom (i degass again ) then if you desire you can scew lid on and use a clamp to in center pushing excess silicone through holes in top . i didnt use the mold lid just cut excess silicone with a xacto after lettting it cure. let cure over night now your hotend nozzle can be positioned right against the hot block without deforming it; as long as it stays 290C or under I have mounts that work well and have various holes but i need to modiy they are currently to shallow of a aangle at 30 degress to bed , I will move them back to 45 degrees in the meantime I had to run my dual fan set up at 20% for PETG as dual 30degree fans at 45degree angle along with the dual heat sink fans creates maximies the synergy and you produse too much velcoity so i wil be switching mounts to 45degress angle to bed, excpeccily since you can the nozzle rest against the hotend these are super effecident.
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