Venturi effect cnc mist nozzle
by robosavvy, published
This was designed to go on the end of segmented hose to spray a mix of air and liquid lubrication for use in a cnc machine. A tube connects the nozzle to a container with the lubricant. The flow of air (tested at 3bar) draws in the fluid trough the tube and mixes it with air. The tube entrance is tapered to accept tubes from 3 to 6mm. (1/8 to 1/4 inch) More information at: http://robosavvy.com/forum/viewtopic.php?p=35892#35892
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This was designed for segmented hose with a sphere diameter of 12.5mm. I assume that is standard. However depending on how much your printer squishes the first layers you might have to trim a bit around the lower edges so that you can insert the nozzle in the segmented hose.