The Shop > CNC

Fog Misting

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PK:
Will, I use whatever cutting fluid I happen to have on hand. We're probably talking about the same thing, but my set up is less of a fog and more of a spitter... I prefer it as there's less to breath in. I'll go take some snaps.

PK:
Pics of:
The coolant tank. All of the air comes into this tank, most of it just comes straight out of it. But the small amount of back pressure is used to force coolant to the nozzle assembly.
My current mister. It's OK, that valve is very touchy..
The one I'm going to plumb in next. It has pointer needle valves and a filter and I found these really strong mag bases.....
I couldn't find a pic of the few nozzle assemblies that I have made. They basically looked like the US made fogbuster units..

Will_D:

--- Quote from: awemawson on September 19, 2018, 06:50:43 AM ---Pardon my ignorance, but, other than making fog, what do you use a fog mister FOR ?

Why do you need fog - I'm missing something here  :scratch: We have many low mists here across the fields in  the early morning, can I gather some up and send them to you :lol:

--- End quote ---
Its a cooling/blow chips away set up for a mill or lathe. Compressed air picks up a white water coolant and creates a fog of droplets that cool and lubricate the tool and workpiece. It is said to be less messy than just using white water.

Main gubbins looks like this:

https://www.amazon.co.uk/Hilitand-Coolant-Schmierungs-Drilling-Abk%C3%BChlungs/dp/B0192XS41W/ref=sr_1_fkmr2_4?ie=UTF8&qid=1537358872&sr=8-4-fkmr2&keywords=cnc+fog+mister

Just need compressed air and a reservoir of white water.

awemawson:
I thought that perhaps the pair of you were having raves, and the fog was part of the decorations & mystique !

Once very many years ago my youngest daughter insisted on capturing fog in a bottle as we were driving over a high mountain range in Spain. Inevitably she was most dissapointed when it condensed into nothing later on. Mind you, that's exactly what happened to the boyfriend that the other daughter was mooning over all that holiday - condensed into nothing - but then he was a drip  :lol:

gerritv:
PK, did you make that bottom unit? If so I would love to see how you made the needle assemblies.
I need to make a fogbuster clone, just 1 valve. The usual air valves are all wrong direction, that don't like stuff going the opposite direction at all. I want the droplets, not a fog. And it will need only 10-15 psi at low volume, like an airbrush compressor volume is adequate.

Gerrit

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