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Re: A Drip Coolant System #MISC

 

Gene
Keep us informed, but I avoid?air feeds like the plague.
I came up with my IV drip feed I think 12 years?ago, and with the workshop that is so small that you cannot even spin a mouse around let alone a cat, this system has done me well, and thank god I hang things from the roof.
I am old fashioned but with my wifes current cancer problems, we try to avoid any chemicals lurking around us.
I think with the current world climatic?changes, do we really need to blast more crap into the air?
Yes I have a small air compressor, but rarely use it, maybe blowing swarf out of blind holes, but never?
blast the machines with air as a way to clean them. Old fashioned as I am, but no way do I blow?
chips etc with air, as they will eventually find ther way under the machine beds. A good old fashioned paintbrush?and a shop vac does me.
But we can all move forward and learn, innovation is the KEY to this forum's success , as we are not a group of monkeys see, monkeys do.
Many thanks for your continued posts and of course your enthusiasm. Love it.
Stay well .
John?


On Tue, 17 Aug 2021 at 17:06, Gene Pavlovsky <gene.pavlovsky@...> wrote:
Charlie,

I like the simplicity and low price of the gravity-powered system, but personally I would like to use something more predictable for unattended operation.

I am yet to build something for my recently acquired Paulimot F205-V milling machine, but I am planning this project.
In my tiny cellar workshop I don't want to consider a flood coolant system, I've read about mist coolant systems, but apparently these can make quite a mess too, with the coolant aerosol filling the whole shop - unhealthy, too.
Then I learned about a "FogBuster" system, which looks similar to a mist system, but the cutting fluid droplets are bigger in size, they are not really atomized into an aerosol, and so it's not messy and much better for one's lungs.
A quick search on the internet revealed a few DIY FogBuster builds, which are quite simple and inexpensive to implement as long as the shop has compressed air.
The general idea is that cutting fluid and air are mixed together in a mixing block, and a nozzle directs the stream to the workpiece. The cutting fluid is stored in a residential water filter housing (without a filter inside), which is inexpensive, easy to find, and easy to plumb into. Compressed air is supplied to the housing, so that oil is forced through a tube towards the mixing block. Just before the mixing block, there's a flow control valve. The additional air line also has a flow control valve near the mixing block. The two valves allow good adjustment for the amount of oil and air delivered. It's also possible to use just air to provide some cooling and blow away the chips. Both air lines (one to the filter housing, the other to the mixing block) have their own pressure regulators, which are adjusted once and then left alone.
I read about another similar system where the oil is metered and delivered by an automotive windshield washer pump.
Yet another system uses a peristaltic pump, suitable small ones are available for little money from China.

My own plan is to use a peristaltic pump to deliver the oil, and mix it with compressed air in a mixing block. Got a used medical pump on eBay for little money, called Gilson Minipuls 2.

But, for sure, the drip system you described is cheaper and quicker to rig, and doesn't require compressed air or electricity.
Maybe someone will find the info I posted useful, though.

Cheers
Gene


--
John
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