Flood coolant and chip control

[Shootymacshootface]

I have Koolmist on my big mill. It works good and I don't mind the moisture around the vise. It doesn't make surface rust, but it will leave a dark stain under the vise. I was curious how it doesn't make things rust, so I looked it up. It has a synthetic oil in it that freely mixes with water. The recommended mixture ratio is 4oz to 1gal. A 1gal jug will make about a 55gal drums worth of coolant!

 

[erikmannie]

I'm going to try denatured alcohol soon.

You’re going to put denatured alcohol in a flood coolant system?

 

[ddickey]

@erikmannie no. Guess I was off topic a little. In my mister.

 

[Winegrower]

I also use KoolMist on the mill, lathe and saw. Those air/coolant mixers are pretty cheap and can be plumbed into your air system so they are always available, so I have one for each machine. The mess is probably about as minimal as it could be for an inherently messy operation.

 

[TCSmith]

@erikmannie no. Guess I was off topic a little. In my mister.

Will you be creating an explosion hazard? Also just a general work area hazard having aerosolized it in the air.
MSDS for Denatured Alcohol

 

[TCSmith]

I have had good luck using Mobilmet 766 Neat Cutting Fluid. It is an oil so you don’t get the stink of old, soluble CF.

Who wants to switch out their CF every few months? Certainly not me. Plus I didn’t have to buy a refractometer.

You pump this from a sump just like soluble coolant?
I imagine it would not cool as well as the coolant but I'm all about using oils instead.

 

[ddickey]

Sorry Isopropyl not denatured. Will use it with my Noga Minicool which I converted to mare of a droplet type spray. Got the idea here.

 

[erikmannie]

You pump this from a sump just like soluble coolant?
I imagine it would not cool as well as the coolant but I'm all about using oils instead.

My PM-1660TL lathe came with a flood coolant system (110V sump pump, 5+ gallon reservoir). I did not want to get into the stinky zone with soluble coolant; I am not interested in a microbiology experiment.

I did some research, including calling the manufacturer, and they said it is totally fine to use cutting fluid. I don’t think that I ever have to change it.

Here is a picture of my floor, though:



Edit: I should have swept up the chips before posting that photo.

 

[matthewsx]

My PM-1660TL lathe came with a flood coolant system (110V sump pump, 5+ gallon reservoir). I did not want to get into the stinky zone with soluble coolant; I am not interested in a microbiology experiment.

I did some research, including calling the manufacturer, and they said it is totally fine to use cutting fluid. I don’t think that I ever have to change it.

Here is a picture of my floor, though:

View attachment 367187

Edit: I should have swept up the chips before posting that photo.

Nope....

 

[TCSmith]

Did some practicing on Tig brazing with silicon bronze. Turned out ok.
Got the plumbing supplies in and hooked up the pump, distribution manifold and feed/drain hoses. I may need to reevaluate some of my plumbing choices this pump creates more pressure than I was expecting. May need a bleed off circuit to reduce the line pressure.
Overall I am happy with the install. Can't wait to try it out and make a big ass mess!
The mobilmet 766 is nice and thin smells almost of hydraulic oil. Not terrible but also not super pleasant. I'll go with tolerable.
I'll have to keep an eye on the mill table, might need to increase the drain tube size. 1/2" looks like it might be a bit too small.

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