This system works well to apply the desired flow of cutting fluid to the
cutting zone. I have tried a number of different cutting fluids and
my findings are given below:
Emulsion Type Oil - Better than other oils I have tried. No smell. Cheap. Clean. Good
lubricating properties. I have used it for lathe turning and drilling.
Generous flow is recommended.
Soluble Type Oil - This product is similar to emulsion type oil. One difference is
the higher lubricity of the emulsion type, and the transparent colors of
the soluble type.
Salad Oil - When used on finishing cuts, surface finish is good, and the smell
isn't offensive. After machining; however, the mix of salad oil and
swarf is an unwelcome mess.
Motor Oil - This oil smokes when hot and has an offensive smell. It is not
suited for the home workshop.
Diesel Oil/Coal Oil - I have not personally used these lubricants, but have read that they
are effective for machining aluminum. I have not tried them because
I don't want these fluids splattered throughout the workshop.
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