I am about ready to purchase a Haas VF6-SS and am undecided on the coolant through options.

The background is we have another unsealed OKK with 1000psi similar to the haas design. We have run the coolant through once since we bought the machine because it filled our shop with terrible mist and shot coolant onto the ceiling when we drilled.

I was considering the 300psi option as it may produce less mist. I am hoping someone can chime in and make some suggestions or let me know how it works.

The application is mostly light milling, drilling, and tapping in 6061 aluminum, and some heavier milling in steel tube for weldments, with lighter drilling and tapping. We rarely drill deeper than 8x diameter, pocketing is usually less than 3x diameter of the tool @ max depth of 75mm or so.

Thanks in advance.