A few weeks back there was a discussion about controlling coolant on CNC machines. This just showed up in my email.
--------- OEM Equipment Replacement Valves for High-End Machining Centers co-ax valves inc.
OEM Equipment Replacement Valves for High-End Machining Centers Coolant control often occurs in milliseconds to accommodate fast machining times. The co-ax® by-pass valve immediately and accurately handles pressure regulation and the passage of contaminated, but useable, coolant. Even when de-energized, the positive shut-off benefit of the control tube design keeps the line from draining and avoids potential problems with dry start-up.
Unka' George [George McDuffee]
------------------------------------------- He that will not apply new remedies, must expect new evils: for Time is the greatest innovator: and if Time, of course, alter things to the worse, and wisdom and counsel shall not alter them to the better, what shall be the end?
Francis Bacon (1561-1626), English philosopher, essayist, statesman. Essays, "Of Innovations" (1597-1625).