for oil cooling: a heat exchanger (chiller). Not only can these drills be used on deep hole drill machines, but also on machining centres or automatic lathes, for example. All that is telling you is that where coolant is concerned, lubrication and keeping chips evacuated is more important than cooling. Keep the coolant temps below 80 degrees F so you don’t lose viscosity on the oil. for oil clarification: a complete two-level filtering system Gun Drills are happier with cutting oil than typical water soluble coolant used with CNC. for oil supply to the gundrill: two different high-pressure pumps MFT 750/12 CR is equipped with the best solutions that automatically manage these three parameters to the most suitable value: Temperature, pressure and oil cleanliness are fundamental parameters to ensure continuous trouble-free gun drilling operations. Double electronic check against gundrill-breaking, by reading the cutting effort. Electronic check of cutting parameters,
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