Sabreblue, MQL seems very interesting and you're right, we are very limited in the coolants we can use -no sulfur, no chlorine, no hydrocarbons etc...Right now we are using Trimsol E206 which one of the national labs recommended to us. We have a new Haas VF2 with the air blaster which we might...
We're looking to mill the best posible finish in some small parts. The material is OFE CU ASTM F68 CLS 1. (which is basically the finest grade of oxygen free copper). We need at least a 16 rms or better on the floor and walls of a small iregular pocket. We can't use a wiper type tool because of...
All cutting coolant/oil is a enviormantal hazzard there is no way around it. Use a reliable hazmat collector to deal with the waste.
Having said that, give Trimsol E206 a try. Costs about $80 to $90 per 5 gal concentrate from Rutland. Use a refractometer to maintain around a 7% mix ratio. Also...