Which is better: dry or wet machining? | Cutting Tool ...
Aug 05, 2016· When neardry milling with MQL, the tool''s cutting edge works inside a mist formed from oil and compressed air, which is sprayed directly into the cutting zone. Depending on the design of a machine tool and milling cutter, the mist is delivered externally or internally through the cutter. The main function of MQL is to lubricate the cutting edge.