Minimum quantity cooling oil device has jet head with mixing of pressurized air and cooling oil and air mantle generator providing air mantle enclosing delivered air/cooling oil mixture

摘要

The device has a jet head (20) with a mixing chamber (22) separately supplied with pressurized air and cooling oil via an air hose (26) incorporating a capillary hose (14), for delivering an air/cooling oil mixture to at least one delivery opening (30) leading to a lubrication point. An air mantle generator (6) provides an air mantle around the outside of the air/cooling oil mixture obtained from the delivery opening, with a seal packing (16,18) between betweem the jet head and the air mantle generator, for sealing the capillary hose feed against a backwards flow of the air/cooling oil mixture into the rear air space (3).