Apparatus for conditioning metal cutting fluids

摘要

Apparatus for maintaining the condition of cutting fluids in a machine tool sump (22) and for the removal of tramp oil from the cutting fluid has a pump (28) to draw cutting fluid from the machine tool sump (22) and transfer the fluid to an auxiliary tank (40) where the fluid outlet is directed to drive a turbine wheel (58) for rotation of a shaft (74) and simultaneously aerate the cutting fluid. Drums (76a-e) on the shaft (74) are partially submerged so as to be wetted by the tramp oil content. Wiper blades (78a-e) bear against the drum surfaces to strip the tramp oil from the drums as they rotate. A collecting trough (80) is positioned below the wiper contact line to receive the tramp oil as it is stripped from the drum and drain it off to a waste container. In this manner, the cutting fluid is in constant circulation, even when the machine tool is idle. <IMAGE> <IMAGE>