Coolant treatment apparatus

Abstract

The coolant treatment apparatus includes a first flow channel through which coolant flows, a first filter which is provided on the path of the first flow channel, a second flow channel which is branched from the first flow channel and through which coolant from the first flow channel flows, a first coolant discharge unit which discharges the coolant toward a machining point of a workpiece, and a first pump which is provided on the path of the second flow channel and configured to pump the coolant toward the first coolant discharge unit, a third flow channel which is branched from the first flow channel and through which the coolant from the first flow channel flows, a second coolant discharge unit which discharges the coolant supplied from the third flow channel, and a second filter which is cleaned by the coolant discharged from the second coolant discharge unit.

Dependencies are inferred from the claim text.