Machining device for machining of crankshafts, as well as machining system with such a machining device

摘要

A machining device (3) has for the machining of crankshafts (2) a tool (13) on which a disk-shaped base body (29) with circumferentially arranged on the cutting inserts (31) comprises. The tool (13) by means of a drive unit (12) about an axis of rotation (14) to be driven in rotation. Concentrically with respect to the axis of rotation (14) is a first supply line (33) for a cryogenic cooling medium (5) is arranged, which is formed at least in sections, a thermally insulating effect. Furthermore, the tool (13) a plurality of transversely with respect to the axis of rotation (14) and extending to the cutting inserts (31) of the leading second feed lines (34) for the cryogenic cooling medium (5), which are formed in an insulating manner, in each case at least in sections. A distributor unit (46) couples the first supply line (33) with at least one of the second supply lines (34) for supplying the cryogenic cooling medium (5) to at least one of the cutting inserts (31). By means of the machining device (3), the cryogenic cooling medium (5) directly to the is in engagement with the crankshaft to be processed (2) of the cutting inserts (31) is guided and this is to be cooled, as a result of which a higher productivity and efficiency in the case of the machining of the crankshafts (2) is achieved.