Patent ID: 8721397

Claim:
Device ( 10 ) for machining, in particular eroding and grinding, rotational workpieces ( 44 ) provided with cutting edges, with a machine base ( 12 ), a machining mechanism ( 14 ), which can be displaced relative to the machine base ( 12 ), and a workpiece positioning mechanism ( 18 ), which can be displaced relative to the machine base ( 12 ), wherein the machining mechanism ( 14 ) has at least one machining tool ( 30 ), which is attached in a rotatably drivable manner to a slide arrangement ( 20 ), which can be displaced in relation to the machine base ( 12 ), for machining a functional portion to be machined of the rotational workpiece ( 44 ), and wherein the workpiece positioning mechanism ( 18 ) has a workpiece holding mechanism ( 46 ), which can be displaced relative to the machine base ( 12 ) and holds a holding portion of the rotational workpiece ( 44 ) directly or via a holding adapter for attaching the rotational workpiece ( 44 ) to the workpiece positioning mechanism ( 18 ), characterised in that the workpiece holding mechanism ( 46 ) is oriented relative to the machine base ( 12 ) and holds the holding portion of the rotational workpiece ( 44 ) such that the rotational workpiece ( 44 ) is held in position with its functional portion suspended below a workpiece holding spindle 38 for machining, and characterised in that the workpiece positioning mechanism ( 18 ) has a spindle tilting mechanism ( 42 ) by means of which the workpiece holding spindle ( 38 ) can be pivoted about a spindle tilting axis (B 1 ) such that the rotational workpiece ( 44 ) to be machined can be moved between a vertical position and a vertical oblique position below the workpiece holding spindle ( 38 ).