Patent attributes
An exemplary machining method used to machine a predetermined curved surface on a workpiece (46) comprising: (1) providing a machining apparatus (30), the machining apparatus including a vertical tool spindle (40) for mounting a tool (42) and a workpiece spindle (44) being rotatable in an axis thereof, the tool spindle being rotatable relative to a vertical direction, a rotational axis of the workpiece spindle is oblique relative to a rotational axis of the tool spindle; (2) mounting the workpiece onto the workpiece spindle; (3) driving the spindle and the workpiece spindle to rotate, and positioning the tool corresponding to the workpiece; and (4) driving a machining point of the tool to move on the predetermined curved surface and along a path passing through a top point “P” and any point “Q” of an edge of the predetermined curved surface.