| 主权项 |
1. A tool for machining workpieces, comprising
a shank, a cutting insert configured to be received and held by the shank and to be removable from the shank, the insert having a basic body with an end face at an outward end thereof, the shank having a front side with a slot therein shaped and configured to accommodate the cutting insert with the outward end of the insert out of the slot, the basic body of the cutting insert having a central section having a center axis, the central section having at least one convexly curved centering surface extending substantially along the direction of and also being curved around the center axis, each of the centering surfaces comprises a sectional partial area of a lateral surface of an imaginary section of a cone, wherein the lateral surface and the imaginary section of the cone tapers toward the front side of the shank, the at least one centering surface of the basic body defines an outer surface of the central section of the basic body, at least one driver extending outward from the central section of the basic body, said driver extending such that it is not parallel to the center axis; at least one driving surface formed in the slot of the shank, the driving surface extending such that it is not parallel to the center axis; the slot in the shank has at least one inner surface region shaped and configured to interact with the at least one centering surface, and the inner surface region of the slot is of corresponding shape to the centering surfaces, the at least one centering surface extends along the cutting insert up to the end face of the basic body of the cutting insert. |
