Patent ID: 6293737
Filing Date: 2001-09-25
Classification: B23C,Y10T

Abstract:
A cutting insert for mounting on a milling cutter;said cutting insert being of a generally quadrangular shape and having top and bottom surfaces, a pair of opposite first side surfaces intersecting said top surface at first cutting edges and a pair of opposite second side surfaces intersecting said top surface at second edges each having a front cutting portion oriented substantially transversely to an adjacent first cutting edge and meeting therewith via a cutting corner;each of said first and second side surfaces having upper and lower sections adjacent respective top and bottom surfaces, which sections have leading portions adjacent their associated cutting corner and trailing portions remote therefrom, the trailing portion of the lower section of each second side surface being at least slightly inwardly depressed relative to the leading portion of said lower section and being substantially inwardly depressed relative to the associated trailing portion of the upper section of said second side surface, the trailing portions of the lower and upper sections merging via a transition surface oriented transversely thereto.