CUTTING INSERT, CUTTING TOOL, AND METHOD FOR MANUFACTURING CUT PRODUCT USING CUTTING INSERT AND CUTTING TOOL

摘要

cutting insert according to an embodiment of the present invention, the upper surface to the first cutting edge a second groove of the first pair is continuous in each of which extends along that as well as the longitudinal direction of the first groove and the pair of second cutting edges extending along that as well as the longitudinal direction are continuous, the 1 groove and a pair of, and has a pair of raised portions are located between the respective second groove, one according to the pair of the raised portion goes away from as well as the end face cutting edge that each is continuous with the end face of the cutting edge The larger the distance between each other. And a cutting tool having a cutting insert by using the cutting tool there is provided a method for producing a cutting work. ;