Patent ID: 8596933
Filing Date: 2013-12-03
Classification: B23C,Y10T

Abstract:
1. A cutting tool comprising a cutting insert and a main body, wherein said cutting insert includes an upper surface, a lower surface and a side surface connecting the upper surface and the lower surface, said main body including a pocket part where the cutting insert is mounted and said lower surface of the cutting insert forming a downwardly convex configuration as a whole; and wherein the lower surface of the cutting insert includes a base surface, a first inclined surface extending toward the upper surface from the inner end of the base surface and being inclined in the direction of the inside of the main body when the cutting insert is mounted in the pocket part, and a second inclined surface extending toward the upper surface from the outer end of the base surface and being inclined in the direction of the outside of the main body when the cutting insert is mounted in the pocket part, said pocket part including a side surface and a bottom surface and said side surface of the cutting insert contacting the side surface of the pocket part and the second inclined surface of the cutting insert contacting the bottom surface of the pocket part.