Research on Determination of the Reasonable Chip Breaker Geometry in Insert

As the appropriate chip shape in turning affects on the surface roughness of the product, tool life, chatter and machine performance, chip breaker design is the key to form the desired chip shape. Previous researchers have studied the effect of chip breaker geometry on chip breakage and have not addressed the methodological issues of accurate geometry determination. In this paper, we determined the optimal chip breaker geometry with excellent chip breakage performance and longer tool life.