Cutting Insert Having Grooves Formed Between Adjacent Cutting Edges

摘要: A cutting insert has a structure by which sufficient surface area is in contact with tool holder and fluid can be smoothly flowed. The an upper face, lower plurality of side faces connecting the face through hole passing being divided into periphery region disposed adjacently to edges formed faces, central protruded between surrounding hole, placed higher than edges. along all includes descent inclined downward from given edge region, bottom ascent upward region. grooves are on each groove such that both ends directed adjacent