Single-piece elevation hair lead grooving cutter

Cutting edges and hair leading edges are arranged on the circumference of a disc-shaped cutter body, two hair leading edges are arranged between every two cutting edges, the hair leading edges comprise a flat edge, a left hair leading edge and a right hair leading edge, the left hair leading edge and the right hair leading edge are welded to the two sides of the front end of the flat edge, and theelevation angle a of the left hair leading edge and the right hair leading edge is 35 degrees. According to the single-piece type elevation angle hair lead grooving cutter, the two hair lead blades are additionally arranged behind the cutting blade, the hair lead blades are designed in an elevation angle and left-right interaction mode, abrasion resistance and sharpness are improved, the cuttingeffect is better due to left-right interaction of the flat blades, and the service life of the cutter is longer. 单片式仰角毛引开槽刀，圆盘形刀具体圆周上设有切削刃和毛引刃，每两个切削刃之间设有两个毛引刃，毛引刃包括平刃、左毛引和右毛引，左毛引和右毛引焊接于平刃前端两侧，左毛引和右毛引顶部毛引刃的仰角a为35°。本实用新型的单片式仰角毛引