公开(公告)号：US4893968A

公开(公告)日：1990-01-16

申请号：US168153

申请日：1988-03-15

Applicant: Zadok H. Levy

Inventor： Zadok H. Levy

IPC: B23C5/10

CPC classification number: B23C5/10 ,  B23C2210/405 ,  Y10T407/1946 ,  Y10T407/1948 ,  Y10T407/1954

Abstract: An improved end mill which is less subject to breakage in that its helical flutes in the cutting protion are tapered in depth from a maximum proximate the cutting tip to a minimum proximate the transition to the end mill's shank portion.

Abstract translation: 一种改进的立铣刀，其较少受到破坏，因为其切割部件中的螺旋槽纹从最接近切割尖端的最大深度逐渐变细到靠近端铣刀的柄部分的过渡。