公开(公告)号：US20040105729A1

公开(公告)日：2004-06-03

申请号：US10642343

申请日：2003-08-18

Applicant: SANDVIK AB

Inventor： Josef Giessler ,  Jonas Svensson

IPC: B23C005/10

CPC classification number: B24B19/04 ,  B23C5/10 ,  B23C2210/0407 ,  B23C2210/0485 ,  B23C2210/203 ,  Y10T407/1946

Abstract: A rotary cutting tool includes a cutting part having helical grooves formed in an outer periphery thereof. Each groove forms a helix angle relative to the axis of rotation which gradually transforms into a smaller cutting face angle at a front end of the cutting action.

Abstract translation: 旋转切削工具包括在其外周形成有螺旋槽的切削部。 每个凹槽相对于旋转轴线形成螺旋角，其在切割动作的前端逐渐转变成较小的切割角度。