公开(公告)号：US09682435B2

公开(公告)日：2017-06-20

申请号：US14471798

申请日：2014-08-28

Applicant: Kennametal Inc.

Inventor： Yan Yan ,  Emmanuel Puviland

IPC: B23G5/06 ,  B23G5/00 ,  B23G7/02

CPC classification number: B23G5/06 ,  B23G5/005 ,  B23G7/02 ,  B23G2200/30 ,  B23G2200/34 ,  B23G2240/12 ,  Y10T408/90467 ,  Y10T408/9048

Abstract: In one aspect, thread forming taps are described herein. In some embodiments a thread forming tap comprises a shank disposed at a first end adapted to engage a tool holder and an elongated working portion disposed at a second end. The working portion comprises at least one helical thread and a plurality of longitudinally-extending linear grooves. The longitudinally-extending linear grooves intersect the helical thread forming a plurality of lobes, wherein adjacent lobes differ from one another in relief type and/or relief rate.

公开(公告)号：US20160059334A1

公开(公告)日：2016-03-03

申请号：US14471798

申请日：2014-08-28

Applicant: Kennametal Inc.

Inventor： Yan Yan ,  Emmanuel Puviland

IPC: B23G5/06

CPC classification number: B23G5/06 ,  B23G5/005 ,  B23G7/02 ,  B23G2200/30 ,  B23G2200/34 ,  B23G2240/12 ,  Y10T408/90467 ,  Y10T408/9048

Abstract: In one aspect, thread forming taps are described herein. In some embodiments a thread forming tap comprises a shank disposed at a first end adapted to engage a tool holder and an elongated working portion disposed at a second end. The working portion comprises at least one helical thread and a plurality of longitudinally-extending linear grooves. The longitudinally-extending linear grooves intersect the helical thread forming a plurality of lobes, wherein adjacent lobes differ from one another in relief type and/or relief rate.

Abstract translation: 在一个方面，这里描述了螺纹成形抽头。 在一些实施例中，螺纹成型丝锥包括设置在适于接合工具保持器的第一端和设置在第二端的细长工作部分的柄。 工作部分包括至少一个螺旋螺纹和多个纵向延伸的直线槽。 纵向延伸的线性槽与形成多个凸角的螺旋形螺纹相交，其中相邻的凸角在浮雕型和/或释放速率方面彼此不同。