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    HIGH-SPEED PROCESSING TAP
    1.
    发明公开
    HIGH-SPEED PROCESSING TAP 有权
    HIGH-SPEED DRILL

    公开(公告)号：EP1611983A8

    公开(公告)日：2006-05-10

    申请号：EP04716346.4

    申请日：2004-03-02

    申请人： Yamawa Mfg. Co., Ltd. ,  Kennametal, Inc.

    发明人： AKAKI, S., Yamawa Mfg. Co., Ltd. ,  MITSUI, M., Yamawa Mfg. Co., Ltd. ,  HENDERER, Willard E.

    IPC分类号： B23G5/06

    CPC分类号： B23G5/06 ,  Y10T408/90467 ,  Y10T408/906

    摘要： A high-speed forming tap (1) for cutting and forming a female screw by cutting edges (E) of a screw portion (2) fed in synchronous with the rotation of a machine tool. The high-speed forming tap is characterized in that chamfers (CF) are provided at a bevel lead (2a) of the screw part (2). The chamfers (CF) start from the cutting edge (E) and are provided along ridgelines (R) between a crest face (2e) and flanks, or a following flank (2c) and a leading flank (2d). This structure enables the shape of the edges of the tap leading portion to be stably maintained and high-speed, smooth female screw cutting with high accuracy, and provides a tap with long life.

    SPIRAL FLUTE TAP
    3.
    发明授权
    SPIRAL FLUTE TAP 有权
    螺旋FLUTE T​​AP

    公开(公告)号：EP2073950B1

    公开(公告)日：2013-11-20

    申请号：EP07844153.2

    申请日：2007-10-11

    申请人： Kennametal Inc. ,  Yamawa Mfg. Co., Ltd.

    发明人： HENDERER, Willard E. ,  GEORGE, Stephen M. ,  BURNS, Steven R. ,  AKAKI, Mr. Sadayuki

    IPC分类号： B23G5/18

    CPC分类号： B23G5/06 ,  B23G2200/26 ,  B23G2200/48 ,  B23G2225/28 ,  B23G2225/32 ,  B23G2225/56 ,  B23G2225/60 ,  B23P15/52 ,  Y10T408/9048 ,  Y10T408/906 ,  Y10T408/9097

    摘要： A cutting tool that includes an elongate body that has a forward end and a rearward end. The elongate body has a fluted portion that beginning near and extends in a rearward direction from the forward end. The fluted portion has a flute that defines a cutting edge. The flute presents a concave cutting face wherein the concave cutting face is defined by a first radius. The flute further presents a concave core surface adjacent to the concave cutting face wherein the concave core surface is defined by a second radius. The flute presents a convex heel surface adjacent to the concave core surface wherein the convex heel surface is defined by a fourth radius.

    摘要翻译： 一种切割工具，其包括具有前端和后端的细长主体。 细长主体具有从前端开始靠近并且从前端向后方延伸的槽纹部分。 凹槽部分具有限定切割边缘的凹槽。 凹槽具有凹形切割面，其中凹形切割面由第一半径限定。 凹槽进一步呈现与凹形切割面相邻的凹形芯表面，其中凹形芯表面由第二半径限定。 凹槽呈现与凹形芯表面相邻的凸起脚跟表面，其中凸起脚跟表面由第四半径限定。

    SPIRAL FLUTE TAP
    4.
    发明公开
    SPIRAL FLUTE TAP 有权
    螺旋FLUTE T​​AP

    公开(公告)号：EP2073950A2

    公开(公告)日：2009-07-01

    申请号：EP07844153.2

    申请日：2007-10-11

    申请人： Kennametal Inc. ,  Yamawa Mfg. Co., Ltd.

    发明人： HENDERER, Willard E. ,  GEORGE, Stephen M. ,  BURNS, Steven R. ,  AKAKI, Mr. Sadayuki

    IPC分类号： B23G5/18

    CPC分类号： B23G5/06 ,  B23G2200/26 ,  B23G2200/48 ,  B23G2225/28 ,  B23G2225/32 ,  B23G2225/56 ,  B23G2225/60 ,  B23P15/52 ,  Y10T408/9048 ,  Y10T408/906 ,  Y10T408/9097

    摘要： A cutting tool that includes an elongate body (22) that has a forward end (26) and a rearward end (24). The elongate body (22) has a fluted portion (30) that beginning near and extends in a rearward direction from the forward end (26). The fluted portion (30) has a flute (36, 38, 40, 42) that defines a cutting edge. The flute presents a concave cutting face (60) wherein the concave cutting face (60) is defined by a first radius (R1). The flute further presents a concave core surface (66) adjacent to the concave cutting face (60) wherein the concave core surface (66) is defined by a second radius (R2). The flute presents a convex heel surface (64) adjacent to the concave core surface (66) wherein the convex heel surface (64) is defined by a fourth radius (R4).

    摘要翻译： 一种切割工具，其包括具有前端（26）和后端（24）的细长主体（22）。 细长本体（22）具有开口部分（30），该部分从前端（26）开始靠近并且在向后方向上延伸。 凹槽部分（30）具有限定切割边缘的凹槽（36,38,40,42）。 凹槽具有凹形切割面（60），其中凹形切割面（60）由第一半径（R1）限定。 凹槽进一步呈现邻近凹切割面（60）的凹芯表面（66），其中凹芯表面（66）由第二半径（R2）限定。 凹槽具有与凹形芯表面（66）相邻的凸起脚跟表面（64），其中凸起脚跟表面（64）由第四半径（R4）限定。