公开(公告)号：US20140319898A1

公开(公告)日：2014-10-30

申请号：US13871012

申请日：2013-04-26

Applicant: KENNAMETAL INC.

Inventor： Nicholas J. Paros ,  Stephen M. George ,  Glenn W. Sheffler ,  Don C. Rowlett

IPC: E21C35/19

CPC classification number: E21C35/19 ,  E21C35/183

Abstract: A radial cutter bit includes a non-rotatable shank portion, a head portion including a tip region distal from the non-rotatable shank portion, and a cutting insert mounted at the tip region of the head portion. The cutting insert includes a body having a leading face, an opposing trailing face, a first side and a second side. The leading face has a central face portion, a first side face portion extending toward the first side of the body and a second face portion extending toward the second side of the body. The cutting insert further includes a top surface having a relief surface, a T-land surface extending between at least a portion of the leading face and the relief surface of the top surface and a cutting edge formed at the intersection of the T-land surface and the relief surface of the top surface.

Abstract translation: 径向切割刀头包括不可旋转柄部分，头部部分，其包括远离不可旋转柄部分的尖端区域，以及安装在头部的尖端区域处的切削刀片。 切削刀片包括具有前表面，相对的后表面，第一侧和第二侧的主体。 前导面具有中心面部分，朝向身体第一侧延伸的第一侧面部分和朝向身体第二侧延伸的第二面部分。 所述切削刀片还包括具有浮雕表面的顶表面，在所述前表面的至少一部分与所述顶表面的所述浮雕表面之间延伸的T形表面，以及形成在所述T形表面 和顶面的浮雕表面。

公开(公告)号：US20140319261A1

公开(公告)日：2014-10-30

申请号：US13871029

申请日：2013-04-26

Applicant: KENNAMETAL INC.

Inventor： Nicholas J. Paros ,  Stephen M. George ,  Glenn W. Sheffler ,  Don C. Rowlett

IPC: A01G23/06

CPC classification number: A01G23/067

Abstract: A stump grinding cutter bit includes a non-rotatable shank portion, a head portion integrally formed with the non-rotatable shank portion and including a tip region distal from the non-rotatable shank portion, and a cutting insert mounted at the tip region of the head portion. The cutting insert includes: a body having a top surface, a leading face, an opposing trailing face, a first side and a second side; a T-land surface extending between the leading face and the top surface and extending between the leading face and the first side and second side; and a cutting edge formed at the intersection of the T-land surface and the top surface and at the intersection of the T-land surface and the first side and the second side.

Abstract translation: 残端研磨刀头包括不可旋转柄部，与不可旋转柄部一体形成的头部，并且包括远离不可旋转柄部的尖端区域，以及安装在刀片部分的尖端区域的切削刀片 头部。 切削刀片包括：具有顶表面，前表面，相对后表面，第一侧和第二侧的主体; 在所述前表面和所述顶表面之间延伸并且在所述前表面与所述第一侧面和第二侧之间延伸的T表面表面; 以及形成在T-land表面和顶表面以及T-land表面与第一侧和第二侧交点处的交点处的切削刃。

公开(公告)号：US20140318872A1

公开(公告)日：2014-10-30

申请号：US13871009

申请日：2013-04-26

Applicant: KENNAMETAL INC.

Inventor： Nicholas J. Paros ,  Stephen M. George ,  Glenn W. Sheffler ,  Don C. Rowlett

IPC: E21B10/58

CPC classification number: E21B10/58 ,  E21B10/42

Abstract: A two-prong rotary drill bit for engaging an earth strata material includes a drill bit body having an axis of rotation, the drill bit body having a head portion at an axial forward end and a shank portion at an axial rearward end, the head portion having two mounting arms offset from the axis of rotation of the drill bit body. The two-prong rotary drill bit also includes a cutting insert attached to each mounting arm at the axial forward end of the drill bit body. Each cutting insert includes a leading face facing in the direction of rotation, a top surface having a relief surface, a T-land surface extending between the leading face and the relief surface of the top surface and a cutting edge formed at the intersection of the T-land surface and the relief surface of the top surface.

Abstract translation: 用于接合地层材料的双头旋转钻头包括具有旋转轴线的钻头体，所述钻头体在轴向前端具有头部，在轴向后端具有柄部，所述头部 具有从钻头体的旋转轴线偏离的两个安装臂。 双头旋转钻头还包括在钻头体的轴向前端附接到每个安装臂的切削刀片。 每个切削刀片包括面向旋转方向的前表面，具有浮雕表面的顶表面，在前表面和顶表面的浮雕表面之间延伸的T形表面表面和形成在该顶表面的交叉点处的切割刃 T表面和顶面的浮雕表面。

公开(公告)号：US09347276B2

公开(公告)日：2016-05-24

申请号：US13871009

申请日：2013-04-26

Applicant: Kennametal Inc.

Inventor： Nicholas J. Paros ,  Stephen M. George ,  Glenn W. Sheffler ,  Don C. Rowlett

IPC: E21B10/58 ,  E21B10/42

CPC classification number: E21B10/58 ,  E21B10/42

Abstract: A two-prong rotary drill bit for engaging an earth strata material includes a drill bit body having an axis of rotation, the drill bit body having a head portion at an axial forward end and a shank portion at an axial rearward end, the head portion having two mounting arms offset from the axis of rotation of the drill bit body. The two-prong rotary drill bit also includes a cutting insert attached to each mounting arm at the axial forward end of the drill bit body. Each cutting insert includes a leading face facing in the direction of rotation, a top surface having a relief surface, a T-land surface extending between the leading face and the relief surface of the top surface and a cutting edge formed at the intersection of the T-land surface and the relief surface of the top surface.

Abstract translation: 用于接合地层材料的双头旋转钻头包括具有旋转轴线的钻头体，所述钻头体在轴向前端具有头部，在轴向后端具有柄部，所述头部 具有从钻头体的旋转轴线偏离的两个安装臂。 双头旋转钻头还包括在钻头体的轴向前端附接到每个安装臂的切削刀片。 每个切削刀片包括面向旋转方向的前表面，具有浮雕表面的顶表面，在前表面和顶表面的浮雕表面之间延伸的T形表面表面和形成在该顶表面的交叉点处的切割刃 T表面和顶面的浮雕表面。

公开(公告)号：US09303511B2

公开(公告)日：2016-04-05

申请号：US13871023

申请日：2013-04-26

Applicant: Kennametal Inc.

Inventor： Nicholas J. Paros ,  Stephen M. George ,  Glenn W. Sheffler ,  Don C. Rowlett

IPC: E21C35/183 ,  E21B10/58 ,  E21C35/18

CPC classification number: E21C35/183 ,  E21B10/58 ,  E21C2035/1816

Abstract: A flat cutter bit for engaging an earth strata material includes a non-rotatable shank portion, a head portion integrally formed with the non-rotatable shank portion and including a tip region distal from the non-rotatable shank portion, and a cutting insert mounted at the tip region of the head portion. The cutting insert includes a body having an angled leading face, a top surface having a relief surface, a T-land surface extending between the angled leading face and the relief surface of the top surface and a cutting edge formed at the intersection of the T-land surface and the relief surface of the top surface.

Abstract translation: 用于接合地层材料的扁平铣刀头包括不可旋转的柄部分，与不可旋转柄部一体形成的头部，并且包括远离不可旋转柄部的尖端区域，以及安装在 头部的尖端区域。 所述切削刀片包括具有成角度的前表面的主体，具有浮雕表面的顶表面，在所述倾斜的前表面和所述顶表面的所述浮雕表面之间延伸的T形表面，以及形成在所述T 地面和顶面的浮雕表面。

公开(公告)号：US09428968B2

公开(公告)日：2016-08-30

申请号：US13871006

申请日：2013-04-26

Applicant: Kennametal Inc.

Inventor： Nicholas J. Paros ,  Stephen M. George ,  Glenn W. Sheffler ,  Don C. Rowlett

IPC: E21B10/58

CPC classification number: E21B10/58

Abstract: A rotary drill bit for engaging an earth strata material includes an elongate drill bit body having an axial forward end and an axial rearward end, and a cutting insert attached to the axial forward end of the elongate drill bit body. The cutting insert has an elongate insert body rotatable about a central axis and includes a pair of symmetrical halves symmetrical about the central axis, each symmetrical half including a leading face, a top surface having a relief surface, a T-land surface extending between the leading face and the relief surface and a cutting edge formed at the intersection of the T-land surface and the relief surface. The cutting edge can have a negative axial rake angle. The relief surface can include a primary relief surface and a secondary relief surface.

Abstract translation: 用于接合地层材料的旋转钻头包括具有轴向前端和轴向后端的细长钻头体，以及附接到细长钻头体的轴向前端的切削刀片。 切削刀片具有可围绕中心轴线旋转的细长插入体，并且包括一对对称的中心轴对称半部，每个对称半部分包括前表面，顶表面具有浮雕表面，T表面在 前表面和浮雕表面以及形成在T-land表面和浮雕表面交叉处的切割刃。 切削刃可以具有负轴向前角。 浮雕表面可以包括主浮雕表面和次级浮雕表面。

公开(公告)号：US20140319897A1

公开(公告)日：2014-10-30

申请号：US13871023

申请日：2013-04-26

Applicant: KENNAMETAL INC.

Inventor： Nicholas J. Paros ,  Stephen M. George ,  Glenn W. Sheffler ,  Don C. Rowlett

IPC: E21C35/183

CPC classification number: E21C35/183 ,  E21B10/58 ,  E21C2035/1816

Abstract: A flat cutter bit for engaging an earth strata material includes a non-rotatable shank portion, a head portion integrally formed with the non-rotatable shank portion and including a tip region distal from the non-rotatable shank portion, and a cutting insert mounted at the tip region of the head portion. The cutting insert includes a body having an angled leading face, a top surface having a relief surface, a T-land surface extending between the angled leading face and the relief surface of the top surface and a cutting edge formed at the intersection of the T-land surface and the relief surface of the top surface.

Abstract translation: 用于接合地层材料的扁平铣刀头包括不可旋转的柄部分，与不可旋转柄部一体形成的头部，并且包括远离不可旋转柄部的尖端区域，以及安装在 头部的尖端区域。 所述切削刀片包括具有成角度的前表面的主体，具有浮雕表面的顶表面，在所述倾斜的前表面和所述顶表面的所述浮雕表面之间延伸的T形表面，以及形成在所述T 地面和顶面的浮雕表面。

公开(公告)号：US20140318871A1

公开(公告)日：2014-10-30

申请号：US13871006

申请日：2013-04-26

Applicant: KENNAMETAL INC.

Inventor： Nicholas J. Paros ,  Stephen M. George ,  Glenn W. Sheffler ,  Don C. Rowlett

IPC: E21B10/58

CPC classification number: E21B10/58

Abstract: A rotary drill bit for engaging an earth strata material includes an elongate drill bit body having an axial forward end and an axial rearward end, and a cutting insert attached to the axial forward end of the elongate drill bit body. The cutting insert has an elongate insert body rotatable about a central axis and includes a pair of symmetrical halves symmetrical about the central axis, each symmetrical half including a leading face, a top surface having a relief surface, a T-land surface extending between the leading face and the relief surface and a cutting edge formed at the intersection of the T-land surface and the relief surface. The cutting edge can have a negative axial rake angle. The relief surface can include a primary relief surface and a secondary relief surface.

Abstract translation: 用于接合地层材料的旋转钻头包括具有轴向前端和轴向后端的细长钻头体，以及附接到细长钻头体的轴向前端的切削刀片。 切削刀片具有可围绕中心轴线旋转的细长插入体，并且包括一对对称的中心轴对称半部，每个对称半部分包括前表面，顶表面具有浮雕表面，T表面在 前表面和浮雕表面以及形成在T-land表面和浮雕表面交叉处的切割刃。 切削刃可以具有负轴向前角。 浮雕表面可以包括主浮雕表面和次级浮雕表面。