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1. 发明授权

US08882412B2 Rotary cutting tool having PCD cutting tip 有权
标题翻译：具有PCD切削刀头的旋转切削刀具
公开(公告)号：US08882412B2
公开(公告)日：2014-11-11
申请号：US13105408
申请日：2011-05-11
申请人： Karthik Sampath
发明人： Karthik Sampath
IPC分类号： B23B51/06 , B23B51/02
CPC分类号： B23P15/32 , B23B51/02 , B23B51/06 , B23B2222/88 , B23B2226/275 , B23B2226/315 , B23B2240/08 , B23B2251/046 , Y10T408/45 , Y10T408/78 , Y10T408/9097
摘要： A cutting tool for performing hole-cutting operations on a workpiece when the cutting tool is rotated about a central longitudinal axis includes a generally cylindrical body having a first end structured to be mounted to a machine tool and an opposite second end structured to engage and perform cutting operations on the workpiece. A number of coolant passages are defined in the generally cylindrical body, each coolant passage of the number of coolant passages is disposed at a first helix angle relative to the central longitudinal axis. A number of flutes are formed in the generally cylindrical body, each flute of the number of flutes includes a first portion at or about the first end of the generally cylindrical body, a second portion at or about the second end of the generally cylindrical body, and a transition portion disposed therebetween. The first portion of each flute is disposed generally at the first helix angle relative to the central longitudinal axis, the second portion of each flute is disposed generally at a second helix angle relative the central longitudinal axis, and the transition portion of each flute is disposed generally at a third helix angle relative to the central longitudinal axis greater than the first helix angle.
摘要翻译：一种用于在切割工具围绕中心纵向轴线旋转时对工件执行切孔操作的切削工具包括大致圆柱形的本体，其具有被构造成安装到机床的第一端和构造成接合和执行的相对的第二端对工件进行切割操作。多个冷却剂通道限定在大致圆筒体中，多个冷却剂通道的每个冷却剂通道相对于中心纵向轴线以第一螺旋角设置。多个凹槽形成在大致圆柱形的主体中，每个凹槽数量的凹槽包括位于大致圆柱形主体的第一端处或周围的第一部分，位于大致圆柱形主体的第二端处或周围的第二部分，以及设置在其间的过渡部。每个凹槽的第一部分大致相对于中心纵向轴线以第一螺旋角设置，每个凹槽的第二部分相对于中心纵向轴线大致设置在第二螺旋角处，并且每个凹槽的过渡部分被设置通常相对于中心纵轴的第三螺旋角大于第一螺旋角。

2. 发明授权

US08061938B2 Cutting tool with chisel edge 有权
标题翻译：切割工具具有凿边
公开(公告)号：US08061938B2
公开(公告)日：2011-11-22
申请号：US12075299
申请日：2008-03-10
申请人： Karthik Sampath , Juergen Schwaegerl
发明人： Karthik Sampath , Juergen Schwaegerl
IPC分类号： B23B51/02 , B23B51/00
CPC分类号： B23B51/02 , B23B2251/04 , B23B2251/18 , B23B2251/443 , Y10T408/909 , Y10T408/9097 , Y10T408/90993
摘要： A twist drill has double margins and a chisel edge angle of between 80 degrees and 100 degrees to maximize hole straightness and to minimize “walking” of the drill upon a workpiece. The drill may be modular having a removable tip body or the drill may be of a solid configuration. A tip body is consumable and may be removed and replaced as required.
摘要翻译：麻花钻具有双边距和80度至100度之间的凿子边缘角度，以最大限度地提高孔直线度，并使钻头在工件上的“行走”最小化。钻头可以是模块化的，具有可移除的尖端体，或者钻头可以是固体构型。尖端体是消耗性的，可以根据需要被移除和更换。

3. 发明授权

US09463531B2 Three-dimensional surface shaping of rotary cutting tool edges with lasers 有权
标题翻译：具有激光的旋转刀具边缘的三维表面成形
公开(公告)号：US09463531B2
公开(公告)日：2016-10-11
申请号：US12604752
申请日：2009-10-23
申请人： Christoph Gey , Karthik Sampath , Fabian Rosenberger , Stephen George
发明人： Christoph Gey , Karthik Sampath , Fabian Rosenberger , Stephen George
IPC分类号： B23K26/28 , B23K26/38
CPC分类号： B23K26/38 , B23K2101/002 , Y10T407/19
摘要： A method for forming the cutting edge and adjacent contoured surface area of rotary cutting tools utilizing a laser to remove material from the cutting end of the tool to create a predetermined point-by-point geometry is disclosed. Relatively complex surface and edge geometries may be formed by directing a laser beam toward the cutting end of the tool at an angle having a component that is normal to the surface of the cutting end. The laser beam is directed in multiple passes across the surface of the cutting end to remove material and form the desired cutting edge and adjacent three-dimensional contoured surface geometry.
摘要翻译：公开了一种用于形成旋转切割工具的切割边缘和相邻轮廓表面积的方法，该方法利用激光从工具的切割端移除材料以产生预定的逐点几何形状。相对复杂的表面和边缘几何可以通过将激光束以具有垂直于切割端的表面的分量的角度引导到工具的切割端来形成。激光束多次穿过切割端的表面以去除材料并形成期望的切割边缘和相邻的三维轮廓表面几何形状。

4. 发明申请

US20120308319A1 ROTARY CUTTING TOOL HAVING COATED CUTTING TIP AND COOLANT HOLES AND METHOD OF FABRICATING 审中-公开
标题翻译：具有涂层切割头和冷却孔的旋转切割工具及其制造方法
公开(公告)号：US20120308319A1
公开(公告)日：2012-12-06
申请号：US13152389
申请日：2011-06-03
申请人： Karthik Sampath , Armin Josef Zimmermann
发明人： Karthik Sampath , Armin Josef Zimmermann
IPC分类号： B23B51/06 , B23P15/32 , B23B51/02
CPC分类号： B23B51/02 , B23B2226/315 , B23B2240/08 , B23B2250/12 , B23B2251/50 , Y10T408/455 , Y10T408/81 , Y10T408/89
摘要： A cutting tool for performing hole-cutting operations on a workpiece when the cutting tool is rotated about a central longitudinal axis. The cutting tool includes a generally cylindrical body having a first end structured to engage the workpiece and an opposite second end structured to be mounted to a machine tool; a groove formed in the first end of the generally cylindrical body, the groove disposed generally transverse to the longitudinal axis; and a nib portion disposed in, and coupled to, the groove via a brazing process.
摘要翻译：一种用于当切割工具围绕中心纵向轴线旋转时对工件进行切孔操作的切割工具。切割工具包括大致圆柱体，其具有构造成接合工件的第一端和构造成安装到机床的相对的第二端; 形成在所述大体圆筒体的第一端中的凹槽，所述槽基本上横向于所述纵向轴线设置; 以及通过钎焊工艺设置在凹槽中并联接到凹槽的笔尖部分。

5. 发明申请

US20120288337A1 ROTARY CUTTING TOOL HAVING PCD CUTTING TIP 有权
标题翻译：具有PCD切割提示的旋转切割工具
公开(公告)号：US20120288337A1
公开(公告)日：2012-11-15
申请号：US13105408
申请日：2011-05-11
申请人： KARTHIK SAMPATH
发明人： KARTHIK SAMPATH
IPC分类号： B23B51/06 , B23P15/32
CPC分类号： B23P15/32 , B23B51/02 , B23B51/06 , B23B2222/88 , B23B2226/275 , B23B2226/315 , B23B2240/08 , B23B2251/046 , Y10T408/45 , Y10T408/78 , Y10T408/9097
摘要： A cutting tool for performing hole-cutting operations on a workpiece when the cutting tool is rotated about a central longitudinal axis includes a generally cylindrical body having a first end structured to be mounted to a machine tool and an opposite second end structured to engage and perform cutting operations on the workpiece. A number of coolant passages are defined in the generally cylindrical body, each coolant passage of the number of coolant passages is disposed at a first helix angle relative to the central longitudinal axis. A number of flutes are formed in the generally cylindrical body, each flute of the number of flutes includes a first portion at or about the first end of the generally cylindrical body, a second portion at or about the second end of the generally cylindrical body, and a transition portion disposed therebetween. The first portion of each flute is disposed generally at the first helix angle relative to the central longitudinal axis, the second portion of each flute is disposed generally at a second helix angle relative the central longitudinal axis, and the transition portion of each flute is disposed generally at a third helix angle relative to the central longitudinal axis greater than the first helix angle.
摘要翻译：一种用于在切割工具围绕中心纵向轴线旋转时对工件执行切孔操作的切削工具包括大致圆柱形的本体，其具有被构造成安装到机床的第一端和构造成接合和执行的相对的第二端对工件进行切割操作。多个冷却剂通道限定在大致圆筒体中，多个冷却剂通道的每个冷却剂通道相对于中心纵向轴线以第一螺旋角设置。多个凹槽形成在大致圆柱形的主体中，每个凹槽数量的凹槽包括位于大致圆柱形主体的第一端处或周围的第一部分，位于大致圆柱形主体的第二端处或周围的第二部分，以及设置在其间的过渡部。每个凹槽的第一部分大致相对于中心纵向轴线设置在第一螺旋角度，每个凹槽的第二部分相对于中心纵向轴线大致设置在第二螺旋角处，并且每个凹槽的过渡部分被设置通常相对于中心纵轴的第三螺旋角大于第一螺旋角。

6. 发明申请

US20120093600A1 CUTTING TIP AND ROTARY CUTTING TOOL EMPLOYING SAME 有权
标题翻译：切割尖和旋转切割工具使用
公开(公告)号：US20120093600A1
公开(公告)日：2012-04-19
申请号：US12905427
申请日：2010-10-15
申请人： KARTHIK SAMPATH , VLADIMIR VOLOKH
发明人： KARTHIK SAMPATH , VLADIMIR VOLOKH
IPC分类号： B23B51/02
CPC分类号： B23B51/02 , B23B2251/04 , B23B2251/082 , B23B2251/085 , B23B2251/14 , B23B2251/18 , Y10T408/89 , Y10T408/906 , Y10T408/9065
摘要： A rotary cutting tool for performing hole-cutting operations on a workpiece includes a first end structured to engage and perform cutting operations on the workpiece. The first end is defined by a cutting profile. The cutting tool also includes an opposite second end structured to be mounted in a machine tool, a central longitudinal axis extending between the first and second ends, and a generally cylindrical body disposed about the central longitudinal axis between the first end and the opposite second end. The cutting profile comprises a first portion adjacent the central longitudinal axis and disposed generally at a first angle relative to the central longitudinal axis; a second portion adjacent the first portion and disposed generally at a second angle relative to the central longitudinal axis; and a third portion adjacent the second portion and disposed generally at a third angle relative to the central longitudinal axis. The second angle is greater than both the first and third angles.
摘要翻译：用于在工件上进行切孔操作的旋转切削工具包括构造成在工件上接合和执行切削操作的第一端。第一端由切割轮廓定义。该切割工具还包括构造成安装在机床中的相对的第二端，在第一和第二端之间延伸的中心纵向轴线，以及围绕第一端和相对的第二端之间的中心纵向轴线布置的大致圆柱形的主体。切割轮廓包括与中心纵向轴线相邻的第一部分，并且相对于中心纵向轴线大致以第一角度设置; 邻近第一部分并相对于中心纵向轴线大致以第二角度设置的第二部分; 以及与第二部分相邻并且相对于中心纵向轴线大致以第三角度设置的第三部分。第二角度大于第一和第三角度。

7. 发明申请

US20110268518A1 ROTARY CUTTING TOOL HAVING PCD CUTTING TIP 有权
标题翻译：具有PCD切割提示的旋转切割工具
公开(公告)号：US20110268518A1
公开(公告)日：2011-11-03
申请号：US12907397
申请日：2010-10-19
申请人： Karthik Sampath , Armin Zimmerman , Steve George
发明人： Karthik Sampath , Armin Zimmerman , Steve George
IPC分类号： B23B51/02 , B23B51/06 , B23P15/32 , B23B27/20
CPC分类号： B23P15/32 , B23B51/02 , B23B51/06 , B23B2222/88 , B23B2226/275 , B23B2226/315 , B23B2240/08 , B23B2250/12 , B23B2251/18 , B23B2251/408 , B23H9/14 , Y10T408/455 , Y10T408/81 , Y10T408/906 , Y10T408/9097
摘要： A rotary cutting tool comprises an elongate body disposed about a longitudinal axis, the elongate body including a helical flute and a polycrystalline-diamond cutting tip. The cutting tip comprises an inner portion having an inner point angle and an outer portion having an outer point angle different from the inner point angle.
摘要翻译：旋转切割工具包括围绕纵向轴线设置的细长主体，细长主体包括螺旋槽和多晶金刚石切割尖端。切割尖端包括具有内点角度的内部部分和具有不同于内点角度的外点角度的外部部分。

8. 发明申请

US20110097162A1 Three-Dimensional Surface Shaping of Rotary Cutting Tool Edges with Lasers 有权
标题翻译：带激光的旋切刀具三维表面成型
公开(公告)号：US20110097162A1
公开(公告)日：2011-04-28
申请号：US12604752
申请日：2009-10-23
申请人： Christoph Gey , Karthik Sampath , Fabian Rosenberger , Stephen George
发明人： Christoph Gey , Karthik Sampath , Fabian Rosenberger , Stephen George
IPC分类号： B26D1/12 , B23K26/00
CPC分类号： B23K26/38 , B23K2101/002 , Y10T407/19
摘要： A method for forming the cutting edge and adjacent contoured surface area of rotary cutting tools utilizing a laser to remove material from the cutting end of the tool to create a predetermined point-by-point geometry is disclosed. Relatively complex surface and edge geometries may be formed by directing a laser beam toward the cutting end of the tool at an angle having a component that is normal to the surface of the cutting end. The laser beam is directed in multiple passes across the surface of the cutting end to remove material and form the desired cutting edge and adjacent three-dimensional contoured surface geometry.
摘要翻译：公开了一种用于形成旋转切割工具的切割边缘和相邻轮廓表面积的方法，该方法利用激光从工具的切割端移除材料以产生预定的逐点几何形状。相对复杂的表面和边缘几何可以通过将激光束以具有垂直于切割端的表面的分量的角度引导到工具的切割端来形成。激光束多次穿过切割端的表面以去除材料并形成期望的切割边缘和相邻的三维轮廓表面几何形状。

9. 发明申请

US20090226271A1 Cutting tool with chisel edge 有权
标题翻译：切割工具具有凿边
公开(公告)号：US20090226271A1
公开(公告)日：2009-09-10
申请号：US12075299
申请日：2008-03-10
申请人： Karthik Sampath , Juergen Schwaegerl
发明人： Karthik Sampath , Juergen Schwaegerl
IPC分类号： B23B51/00
CPC分类号： B23B51/02 , B23B2251/04 , B23B2251/18 , B23B2251/443 , Y10T408/909 , Y10T408/9097 , Y10T408/90993
摘要： A twist drill has double margins and a chisel edge angle of between 80 degrees and 100 degrees to maximize hole straightness and to minimize “walking” of the drill upon a workpiece. The drill may be modular having a removable tip body or the drill may be of a solid configuration. A tip body is consumable and may be removed and replaced as required.
摘要翻译：麻花钻具有双边距和80度至100度之间的凿子边缘角度，以最大限度地提高孔直线度，并使钻头在工件上的“行走”最小化。钻头可以是模块化的，具有可移除的尖端体，或者钻头可以是固体构型。尖端体是消耗性的，可以根据需要被移除和更换。

10. 发明授权

US09539652B2 Rotary cutting tool having PCD cutting tip 有权
标题翻译：旋转刀具具有PCD切削刀头
公开(公告)号：US09539652B2
公开(公告)日：2017-01-10
申请号：US12907397
申请日：2010-10-19
申请人： Karthik Sampath , Armin Zimmerman , Steve George
发明人： Karthik Sampath , Armin Zimmerman , Steve George
IPC分类号： B23B51/02 , B23B51/06
CPC分类号： B23P15/32 , B23B51/02 , B23B51/06 , B23B2222/88 , B23B2226/275 , B23B2226/315 , B23B2240/08 , B23B2250/12 , B23B2251/18 , B23B2251/408 , B23H9/14 , Y10T408/455 , Y10T408/81 , Y10T408/906 , Y10T408/9097
摘要： A rotary cutting tool comprises an elongate body disposed about a longitudinal axis, the elongate body including a helical flute and a polycrystalline-diamond cutting tip. The cutting tip comprises an inner portion having an inner point angle and an outer portion having an outer point angle different from the inner point angle.
摘要翻译：旋转切割工具包括围绕纵向轴线设置的细长主体，细长主体包括螺旋槽和多晶金刚石切割尖端。切割尖端包括具有内点角度的内部部分和具有不同于内点角度的外点角度的外部部分。

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