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1. 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。

2. 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。

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