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    • 84. 发明申请
    • ROTARY CUTTING TOOL HAVING PCD CUTTING TIP
    • 具有PCD切割提示的旋转切割工具
    • US20120288337A1
    • 2012-11-15
    • US13105408
    • 2011-05-11
    • KARTHIK SAMPATH
    • KARTHIK SAMPATH
    • B23B51/06B23P15/32
    • B23P15/32B23B51/02B23B51/06B23B2222/88B23B2226/275B23B2226/315B23B2240/08B23B2251/046Y10T408/45Y10T408/78Y10T408/9097
    • 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.
    • 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。
    • 85. 发明授权
    • Drill bit configuration
    • 钻头配置
    • US08292555B2
    • 2012-10-23
    • US12221088
    • 2008-07-31
    • William Allen Shaffer
    • William Allen Shaffer
    • B23B51/02
    • B23B51/02B23B2222/88B23B2251/04B23B2251/14B23B2251/18Y10T408/909Y10T408/9097
    • This invention has to do with a rotary twist drill of the type having a fluted cylindrical shank with a drill bit end having at least two cutting edges extending radially outwardly from the longitudinal axis of the drill. Cutting edges are formed by the intersection of the flutes with the drill point end and extend radially outwardly from the center of the drill body to the outer perimeter of the drill body. Gashes formed on the drill point end form innermost cutting edge portions which are symmetrical with one another about a point offset both horizontally and vertically from the axial centerline of the drill body so as to allow a positive cutting action at the centerline of the material to be removed.
    • 本发明涉及具有槽形圆柱形柄的旋转麻花钻,钻头端具有从钻头的纵向轴线径向向外延伸的至少两个切削刃。 切削刃由凹槽与钻头端部的相交而形成,并从钻头主体的中心径向向外延伸到钻具体的外周边。 在钻头端形成的气体形成最内侧的切削刃部分,它们相对于钻头主体的轴向中心线水平和垂直偏离的点彼此对称,以便允许材料中心线处的正切削动作为 删除。
    • 89. 发明申请
    • GUIDE BUSH AND METHOD OF FORMING HARD CARBON FILM OVER THE INNER SURFACE OF THE GUIDE BUSH
    • 指南布朗和指南布的内表面形成硬碳膜的方法
    • US20030057662A1
    • 2003-03-27
    • US08913187
    • 1997-09-08
    • miya
    • YUKIO MIYAOSAMU SUGIYAMARYOTA KOIKETAKASHI TOIDASOSAKU KIMURAKUNIHIKO KOKUBO
    • B23B031/20F16C017/02
    • B23B31/202B23B13/125B23B2222/28B23B2222/88B23B2231/2059C23C16/0281C23C16/045C23C16/26Y10T279/17418Y10T279/17452
    • A hard carbon film (15) is formed directly or through an intermediate layer for enhancing adhesion over an inner surface (11b) of a guide bush (11) for holding a workpiece (51) rotatably and axially slidable on an automatic lathe at a position near a cutting tool, to be in sliding contact with the workpiece (51) or directly or through an intermediate layer for enhancing adhesion on the surface of a superhard lining fixed to the inner surface (11b) The guide bush (11) has remarkably enhanced durability and prevents damaging the workpiece (51) and seizing that makes a machining operation impossible even when the guide bush (11) is used for an extended period of time and when the automatic lathe operates for heavy machining. The hard carbon film (15) having satisfactory adhesion to the inner surface (11b) can be efficiently formed in a uniform thickness over the inner surface (11b) by placing the guide bush (11) in a vacuum vessel, extending an auxiliary electrode in the center bore of the guide bush (11) and producing a plasma of a gas containing carbon.
    • 硬质碳膜(15)直接或通过中间层形成,用于增强在导筒(11)的内表面(11b)上的粘合力,用于保持工件(51)在自动车床上可旋转和轴向滑动的位置 靠近切割工具,与工件(51)滑动接触,或者直接或通过中间层,以增强固定在内表面(11b)上的超硬衬里的表面上的粘合力。导套(11)具有显着提高 耐久性,防止损坏工件(51),并且即使在长时间使用导套(11)的情况下以及当自动车床进行重型加工时也不能进行加工操作。 通过将引导衬套(11)放置在真空容器中,可以在内表面(11b)上以均匀的厚度有效地形成对内表面(11b)具有令人满意的粘合力的硬质碳膜(15) 引导衬套(11)的中心孔并产生含碳气体的等离子体。
    • 90. 发明授权
    • Guide bush and method of forming hard carbon film over the inner surface of the guide bush
    • 引导衬套和在导套内表面上形成硬质碳膜的方法
    • US06419997B1
    • 2002-07-16
    • US09514896
    • 2000-02-28
    • Yukio MiyaOsamu SugiyamaRyota KoikeTakashi ToidaSosaku KimuraKunihiko Kokubo
    • Yukio MiyaOsamu SugiyamaRyota KoikeTakashi ToidaSosaku KimuraKunihiko Kokubo
    • C23C1626
    • B23B31/202B23B13/125B23B2222/28B23B2222/88B23B2231/2059C23C16/0281C23C16/045C23C16/26Y10T279/17418Y10T279/17452
    • A hard carbon film (15) is formed directly or through an intermediate layer for enhancing adhesion over an inner surface (11b) of a guide bush (11) for holding a workpiece (51) rotatably and axially slidable on an automatic lathe at a position near a cutting tool, to be in sliding contact with the workpiece (51) or directly or through an intermediate layer for enhancing adhesion on the surface of a superhard lining fixed to the inner surface (11b). The guide bush (11) has remarkably enhanced durability and prevents damaging the workpiece (51) and seizing that makes a machining operation impossible even when the guide bush (11) is used for an extended period of time and when the automatic lathe operates for heavy machining. The hard carbon film (15) having satisfactory adhesion to the inner surface (11b) can be efficiently formed in a uniform thickness over the inner surface (11b) by placing the guide bush (11) in a vacuum vessel, extending an auxiliary electrode in the center bore of the guide bush (11) and producing a plasma of a gas containing carbon.
    • 硬质碳膜(15)直接或通过中间层形成,用于增强在导筒(11)的内表面(11b)上的粘合力,用于保持工件(51)在自动车床上可旋转和轴向滑动的位置 靠近切割工具,与工件(51)滑动接触,或直接或通过中间层,以增强固定在内表面(11b)上的超硬衬里的表面上的附着力。 引导衬套(11)具有显着增强的耐久性,并且防止损坏工件(51)并且即使当导套(11)长时间使用时也不可能进行加工操作,并且当自动车床操作重 加工。 通过将引导衬套(11)放置在真空容器中,可以在内表面(11b)上以均匀的厚度有效地形成对内表面(11b)具有令人满意的粘合力的硬质碳膜(15) 引导衬套(11)的中心孔并产生含碳气体的等离子体。