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    • 3. 发明申请
    • SURFACE DECARBURIZATION OF A DRILL BIT HAVING A REFINED PRIMARY CUTTING EDGE
    • 一个精炼的主切割边的钻头的表面脱砂
    • WO1995013894A1
    • 1995-05-26
    • PCT/US1994012929
    • 1994-11-10
    • ROGERS TOOL WORKS, INC.
    • ROGERS TOOL WORKS, INC.BRITZKE, Robert, W.EASON, JimmyFANG, Zhigang
    • B23B51/02
    • B24D3/26B23B51/02B23B2228/10B23B2251/122B23B2251/125B23B2251/18B23B2251/426B24B3/26C21D3/04C21D9/22
    • The present invention provides a method of surface decarburizing a cemented carbide cutting tool. The tool is placed in a protective environnement. The tool is heated to an elevated temperature of between 600-1100 degrees C while in the protective environment for a period of 15-120 minutes. In another aspect of the invention, a drill is provided having a drill body which has a cutting tip, an axis of symmetry, and a plurality of flutes (15), wherein the flutes have a rake surface at the cutting tip. The cutting tip comprises a plurality of side blades (42) between the flutes and joined at a web. A plurality of flank surfaces (47) extend from an outer diameter of the cutting tip to the axis of symmetry and a plurality of primary cutting edges (40) are present at the intersection of the flank surfaces with the rake surfaces. The primary cutting edges include either an angular (41) or radius surface or a combination thereof extending from the flank surfaces to the rake surfaces.
    • 本发明提供一种硬质合金切削工具的表面脱碳方法。 该工具放置在保护环境中。 该工具在保护环境中加热至600-1100摄氏度的高温,时间为15-120分钟。 在本发明的另一方面,提供一种具有钻头主体的钻头,该钻体具有切割尖端,对称轴线以及多个凹槽(15),其中凹槽在切割尖端处具有前刀面。 切割尖端包括位于凹槽之间并在腹板处连接的多个侧叶片(42)。 多个侧面(47)从切割尖端的外径延伸到对称轴线,并且多个主切削刃(40)存在于侧面与前刀面的交叉处。 主切削刃包括从侧面到前刀面的角度(41)或半径表面或其组合。
    • 4. 发明公开
    • Internally insulated extrusion die
    • InnenisolierteExtruderdüse。
    • EP0246921A2
    • 1987-11-25
    • EP87304591.8
    • 1987-05-22
    • ROGERS TOOL WORKS, INC.
    • Wolfe, John R., Jr
    • B29C47/86B29C47/30B29B9/06
    • B29C47/30B29B9/065B29C47/0011B29C47/86B29C47/862B29C47/8895
    • A die assembly for plastic pelletizing apparatus of the type including a cooling bath into which the plastic is extruded. The die assembly includes a heated main body (10) having first and second oppositely disposed exterior faces (18; 20) connected by a plurality of relatively small extrusion passageways (22). A layer of thermal insulation material (40) overlies the second face (20), and a cover member (44) having an outer surface adapted to be exposed to the cooling bath is positioned over the thermal insulation material and joined to the main body. Wear resistant insert members (52) formed from a material having a higher coefficient of thermal conductivity than the material from which the cover member (44) is made extend from the outer surface of the cover member through the layer of insulation into the main body. Extrusion outlet orifices are formed through the insert members (52) and define continuations of the extrusion passageways (22) of the main body (10). The relationship between the inserts (52), the cover (44), the insulation (40), and the main body (10) produces an increased heat flow from the main body to the outer die face in confined areas about the orifices. This heat flow advantageously reduces the possibility of freeze-off and plugging of the orifices due to premature solidification of the extruded plastic.
    • 一种用于塑料造粒装置的模具组件,其包括挤出塑料的冷却浴。 模具组件包括加热的主体(10),其具有通过多个相对小的挤压通道(22)连接的第一和第二相对设置的外表面(18; 20)。 一层绝热材料(40)覆盖在第二面(20)上,并且具有适于暴露于冷却浴的外表面的盖构件(44)位于绝热材料上并且连接到主体。 由具有比覆盖构件(44)制成的材料更高的导热系数的材料形成的耐磨插入构件(52)从盖构件的外表面通过绝缘层延伸到主体中。 挤出出口通过插入件(52)形成,并限定主体(10)的挤压通道(22)的连续。 插入件(52),盖(44),绝缘体(40)和主体(10)之间的关系在围绕孔的密闭区域中产生从主体到外模面的增加的热流。 这种热流有利地降低了由于挤出的塑料的过早凝固导致的孔的冻结和堵塞的可能性。
    • 5. 发明公开
    • Surface decarburization of a drill bit having a refined primary cutting edge
    • 具有精磨主切削刃的钻头的表面脱碳
    • EP1205563A1
    • 2002-05-15
    • EP01204918.5
    • 1994-11-10
    • Rogers Tool Works, Inc.
    • Britzke, Robert W.Fang, ZhigangEason, Jimmy
    • C21D3/04C21D9/22C23C30/00B24B3/26B23B51/02
    • B24D3/26B23B51/02B23B2228/10B23B2251/122B23B2251/125B23B2251/18B23B2251/426B24B3/26C21D3/04C21D9/22
    • The present invention provides a method of surface decarburizing a cemented carbide cutting tool. The tool is placed in a protective environment. The tool is heated to an elevated temperature of between 600-1100 degrees C while in the protective environment for a period of 15-120 minutes. In another aspect of the invention, a drill is provided having a drill body (13) which has a cutting tip, an axis of symmetry, and a plurality of flutes (15), wherein the flutes (15) have a rake surface (17) at the cutting tip. The cutting tip comprises a plurality of side blade between the flutes (15) and joined at a web. A plurality of flank surfaces (27) extend from an outer diameter of the cutting tip to the axis of symmetry and a plurality of primary cutting edges (20) are present at the intersection of the flank surfaces (27) with the rake surfaces (17). The primary cutting edges (20) include either an angular or radius surface (21) or a combination thereof extending from the flank surfaces (27) to the rake surfaces (17).
    • 本发明提供了一种使硬质合金切削工具表面脱碳的方法。 该工具置于保护环境中。 工具在保护环境中加热到600-1100摄氏度之间的高温,持续15-120分钟。 在本发明的另一方面中,提供了一种钻具,其具有钻削主体(13),该钻削主体具有切削尖端,对称轴线和多个凹槽(15),其中凹槽(15)具有前倾表面 )在切割尖端。 切削刀片包括多个位于凹槽(15)之间并且在腹板处连接的侧刀片。 多个侧面(27)从切削刃尖的外径延伸到对称轴线,并且多个主切削刃(20)存在于侧面(27)与前刀面(17)的相交处 )。 主切削刃(20)包括从侧面(27)延伸到前刀面(17)的角形或半径表面(21)或其组合。
    • 8. 发明公开
    • Internally insulated extrusion die
    • 内绝缘挤出机
    • EP0246921A3
    • 1989-05-24
    • EP87304591.8
    • 1987-05-22
    • ROGERS TOOL WORKS, INC.
    • Wolfe, John R., Jr
    • B29C47/86B29C47/30B29B9/06
    • B29C47/30B29B9/065B29C47/0011B29C47/86B29C47/862B29C47/8895
    • A die assembly for plastic pelletizing apparatus of the type including a cooling bath into which the plastic is extruded. The die assembly includes a heated main body (10) having first and second oppositely disposed exterior faces (18; 20) connected by a plurality of relatively small extrusion passageways (22). A layer of thermal insulation material (40) overlies the second face (20), and a cover member (44) having an outer surface adapted to be exposed to the cooling bath is positioned over the thermal insulation material and joined to the main body. Wear resistant insert members (52) formed from a material having a higher coefficient of thermal conductivity than the material from which the cover member (44) is made extend from the outer surface of the cover member through the layer of insulation into the main body. Extrusion outlet orifices are formed through the insert members (52) and define continuations of the extrusion passageways (22) of the main body (10). The relationship between the inserts (52), the cover (44), the insulation (40), and the main body (10) produces an increased heat flow from the main body to the outer die face in confined areas about the orifices. This heat flow advantageously reduces the possibility of freeze-off and plugging of the orifices due to premature solidification of the extruded plastic.
    • 9. 发明公开
    • Surface decarburization of a drill bit having a refined primary cutting edge
    • Oberflächen-Entkoklung eines Bohrer mit rafinierterPrimärschneidkante
    • EP1203828A1
    • 2002-05-08
    • EP01204914.4
    • 1994-11-10
    • Rogers Tool Works, Inc.
    • The designation of the inventor has not yet been filed
    • C21D3/04C21D9/22C23C30/00B24B3/26B23B51/02
    • B24D3/26B23B51/02B23B2228/10B23B2251/122B23B2251/125B23B2251/18B23B2251/426B24B3/26C21D3/04C21D9/22
    • The present invention provides a method of surface decarburizing a cemented carbide cutting tool. The tool is placed in a protective environment. The tool is heated to an elevated temperature of between 600-1100 degrees C while in the protective environment for a period of 15-120 minutes. In another aspect of the invention, a drill is provided having a drill body (13) which has a cutting tip, an axis of symmetry, and a plurality of flutes (15), wherein the flutes (15) have a rake surface (17) at the cutting tip. The cutting tip comprises a plurality of side blade between the flutes (15) and joined at a web. A plurality of flank surfaces (27) extend from an outer diameter of the cutting tip to the axis of symmetry and a plurality of primary cutting edges (20) are present at the intersection of the flank surfaces (27) with the rake surfaces (17). The primary cutting edges (20) include either an angular or radius surface (21) or a combination thereof extending from the flank surfaces (27) to the rake surfaces (17).
    • 本发明提供一种硬质合金切削工具的表面脱碳方法。 该工具放置在保护环境中。 该工具在保护环境中加热至600-1100摄氏度的高温,时间为15-120分钟。 在本发明的另一方面,提供了一种具有钻头主体(13)的钻头,所述钻体具有切割尖端,对称轴线和多个凹槽(15),其中所述凹槽(15)具有前刀面(17) )在切割尖端。 切割尖端包括在凹槽(15)之间的多个侧叶片并且在腹板处连接。 多个侧面(27)从切割尖端的外径延伸到对称轴线,并且在侧面(27)与前刀面(17)的交叉处存在多个主切削刃(20) )。 主切削刃(20)包括从侧面(27)到前刀面(17)延伸的角度或半径表面(21)或其组合。