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    • 6. 发明专利
    • Cutting tool
    • 切割用具
    • JP2009083096A
    • 2009-04-23
    • JP2008234053
    • 2008-09-11
    • Sumitomo Electric Hardmetal CorpSumitomo Electric Ind Ltd住友電工ハードメタル株式会社住友電気工業株式会社
    • ISHIDA TOMOYUKIMORIGUCHI HIDEKIIKEGAYA AKIHIKO
    • B23B27/14B23B27/22C22C27/04C22C29/08C23C14/06C23C16/34
    • PROBLEM TO BE SOLVED: To provide a cutting tool having excellent impact resistance and providing good gloss on a finish surface.
      SOLUTION: The cutting tool 10 is composed by laminating a cemented carbide layer 11 and a cermet layer 12. The whole rake face is formed of the cemented carbide layer 11, and a flank face is formed of an laminated surface of the cemented carbide layer 11 and the cermet layer 12. At a cutting blade part (a corner part of the cutting tool 10), the cemented carbide layer 11 is thin. When h1 is the maximum thickness of the tool 10, and h2 is the maximum thickness of the cemented carbide layer existing in the cutting blade part, h2/h1 satisfies 0.002 or more and 0.02 or less. The cemented carbide layer more excellent in toughness than cermet is provided on the rake face side, which makes the tool resistant to impact due to contact with chips, etc. The high ratio of the cermet layer on the flank face side of the cutting blade part provides the good gloss on the finish surface.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供具有优异抗冲击性并在精加工表面上提供良好光泽度的切削工具。 解决方案:切削工具10由层叠硬质合金层11和金属陶瓷层12构成。整个前刀面由硬质合金层11形成,并且侧面由胶合层11的层叠表面形成。 碳化物层11和金属陶瓷层12.在切割刀片部分(切削工具10的拐角部分)处,硬质合金层11较薄。 当h1是工具10的最大厚度,h2是存在于切割刀片部分中的硬质合金层的最大厚度时,h2 / h1满足0.002以上且0.02以下。 在金属陶瓷上的韧性比金属陶瓷更优异的硬质合金层设置在前刀面上,这使得刀具抵抗由于与刀片接触等而产生的冲击。金属陶瓷层在切割刀片部分的后刀面侧的高比率 在表面上提供良好的光泽度。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Coated cutting tool
    • 涂层切割工具
    • JP2008284638A
    • 2008-11-27
    • JP2007130953
    • 2007-05-16
    • Sumitomo Electric Hardmetal CorpSumitomo Electric Ind Ltd住友電工ハードメタル株式会社住友電気工業株式会社
    • ISHIDA TOMOYUKIMORIGUCHI HIDEKIIKEGAYA AKIHIKO
    • B23B27/14B22F3/24B22F7/00C22C1/05C22C29/08C23C14/06
    • PROBLEM TO BE SOLVED: To provide a coated cutting tool and a manufacturing method for the film cutting tool, which provides excellent abrasion resistance and thermal crack proofing.
      SOLUTION: The coated cutting tool includes: a base material 1 laminated with a fine grain layer 1p made of WC group cemented carbide using WC particles 10p of fine grain as a hard layer and a coarse grain layer 1g made of WC group cemented carbide using WC particles 10g of coarse grain as a hard layer; and a coated film 2 formed on the base material 1 surface. The mean particle diameter of WC particles 10p of the fine grain layer 1p is more than 1 μm and less than 3 μm, and the mean particle diameter of WC particles 10g of the coarse grain layer 1g is more than 1 μm and 3 μm or less. The fine grain layer 1p is disposed on the surface side of the base material, and the coated film 2 is formed on this layer 1p by means of physical vapor deposition. Crystal grain 20 which is developed by direct contact with the WC particles 10p of the fine grain layer 1p exists among the crystal grain 20 constituting the coated film 2, and the grain diameter of the crystal grain 20 is the size approximately same as the WC particles 10p of the fine grain layer 1p. The coating cutting tool is manufactured by forming the coated film 2 after performing bombardment process on the base material 1 surface using dilute gas ion.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种涂层切割工具和用于薄膜切割工具的制造方法,其提供优异的耐磨性和耐热裂纹性。 解决方案:涂覆的切削工具包括:基体材料1,其与由WC组合硬质合金制成的细晶粒层1p层叠,所述细小颗粒层由WC颗粒10p作为硬质层和由WC组合的粗颗粒层1g粘合 碳化物使用WC颗粒10g粗颗粒作为硬层; 以及形成在基材1表面上的涂膜2。 微粒层1p的WC颗粒10p的平均粒径大于1μm且小于3μm,粗粒层1g的WC颗粒10g的平均粒径为1μm以上3μm以下 。 细粒层1p设置在基材的表面侧,通过物理气相沉积在该层1p上形成涂膜2。 在构成涂膜2的晶粒20中存在与微细颗粒层1p的WC颗粒10p直接接触而显影的晶粒20,晶粒20的晶粒直径与WC颗粒大致相同 10p的细粒层1p。 通过在使用稀释气体离子对基材1表面进行轰击处理后,形成被覆膜2来制造涂布切削工具。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Surface-coated cutting tool
    • 表面涂层切割工具
    • JP2008168364A
    • 2008-07-24
    • JP2007001484
    • 2007-01-09
    • Sumitomo Electric Hardmetal CorpSumitomo Electric Ind Ltd住友電工ハードメタル株式会社住友電気工業株式会社
    • KOIKE SACHIKOSETOYAMA MAKOTOMORIGUCHI HIDEKI
    • B23B27/14B23B51/00B23C5/16C23C14/06C23C14/08
    • PROBLEM TO BE SOLVED: To provide a surface-coated cutting tool formed with an oxide aluminum multi-layer coat improved in wear resistance as coating.
      SOLUTION: The surface-coated cutting tool has a base material and one or more coats formed on the base material. The coat includes at least an oxide aluminum multi-layer coat, and the oxide aluminum multi-layer coat includes two ore more types of unit layers constructed by oxide aluminum including additive elements, and has a structure in which two or more types of unit layers are periodically repeatedly laminated, and combination and type of the additive elements to form respective unit layers are varied, and the additive elements are at least one type element chosen among a group including IVa group element, Va group element, VIa group element, Y, Ca, Mg, B, and Si, in a periodic table.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种形成有氧化铝多层涂层的表面涂层切削工具,其耐磨性改善为涂层。

      解决方案:表面涂层切削工具具有基材和形成在基材上的一个或多个涂层。 该涂层至少包含氧化铝多层涂层,氧化铝多层涂层包括由包括添加元素的氧化铝构成的两种以上的单元层,并且具有其中两种或更多种类型的单元层 周期性重复层叠,并且添加元素的组合和类型形成各自的单位层,添加元素为选自包括IVa族元素,Va族元素,VIa族元素,Y, Ca,Mg,B和Si。 版权所有(C)2008,JPO&INPIT

    • 10. 发明专利
    • Surface coated cutting tool
    • 表面涂层切割工具
    • JP2008000879A
    • 2008-01-10
    • JP2007023361
    • 2007-02-01
    • Sumitomo Electric Hardmetal CorpSumitomo Electric Ind Ltd住友電工ハードメタル株式会社住友電気工業株式会社
    • KOIKE SACHIKOSETOYAMA MAKOTOMORIGUCHI HIDEKI
    • B23B27/14C23C14/08
    • PROBLEM TO BE SOLVED: To provide a surface coated cutting tool furnished with an oxide aluminum film capable of providing excellent tool life by preventing peeling and large scale breakage of the film and making tenacity and abrasion resistance compatible with each other at a high degree and forming itself easily. SOLUTION: This surface coated cutting tool constitutes its characteristic feature that it includes at least a layer of the oxide aluminum film, the oxide aluminum film is a film containing oxide aluminum, at least one layer of the oxide aluminum film out of the oxide aluminum film mixes and contains the oxide aluminum of an α-type crystal structure and the oxide aluminum of a γ-type crystal structure in the same layer, the oxide aluminum of the α-type crystal structure has tensile stress and the oxide aluminum of the γ-type crystal structure has compressive stress. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种具有氧化铝膜的表面涂层切割工具,其能够通过防止膜的剥离和大规模破裂并且使高强度和耐磨性彼此兼容,从而提供优异的工具寿命 度并且容易形成。 解决方案:该表面涂层切割工具构成其特征在于其至少包含一层氧化铝膜,氧化铝膜是含有氧化铝的膜,至少一层氧化铝膜不在 氧化铝膜在同一层中混合并含有α型晶体结构的氧化铝和γ型晶体结构的氧化铝,α型晶体结构的氧化铝具有拉伸应力和氧化铝 γ型晶体结构具有压应力。 版权所有(C)2008,JPO&INPIT