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    • 64. 发明授权
    • Vacuum-coated compound body and process for its production
    • 真空镀膜复合体及其生产工艺
    • US5693417A
    • 1997-12-02
    • US445523
    • 1995-05-22
    • Klaus GoedickeGunter HotzschFred FietzkeOlaf ZywitzkiSiegfried SchillerJonathan ReschkeWolfgang Hempel
    • Klaus GoedickeGunter HotzschFred FietzkeOlaf ZywitzkiSiegfried SchillerJonathan ReschkeWolfgang Hempel
    • C23C14/00C23C14/08C23C8/00
    • C23C14/081C23C14/0036Y10T428/24975Y10T428/265
    • Vacuum coated compound body and a process for its production. Such compound bodies, when coated in a known manner, have a carrier of a metal or of an alloy, a layer that is thermally, mechanically and chemically unstable, with their surface showing cracks and being partially porous. These shortcomings are overcome via an improved eco-friendly vacuum deposition process wherein at least one layer of a material having an outer layer is of Al.sub.2 O.sub.3, is applied to the metal or alloy carrier at a maximum of 700.degree. C., with this layer being completely crystalline and comprised of an .alpha.Al.sub.2 O.sub.3 phase and possibly of a .gamma.Al.sub.2 O.sub.3 phase with a (440) texture, having a compressive stress of at least 1 Gpa and a hardness of at least 20 Gpa, with the Al.sub.2 O.sub.3 layer being deposited via reactive magnetron sputtering, wherein the magnetrons are pulse powered, the pulse frequency lies between 20 and 100 Khz, and the deposition rate is at least 1 nm/s, with the compound bodies being utilized for cutting treatments, particularly as drills, milling cutters, reamers, broaches or saw blades.
    • 真空涂层复合体及其生产工艺。 当以已知的方式涂覆时,这种复合体具有金属或合金的载体,即热,机械和化学不稳定的层,其表面显示出裂纹并且是部分多孔的。 通过改进的环保真空沉积工艺克服了这些缺点,其中至少一层具有外层的材料为Al 2 O 3,最多在700℃下施加到金属或合金载体上,该层为 完全结晶并且由αAl 2 O 3相和可能具有(440)织构的γAl 2 O 3相组成,具有至少1Gpa的压缩应力和至少20Gpa的硬度,其中Al 2 O 3层通过反应磁控管沉积 溅射,其中磁控管是脉冲供电的,脉冲频率在20和100KHz之间,并且沉积速率为至少1nm / s,复合体用于切割处理,特别是作为钻头,铣刀,铰刀, 拉刀或锯片。
    • 66. 发明授权
    • Method for manufacturing a cutter
    • 切割机的制造方法
    • US5526716A
    • 1996-06-18
    • US274726
    • 1994-08-05
    • Tatsuo AraiTakayoshi Saito
    • Tatsuo AraiTakayoshi Saito
    • C23C8/00C23C30/00B21K5/04
    • C23C30/00C23C8/00Y10T407/116Y10T407/1904Y10T407/1906Y10T407/1908Y10T407/27
    • A cutting tool is disclosed which includes a tool body having a mounting portion to be secured to a machine tool and having a plurality of insert receiving recesses formed therein. A plurality of cutting inserts are releasably attached to the insert receiving recesses, respectively. The tool body has a nitrided hard layer formed on a surface thereof. Furthermore, a clamp member used in the tool preferably has an abutment surface to be held in abutting contact with the insert or other parts and a chip-contacting surface with which cutting chips produced during cutting operation are brought into contact. The chip-contacting surface is defined by a nitriding hard layer formed on a precision-cast unglazed surface, and has a surface which is left without finish-working. Furthermore, a method for producing a cutting tool which includes a tapped hole formed therein and having an inner surface defining an unnitrided portion is disclosed. In this method, a plug is first threaded into the tapped hole. Subsequently, the tool body is subjected to nitriding treatment to form a hard layer on the surface of the tool body, and the plug is subsequently removed from the tool body.
    • 公开了一种切削工具,其包括具有固定到机床上并具有形成在其中的多个刀片容纳凹部的安装部分的工具主体。 多个切削刀片分别可释放地附接到刀片容纳凹槽。 工具主体在其表面上形成有氮化的硬质层。 此外,在工具中使用的夹紧构件优选地具有与插入件或其他部件保持抵接的抵接表面和与切割操作期间产生的切屑的切屑接触表面接触。 芯片接触表面由形成在精密铸造的无釉面上的氮化硬质层限定,并且具有没有完成加工的表面。 此外,公开了一种用于制造切削工具的方法,该切削工具包括形成在其中的螺纹孔并且具有限定了不穿透部分的内表面。 在该方法中,首先将螺栓拧入螺纹孔中。 随后,将工具主体进行氮化处理,以在工具主体的表面上形成硬质层,然后将该插头从工具主体中取出。
    • 67. 发明授权
    • Milling cutter clamping wedge with hardened chip surface
    • 具有硬化芯片表面的铣刀夹紧楔
    • US5352067A
    • 1994-10-04
    • US69417
    • 1993-06-01
    • Tatsuo AraiTakayoshi Saito
    • Tatsuo AraiTakayoshi Saito
    • C23C8/00C23C30/00B23C5/22B23C5/06
    • C23C30/00C23C8/00Y10T407/116Y10T407/1904Y10T407/1906Y10T407/1908Y10T407/27
    • A cutting tool is disclosed which includes a tool body having a mounting portion to be secured to a machine tool and having a plurality of insert receiving recesses formed therein. A plurality of cutting inserts are releasably attached to the insert receiving recesses, respectively. The tool body has a nitrided hard layer formed on a surface thereof. Furthermore, a clamp member used in the tool preferably has an abutment surface to be held in abutting contact with the insert or other parts and a chip-contacting surface with which cutting chips produced during cutting operation are brought into contact. The chip-contacting surface is defined by a nitriding hard layer formed on a precision-cast unglazed surface, and has a surface which is left without finish-working. Furthermore, a method for producing a cutting tool which includes a tapped hole formed therein and having an inner surface defining an unnitrided portion is disclosed. In this method, a plug is first threaded into the tapped hole. Subsequently, the tool body is subjected to nitriding treatment to form a hard layer on the surface of the tool body, and the plug is subsequently removed from the tool body.
    • 公开了一种切削工具,其包括具有固定到机床上并具有形成在其中的多个刀片容纳凹部的安装部分的工具主体。 多个切削刀片分别可释放地附接到刀片容纳凹槽。 工具主体在其表面上形成有氮化的硬质层。 此外,在工具中使用的夹紧构件优选地具有与插入件或其他部件保持抵接的抵接表面和与切割操作期间产生的切屑的切屑接触表面接触。 芯片接触表面由形成在精密铸造的无釉面上的氮化硬质层限定,并且具有没有完成加工的表面。 此外,公开了一种用于制造切削工具的方法,该切削工具包括形成在其中的螺纹孔并且具有限定了不穿透部分的内表面。 在该方法中,首先将螺栓拧入螺纹孔中。 随后,将工具主体进行氮化处理,以在工具主体的表面上形成硬质层,然后将该插头从工具主体中取出。