Hardfacing milled-tooth drill bits using super dense carbide pellets
    1.
    发明申请
    Hardfacing milled-tooth drill bits using super dense carbide pellets 有权
    使用超密集的碳化物颗粒表面硬化磨齿钻头

    公开(公告)号:US20060005662A1

    公开(公告)日:2006-01-12

    申请号:US11175120

    申请日:2005-07-05

    IPC分类号: C22C29/08

    摘要: A hardfacing composition for a drill bit, including a carbide phase comprising from about 50% to about 75% by weight of the hardfacing composition of a combination of 16 to 40 mesh cemented tungsten carbide and 80 to 200 mesh super dense tungsten carbide cobalt particles, wherein about 5% to about 50% by weight of the carbide phase comprises the super dense tungsten carbide cobalt particles, and a binder alloy including about 25% to about 50% by weight of the hardfacing composition.

    摘要翻译: 用于钻头的表面硬化组合物,包括碳化物相,其包含约40重量%至约75重量%的硬质合金组合物,其为16至40目的硬质合金碳化钨和80至200目的超致密碳化钨钴颗粒的组合, 其中约5重量%至约50重量%的碳化物相包含超致密碳化钨钴颗粒和包含占该组合物的约25重量%至约50重量%的粘合剂合金。

    Hardfacing for milled tooth drill bits
    2.
    发明授权
    Hardfacing for milled tooth drill bits 有权
    用于铣削牙钻的硬面

    公开(公告)号:US06782958B2

    公开(公告)日:2004-08-31

    申请号:US10108965

    申请日:2002-03-28

    IPC分类号: E21B1046

    摘要: In one embodiment, a hardfacing composition for a drill bit, including a carbide phase including from about 50% to about 80% by weight of the hardfacing composition of a combination of 80 to 200 mesh macro-crystalline tungsten carbide and 80 to 200 mesh crushed cast carbide, the crushed cast carbide being about 5% to 50% of the total weight of the carbide phase, and a binder alloy comprising about 20% to about 50% by weight of the hardfacing composition is disclosed. A hardfacing composition for a drill bit, including a carbide phase composed of sintered tungsten carbide having a particle size from about 80 to 200 mesh that is about 50% to about 80% by weight of the hardfacing composition, and a binder alloy forming about 20% to about 50% by weight of the hardfacing composition.

    摘要翻译: 在一个实施方案中,用于钻头的表面硬化组合物,包括碳化物相,其包含约80重量%至约80重量%的表面硬化组合物,其为80至200目的宏观结晶碳化钨和80至200目的粉碎的组合 公开了硬质合金粉碎的碳化物为碳化物相的总重量的约5%至50%,包含约占硬化组合物重量的约20%至约50%的粘合剂合金。 用于钻头的表面硬化组合物,包括由烧结碳化钨组成的碳化物相,其碳化物粒度为约80至200目,约为硬化组合物重量的约50%至约80%,形成约20 %至约50重量%的表面硬化组合物。

    Impregnated diamond cutting structures
    7.
    发明授权
    Impregnated diamond cutting structures 有权
    浸渍金刚石切割结构

    公开(公告)号:US07350599B2

    公开(公告)日:2008-04-01

    申请号:US10967651

    申请日:2004-10-18

    IPC分类号: E21B10/46

    摘要: An insert for a drill bit that includes diamond particles disposed in a matrix material, wherein the diamond particles have a contiguity of 15% or less is disclosed. A method of forming a diamond-impregnated cutting structure, that includes loading a plurality of substantially uniformly coated diamond particles into a mold cavity, pre-compacting the substantially uniformly coated diamond particles using a cold-press cycle, and heating the compacted, substantially uniformly coated diamond particles with a matrix material to form the diamond impregnated cutting structure is also disclosed.

    摘要翻译: 一种用于钻头的插入件,其包括设置在基体材料中的金刚石颗粒,其中所述金刚石颗粒的接缝度为15%以下。 一种形成金刚石浸渍的切割结构的方法,其包括将多个基本上均匀涂覆的金刚石颗粒加载到模腔中,使用冷压循环对大致均匀涂覆的金刚石颗粒进行预压实,并加热压实的基本均匀的 还公开了具有基质材料以形成金刚石浸渍切割结构的涂覆金刚石颗粒。

    IMPREGNATED DIAMOND CUTTING STRUCTURES
    8.
    发明申请
    IMPREGNATED DIAMOND CUTTING STRUCTURES 有权
    镶嵌金刚石切割结构

    公开(公告)号:US20080128951A1

    公开(公告)日:2008-06-05

    申请号:US12021131

    申请日:2008-01-28

    IPC分类号: B22F3/12 E21B10/46

    摘要: An insert for a drill bit that includes diamond particles disposed in a matrix material, wherein the diamond particles have a contiguity of 15% or less is disclosed. A method of forming a diamond-impregnated cutting structure, that includes loading a plurality of substantially uniformly coated diamond particles into a mold cavity, pre-compacting the substantially uniformly coated diamond particles using a cold-press cycle, and heating the compacted, substantially uniformly coated diamond particles with a matrix material to form the diamond impregnated cutting structure is also disclosed.

    摘要翻译: 一种用于钻头的插入件,其包括设置在基体材料中的金刚石颗粒,其中所述金刚石颗粒的接缝度为15%以下。 一种形成金刚石浸渍的切割结构的方法,其包括将多个基本上均匀涂覆的金刚石颗粒加载到模腔中,使用冷压循环对大致均匀涂覆的金刚石颗粒进行预压实,并加热压实的基本均匀的 还公开了具有基质材料以形成金刚石浸渍切割结构的涂覆金刚石颗粒。

    Impregnated diamond cutting structures
    9.
    发明申请
    Impregnated diamond cutting structures 有权
    浸渍金刚石切割结构

    公开(公告)号:US20060081402A1

    公开(公告)日:2006-04-20

    申请号:US10967651

    申请日:2004-10-18

    IPC分类号: E21B10/36

    摘要: An insert for a drill bit that includes diamond particles disposed in a matrix material, wherein the diamond particles have a contiguity of 15% or less is disclosed. A method of forming a diamond-impregnated cutting structure, that includes loading a plurality of substantially uniformly coated diamond particles into a mold cavity, pre-compacting the substantially uniformly coated diamond particles using a cold-press cycle, and heating the compacted, substantially uniformly coated diamond particles with a matrix material to form the diamond impregnated cutting structure is also disclosed.

    摘要翻译: 一种用于钻头的插入件,其包括设置在基体材料中的金刚石颗粒,其中所述金刚石颗粒的接缝度为15%以下。 一种形成金刚石浸渍的切割结构的方法,其包括将多个基本上均匀涂覆的金刚石颗粒加载到模腔中,使用冷压循环对大致均匀涂覆的金刚石颗粒进行预压实,并加热压实的基本均匀的 还公开了具有基质材料以形成金刚石浸渍切割结构的涂覆金刚石颗粒。