Drilling bit
    1.
    发明公开
    Drilling bit 失效
    Bohrmeissel。

    公开(公告)号:EP0096591A2

    公开(公告)日:1983-12-21

    申请号:EP83303312.9

    申请日:1983-06-08

    IPC分类号: E21B10/46 B24D3/00 B24D3/34

    CPC分类号: E21B10/46 B24D3/06 B24D3/342

    摘要: In a diamond impregnated bit scourer particles in the form of silicon carbide are added to the matrix. The mesh size of the silicon carbide is less than that of diamond and the concentration preferably about 40, if the diamond concentration is 40.

    摘要翻译: 在金刚石浸渍的钻头洗砂机中加入碳化硅形式的颗粒。 如果金刚石浓度为40,碳化硅的网格尺寸小于金刚石的网格尺寸,并且浓度优选为约40。