DRILL BIT WITH AN EXCHANGEABLE CUTTING PORTION
    2.
    发明申请
    DRILL BIT WITH AN EXCHANGEABLE CUTTING PORTION 有权
    钻头与可交换的切割部分

    公开(公告)号:US20150016909A1

    公开(公告)日:2015-01-15

    申请号:US14367784

    申请日:2012-12-21

    IPC分类号: B23B51/04

    摘要: A drill bit which is rotatable about a drilling axis is disclosed. The drill bit has a cutting section having one or more cutting segments and a first plug-connecting element and a drill shaft section having a second plug-connecting element. The first plug-connecting element and the second plug-connecting element form a plug connection and the first plug-connecting element and the second plug-connecting element are connectable by a pin connection.

    摘要翻译: 公开了可围绕钻孔轴线旋转的钻头。 该钻头具有切割部分,该切割部分具有一个或多个切割部分和第一插塞连接元件以及具有第二插头连接元件的钻杆部分。 第一插头连接元件和第二插头连接元件形成插头连接,第一插头连接元件和第二插头连接元件可通过销连接而连接。