Drill bit for PCB
    1.
    发明申请
    Drill bit for PCB 审中-公开
    钻头用于PCB

    公开(公告)号:US20070286693A1

    公开(公告)日:2007-12-13

    申请号:US11727629

    申请日:2007-03-27

    IPC分类号: B23D77/00

    摘要: Disclosed is a drill bit for making a hole through stacked PCBs includes a drill part formed with drilling edges on an outer surface thereof and brought into contact with the PCBs, that is, a workpiece in which to make the hole; a reamer part formed on the rear end of the drill part and having at least one reaming edge for finishing the surface of the hole; and a shank part formed on the rear end of the reamer part and mounted to a machine tool.

    摘要翻译: 公开了一种用于通过堆叠的PCB制造孔的钻头,其包括在其外表面上形成有钻孔边缘并与PCB接触的钻头部分,即在其中制造孔的工件; 钻孔部分,其形成在钻头部分的后端,并且具有至少一个用于完成孔表面的铰孔边缘; 以及形成在扩孔器部分的后端上并安装到机床上的柄部分。