Air logic circuit for airfeed peck drill
    6.
    发明授权
    Air logic circuit for airfeed peck drill 失效
    用于空气啄钻的空气逻辑电路

    公开(公告)号:US4867617A

    公开(公告)日:1989-09-19

    申请号:US114956

    申请日:1987-10-30

    IPC分类号: B23Q16/00

    CPC分类号: B23Q16/003 Y10T408/23

    摘要: An improvement to an air logic circuit for an airfeed peck drill includes the insertion of a retract valve between the command valve and the air motor. This retract valve generates a required signal to only allow the drill quill to feed forward after it has been fully retracted

    摘要翻译: 用于空气啄钻的空气逻辑电路的改进包括在指令阀和气动马达之间插入缩回阀。 该缩回阀产生一个必要的信号,以便只有在钻完成后才能向前进给