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    Contour machining method and apparatus for printed circuit board
    1.
    发明授权
    Contour machining method and apparatus for printed circuit board 失效
    轮廓加工方法和印刷电路板装置

    公开(公告)号：US5011345A

    公开(公告)日：1991-04-30

    申请号：US446588

    申请日：1989-12-06

    申请人： Masao Nishigai ,  Tamio Otani ,  Yasuhiko Kanaya ,  Tetsuo Murakami

    发明人： Masao Nishigai ,  Tamio Otani ,  Yasuhiko Kanaya ,  Tetsuo Murakami

    IPC分类号： B23Q15/12 ,  B23B47/24 ,  B23C3/00 ,  B23Q15/00 ,  B23Q17/09 ,  B23Q35/12 ,  G05B19/18 ,  G05B19/404 ,  H05K3/00

    CPC分类号： B23Q35/12 ,  G05B2219/37285 ,  G05B2219/45035 ,  H05K3/0044 ,  Y10T409/30112 ,  Y10T409/303808 ,  Y10T409/30392

    摘要： A method of machining the contour of a printed circuit board by effecting a relative feed movement between a rotating tool and the other periphery of the printed circuit board. The electrical current value of a drive motor for driving a spindle to which the tool is attached is detected and an operation is conducted for changing the machining condition in such a manner as to reduce the electrical current value of the spindle drive motor and, at the same time, for changing also tool diameter compensation amount to a value corresponding to the machining condition after the change, at every time the detected electrical current value has reached a predetermined current value immediately before tool breakage and repeatedly by a predetermined number of times.

    摘要翻译： 通过在旋转工具和印刷电路板的另一个周边之间进行相对进给运动来加工印刷电路板的轮廓的方法。 检测用于驱动安装有工具的主轴的驱动电动机的电流值，并且进行用于改变加工条件的操作，以减小主轴驱动电动机的电流值，并且在 同时，在每次检测到的电流值已经达到工具断开之前的预定电流值并重复预定次数时，也将刀具直径补偿量也改变为与改变之后的加工条件相对应的值。

    Work holding device for cutting printed boards
    3.
    发明授权
    Work holding device for cutting printed boards 失效
    用于切割印刷电路板的工作夹持装置

    公开(公告)号：US4966508A

    公开(公告)日：1990-10-30

    申请号：US360132

    申请日：1989-06-01

    申请人： Tamio Otani ,  Masao Nishigai ,  Yasuhiko Kanaya

    发明人： Tamio Otani ,  Masao Nishigai ,  Yasuhiko Kanaya

    IPC分类号： B23Q3/06 ,  H05K3/00

    CPC分类号： B23Q3/069 ,  B23Q3/002 ,  H05K3/0044 ,  Y10T409/305544 ,  Y10T409/307

    摘要： A work holding device used in an external form cutting machine for printed boards, the cutting machine including a work mounting table movable in X direction and a cutter mounting spindle movable in Y direction perpendicular to X direction, comprising holding device disposed above the table, pushing device for pushing said holding device, elevating device for raising and lowering said holding device. The holding device and the elevating device engage with each other slidably in a vertical direction with the pushing device interposed therebetween. By virtue of these arrangements, the printed boards are surely holded, resulting in an uniform cutting surface of piled printed boards. Holding pins used in prior arts for holding printed boards are not required, resulting in an improved operational efficiency of the cutting machine.

    摘要翻译： 一种用于印刷板的外部成型切割机的工件保持装置，所述切割机包括可沿X方向移动的工件安装台和可在垂直于X方向的Y方向上移动的切割器安装主轴，包括设置在所述台面上方的保持装置 用于推动所述保持装置的装置，用于升高和降低所述保持装置的升降装置。 保持装置和升降装置在其间插入有推动装置而沿垂直方向可滑动地彼此接合。 由于这些布置，可靠地保持印刷板，导致堆叠印刷板的均匀切割面。 不需要在现有技术中用于保持印刷板的保持销，从而提高切割机的操作效率。