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    • 3. 发明授权
    • Origin detection method for component placement head
    • 元件放置头的原点检测方法
    • US07293352B2
    • 2007-11-13
    • US10526894
    • 2003-09-11
    • Osamu OkudaKazuo KidoHideki Uchida
    • Osamu OkudaKazuo KidoHideki Uchida
    • B23P19/00A47J45/00
    • H05K13/0413H05K13/0406Y10T29/53091Y10T29/53174Y10T29/53178Y10T29/53183Y10T29/53191
    • An origin detection method for a component placement head includes setting an axial origin for each elevation nut section, of the component placement head, by detecting a rotational angle of a drive section corresponding to the elevation nut section. The elevation nut sections are then individually moved down from the axial origin so that light emitted from a light-projecting section is received by a light-receiving section without being interrupted. Then, it is confirmed that the axial origin of each elevation nut section is an origin of elevation by detecting interruption of light, emitted from the light-projecting section, by the elevation nut section at a position corresponding to the elevation nut section having been lowered from the axial origin by a prescribed light interruption dimension.
    • 用于元件放置头的原点检测方法包括:通过检测对应于提升螺母部分的驱动部分的旋转角来设置元件放置头的每个仰角螺母部分的轴向原点。 升降螺母部分然后从轴向原点单独地向下移动,使得从光投射部分发射的光被光接收部分接收而不被中断。 然后,通过在与已经降低的升降螺母部分相对应的位置处检测从凸出部分发射的光的中断,确定每个仰角螺母部分的轴向起点是高度的原点 从轴向起点通过规定的光中断尺寸。