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发明申请
US20070092349A1 TOOL REPLACEMENT METHOD AND NUT DRIVER FOR MACHINE TOOLS 有权
工具替代方法和机器工具的螺母驱动器

TOOL REPLACEMENT METHOD AND NUT DRIVER FOR MACHINE TOOLS
摘要：
A spindle (5) has a chuck (9) provided on a distal end (5a) thereof for chucking a tool (11), and a nut (13) screwed to the distal end (5a) and rotatable for tightening and loosening the chucking. The spindle (5) is positioned relative to a nut loosening station provided with a nut loosening driver (43) for driving the nut (13) to rotate in a loosening direction, the nut (13) is loosened by the nut loosening driver (43) to remove from the chuck (9) a first tool (11) to be replaced with a second tool (11), the spindle (5) is positioned relative to a nut tightening station provided with a nut tightening driver (41) for driving the nut (13) to rotate in a tightening direction, and the nut (13) is driven by the nut tightening driver (41) to tight-chuck the second tool (11).
摘要（中）：

主轴（5）具有设置在其远端（5a）上的用于夹紧工具（11）的卡盘（9）和螺母（13），该螺母拧到远端（5a）并且可旋转以用于紧固和松动 卡住。 主轴（5）相对于设置有用于驱动螺母（13）以松动方向旋转的螺母松动驱动器（43）的螺母松动台定位，螺母（13）由螺母松动驱动器（43）松开 ）从所述卡盘（9）中移除要被第二工具（11）替换的第一工具（11），所述主轴（5）相对于设置有用于驱动的​​螺母拧紧驱动器（41）的螺母紧固站定位 螺母（13）沿紧固方向旋转，并且螺母（13）由螺母拧紧驱动器（41）驱动以紧固卡住第二工具（11）。

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