| 摘要 |
PURPOSE: A dual shaft spindle structure of a machining center is provided to secure by mechanical operation and automatically adjusting the height of an existing machining center by using a servo motor. CONSTITUTION: A dual shaft spindle structure of a machining center comprises a spindle unit(10), a locating unit(20), and a cylinder fixing unit(30). A fixed spindle(11) is installed in one side of a spindle. The other side of the spindle is connected to a movable spindle(12). A locating pin hole(12a) is formed in the lower portion of the movable spindle. A tool(8) is installed in the lower portion of the fixed and movable spindle. A cylinder(21) coupled with a locating pin(21a) is installed in the column of the machining center in the locating unit. The fixing unit fixes the position of the movable spindle.
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