| 摘要 |
PURPOSE: A hole machining device for a ball screw nut is provided to control a hole machining position easily by rotating or transferring a chuck of a machining center to which the hole machining device is fixed. CONSTITUTION: A main body(110) has a fixing member with a protrusion to be coupled to a chuck of a machining center and a groove on the side opposite to the fixing member. A fixing unit(210) in which a ball screw nut is fixed is coupled to the main body. A supporting unit(310) supports the ball screw nut coupled to the fixing unit.
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