Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takeshi Otawa0
Kazuhiko Matsumoto0
Date of Patent
July 10, 2007
0Patent Application Number
113895070
Date Filed
March 27, 2006
0Patent Primary Examiner
Patent abstract
To provide a machine tool in which positioning accuracy of a ram is ensured, realizing improved machining accuracy. A cylindrical ram 14 supporting a spindle 6 is inserted in a ram guide hole 13a formed in a cross slide 13, the ram 14 has supported surfaces 14d, 14d in a V-shape formed on a lower side of an outer circumferential surface thereof, and the supported surfaces 14d are placed on supporting surfaces 22a, 22a in a V-shape formed on an inner circumferential surface of the ram guide hole 13a of the cross slide 13, so that a Z-axis direction position of the ram 14 is automatically aligned.
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