| 摘要 |
PROBLEM TO BE SOLVED: To provide a frame structure with a guide rail arrangement structure wherein the rigidity of guide rails slidably supporting a compound tool rest is easy to secure and position control is easy in regard to a machine tool such as a compound NC lathe. SOLUTION: In the NC lathe with the slanted frame structure, turret tool rest guide rails 30a and 30b for horizontally sliding a turret tool rest 3 are arranged in operator lower near sides of two parallel headstock guide rails 20a and 20b for horizontally (in a Z-axis direction) sliding a headstock 2R. Of two parallel compound tool rest guide rails 40a and 40b for horizontally sliding a compound tool rest 4 arranged in an upper far side, one guide rail 40a is arranged adjacently to the upper far side headstock guide rail 20b, and the other guide rail 40b is arranged nearer to a frame rear face lower than the one guide rail 40a. COPYRIGHT: (C)2003,JPO
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