| 摘要 |
A machine tool capable of performing an accurate machining by preventing a second saddle 6 from displacing aslant to suppress the vibrations of a spindle head 8, wherein a column 2 is fixedly installed on a bed 1, a first saddle 4 is movably guided by the column 2 in vertical direction f1, a second saddle 6 is movably guided by the first saddle 4 in lateral direction f2, a spindle head 8 is movably guided by the second saddle 6 in longitudinal direction f3, and guide route means 5A, 5B, 5C for guiding the second saddle 6 in lateral direction f2 are formed at the rear lower position of the first saddle 4 as well as at the front upper and lower positions of the first saddle 4.
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