| 摘要 |
A numeric-control machine tool for turning and hobbing mechanical parts, comprising: a main mandrel, which is provided with grip means for a mechanical part and can be rotated about its own axis; a first carriage, which supports a turret tool post for turning and/or milling and/or drilling; and a second carriage, which supports a gear hobbing tool head. The first and second carriages can move on command, in a controlled manner, with respect to the main mandrel in order to selectively move the tools installed on the turret tool post and the hobbing tools so that they machine the part supported by the main mandrel.
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