| 摘要 |
<p>The lathe (10) comprises: a tool holding turret (100) carrying a plurality of tools (110, 112); an automatic workpiece loading/unloading device (14) with a work spindle (20) movable between a work area, in which it is positioned near the turret (100), and a loading/unloading area remote from the work area, in which it is positioned remote from the turret (100) to unload the machined workpiece (P) and to load a new workpiece (P) to be machined; an automatic tool changing device (16) arranged to automatically replace on each occasion one of the tools (110, 112) carried by the turret (100) with a new tool (110, 112); and a programmable electronic control unit arranged to control the turret (100), the automatic work piece loading/unloading device (14) and the automatic tool changing device (16) so as to carry out each tool changing operation in the time interval in which the work spindle (20) is moved away from the work area and then returned to the work area, in such a way as to eliminate machine downtime due to tool replacement.</p> |
