| 摘要 |
<p>1. A turning center of the type comprising a bench (1), a spindle (2) installed in a headstock (4) disposed in said bench, at least one detachable tool-carrier turret (6) installed on a carriage (9), wherein said turret installed on its carriage can be moved from outside the work space in which the work piece to be machined is located to inside this space in order to machine the work piece and back again, said turret (6) including a base (12) and an interchangeable tool-carrier part (18) carrying tools (8), means being provided for automatic replacement outside the work space of an interchangeable part (18) that carries worn tools for another interchangeable part, characterized in that it comprises two tool-carrier turrets (6, 7), each installed on a carriage (9), each carriage being mobile independently of the other in a direction parallel to the axis of the spindle (2) and in that said bench (1) comprises a first opening (24) through which pass the means for transmitting a movement between a motor (23) situated under the bench (1) and the spindle (2) of the headstock (4), and a second opening (26) for the passage of control couplings with auxiliary equipements (25) located at the rear of the headstock (4) in order to ensure a free passage of the carriages (9) along the lateral faces of the headstock (4) and a free passage of the turrets (6, 7) behind the headstock (4) for the exchange of the interchangeable parts (18).</p> |
