Machine tool

Details Machine tool Machine tool

B - Operations, Transporting

23

P

B23P 13/00 (2006.01) B23P 15/00 (2006.01)

Patent

CA 2175871

The machine tool comprises two headstocks (16,17), arranged on a support (10), which are movable independently of each other along their height and their longitudinal direction. A respective one (17) of the headstocks is active in the treatment of a workpiece attached on a workpiece carrier (20), while the other headstock (16) can be moved behind a tool magazine (24) for receiving a tool therefrom. While the one headstock is still working on the workpiece, the other headstock with the next tool can already be accelerated to the required working rotational speed and be advanced to the tool. Thus, the time required for exchange of tools is extremely shortened.

Machine-outil comportant deux chariots porte-broche (16, 17) disposés sur un support (10) et bougeant indépendants l'un de l'autre à la verticale et à l'horizontale. L'un des chariots (17) sert à ouvrer une pièce fixée sur la palette porte-pièce (20), tandis que l'autre chariot (16) peut être déplacé derrière le magasin à outils (24) pour recevoir un outil. Tandis que l'un des chariots façonne la pièce, on a le temps d'imprimer à l'autre muni du prochain outil la vitesse de rotation nécessaire et de l'approche de l'outil, ce qui réduit beaucoup le temps de remplacement des outils.

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