Tool system that can be coupled to a lathe drive shaft

Details Tool system that can be coupled to a lathe drive shaft Tool system that can be coupled to a lathe drive shaft

B - Operations, Transporting

25

B

B25B 23/00 (2006.01) B23B 31/00 (2006.01) B23B 31/107 (2006.01) B25B 15/00 (2006.01)

Patent

CA 2298706

The invention relates to a tool system that can be coupled to the drive shaft of a lathe. Said system comprises a tool holding fixture (10, 100, 110, 120) which can be connected to the lathe, and a tool (40, 50, 64, 71, 90) which is (10, 100, 110, 120) stored in a polygonal recess (13) in the tool holding fixture (10, 100, 110, 120) so as to be torsion-proof yet removable. This tool has a tool shank and at least one functional section extending coaxially therefrom. The tool (40, 50, 64, 71, 90) rests axially on a centering area (14) in the polygonal recess (13), and rests radially on several identical locking elements (16). These are arranged in radial cavities (15) in the tool holding fixture, at equal angular distances and at an axial distance from the centering area (14). This enables centering of the tool (40, 50, 64, 71, 90) in the tool holding fixture (10, 100, 110, 120).

Système d'outil accouplable à l'arbre d'entraînement d'un tour, comprenant des moyens de positionnement de l'outil (10, 100, 110, 120) pouvant être connectés au tour, ainsi qu'un outil (40, 50, 64, 71, 90) logé solidaire en rotation, mais tout en étant amovible, dans une cavité polygonale (13) desdits moyens de positionnement (10, 100, 110, 120), cet outil présentant une tige et au moins une section fonctionnelle s'étendant coaxialement à partir de cette tige. L'outil (40, 50, 64, 71, 90) prend appui axialement sur une zone de centrage (14) dans l'évidement polygonal (13), tout en reposant en même temps, radialement, sur plusieurs éléments de verrouillage identiques (16) qui sont disposés dans des cavités radiales (15) des moyens de positionnement, à de mêmes intervalles angulaires et à distance axiale de la zone de centrage (14). On obtient ainsi un centrage de l'outil (40, 50, 64, 71, 90) dans lesdits moyens de positionnement (10, 100, 110, 120).

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