Apparatus and method for producing tooth-like profiling on...

Details Apparatus and method for producing tooth-like profiling on... Apparatus and method for producing tooth-like profiling on...

B - Operations, Transporting

21

H

B21H 5/02 (2006.01)

Patent

CA 2553544

The invention relates to a device for producing cylindrical workpieces (1) having defined profiled sections. The device comprises a workpiece holder (2) that is axially displaceable and intermittently rotates about a longitudinal axis (Z), and shaping tools (9; 12) that periodically act upon the workpiece. The inventive device is characterized by at least one drive (11) for the intermittent rotation of the workpiece holder (2), which is mechanically separate from the drive (8) for the shaping tools (9; 12). The drive (11) is linked with an electronic control which controls the intermittent rotational movement depending on the drive (8) of the shaping tools (9; 12). The invention allows to adjust any intermittent movement relative to the position and angle of the workpiece (1), thereby contributing to a precise and especially rapid processing of the workpiece (1).

L'invention concerne un dispositif de production de pièces cylindriques (1) d'un profil défini, comprenant un porte-pièce (2) déplaçable axialement et tournant de façon intermittente autour de l'axe longitudinal (Z), ainsi que des outils de façonnage (9 ; 12) agissant périodiquement sur la pièce. Le dispositif selon l'invention présente au moins une commande distincte (11), séparée du système mécanique (8) d'entraînement des outils de façonnage, pour la rotation intermittente du porte-pièce (2). Cette commande (11) est associée à une commande électronique commandant le mouvement de rotation intermittent en fonction de l'entraînement (8) des outils de façonnage (9; 12). L'invention permet ainsi d'obtenir un mouvement intermittent, réglable à volonté, suivant la position et l'angle de la pièce (1) par rapport aux outils de façonnage (9 ; 12), ce qui contribue à l'obtention d'un usinage précis et, en particulier, rapide des pièces (1).

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