Cutting tool, particularly for end-cut and longitudinal turning

Details Cutting tool, particularly for end-cut and longitudinal turning Cutting tool, particularly for end-cut and longitudinal turning

B - Operations, Transporting

23

B

B23B 27/04 (2006.01)

Patent

CA 2540209

A cutting tool, particularly for end-cut and longitudinal turning, has a major cutting edge (2), on each of the two ends of which a minor cutting edge (4) is attached, as well as an end-cut chip space (10) allocated to the major cutting edge (2) and longitudinal-turning chip spaces (11) allocated to each of the minor cutting edges (4). Chip curlers are attached to the end-cut chip space (10), or respectively to the longitudinal- turning chip spaces (11), and form a part of the flanks of a chip-guiding rib (8) that is designed as a curve, with the curve opening facing the major cutting edge (2). Between the outer corners (5), which are formed between the major cutting edge (2) and the minor cutting edges (4), and the ends (12) of the chip-guiding rib (8), a corner chip- breaker (13) is formed each time.

L'invention concerne un appareil de coupe servant notamment au tournage longitudinal et à l'usinage par perçage et comportant une arête principale (2), prolongée des deux côtés par une arête secondaire (4), ainsi qu'un logement (10) pour les copeaux de perçage associé à l'arête principale (2) et des logements (11) pour les copeaux de tournage longitudinal associés aux arêtes secondaires (4). Le logement (10) pour les copeaux de perçage et les logements (11) pour les copeaux de tournage longitudinal se prolongent par des niveaux pour copeaux qui forment une partie des bords d'une nervure (8) de guidage de copeaux, laquelle dessine un arc dont l'ouverture est orientée vers l'arête principale (2). L'invention est caractérisée en ce qu'un moulage d'angle (13) se trouve entre les extrémités (12) de la nervure (8) de guidage de copeaux et les points d'attaque (5) formés entre l'arête principale (2) et les arêtes secondaires (4).

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