Internal broach

B - Operations – Transporting – 23 – D

Patent

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Details

B23D 43/00 (2006.01) B23D 43/02 (2006.01) B23F 21/26 (2006.01)

Patent

CA 2450616

An internal broach for internally broaching profiles, defined by a bottom and flanks, of female serrations of a work piece comprises a toothed section with several rows of broach cutting teeth, the rows being disposed successively counter to a direction of broaching, with successive broach cutting teeth being allocated to each other for broaching a profile. The broach cutting teeth have bottom cutting blades and first and second sides. The first sides are guide flanks, the edges of which are guide edges without cut ting ability. The second sides are relieved flanks, the edges of which are relieved edges without cutting ability.

L'invention concerne une broche interne pour le brochage interne des profils définis par un fond et des parois, des dentelures femelles d'une pièce de travail, comprenant une section dentée avec plusieurs rangées de dents de coupe, les rangées étant disposées successivement contre une direction de brochage, les dents de coupe successives étant placées l'une après l'autre pour brocher un profil. Les dents de coupe possèdent des lames racleuses inférieures et des premier et deuxième côtés. Les premiers côtés sont des flancs de guidage, dont les bords sont des extrémités de guidage sans capacité de coupe. Les deuxièmes côtés sont des flancs relevés, dont les bords sont des extrémités relevées sans capacité de coupe.

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