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 2411810

An internal broach for internally broaching profiles, defined by a bottom and flanks, of female serrations of a work piece, comprises a toothed por- tion with several rows of broach cutting teeth disposed successively counter to a direction of broaching, 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 cutting ability. The second sides are flank-cutting-blade relief surfaces, the edges of which are designed as flank blades with cutting ability.

Un outil de brochage intérieur de 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 premiers et deuxièmes 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 conçus comme lames ayant une capacité de coupe.

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