B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 27/00 (2006.01) B21C 23/14 (2006.01)
Patent
CA 2245834
The invention concerns a drilling tool consisting of a tool head (3) and a tool shank (5) comprising at least one chip groove. A slotted sleeve (10) is placed on the tool shank and closely surrounds said chip groove, the edges (14, 15) adjacent the slot (13) lying on solid material of the tool shank (5). The chip grooves (7) and the sleeve (10) form channels for carrying away the chips removed at the workpiece machining base. Owing to the slot (13), the sleeve (10) can be gently spread apart and pushed onto the tool shank (5) from the end comprising the enlarged tool head (3).
L'invention concerne un outil de perçage comprenant une tête (3) et une tige (5) comportant au moins une rainure à copeaux. Un manchon (10) fendu est monté sur la tige de l'outil et entoure étroitement la rainure à copeaux, les bords (14, 15) qui délimitent la fente (13) reposant sur la partie pleine de la tige (5) de l'outil. Les rainures à copeaux (7) et le manchon (10) forment des canaux servant à évacuer les copeaux détachés sur la base d'usinage de l'outil. La présence de la fente (13) permet au manchon (10) d'être légèrement déplacé par écartement et d'être poussé sur la tige (5) de l'outil, depuis le côté de la tête (3) élargie de l'outil.
Reccius Helmut
Stolz Gerhard
Kirby Eades Gale Baker
Komet Prazisionswerkzeuge Robert Breuning Gmbh
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