B - Operations – Transporting – 23 – C
Patent
B - Operations, Transporting
23
C
B23C 5/10 (2006.01) B23B 31/02 (2006.01) B23B 31/11 (2006.01)
Patent
CA 2374223
In order to improve the service life of said tool, the spigot (4) of the shank (2) and correspondingly the bore hole (6) of the knife head respectively comprise a threaded area (7) and a press-fit area (8), whereby a positive and a non- positive fit can be created. The press-fit area (8) of the shank (2) is provided with an overdefined area (9) enabling the press-fit area (8) of the knife head (3) to be snapped back.
L'invention vise à améliorer la durabilité d'un outil d'usinage par enlèvement de matière. A cet effet, le tourillon (4) de la tige (2) et, de manière correspondante, l'orifice (6) du porte-lames (3) présentent respectivement une zone filetée (7) et une zone d'ajustement serré (8), pour produire une liaison de forme et une liaison à ajustement serré. La zone d'ajustement serré (8) de la tige (2) présente une zone de concordance (9) pour l'emmanchement de la zone d'ajustement serré (8) du porte-lames (3).
Mcfadden Fincham
Pokolm Franz-Josef
LandOfFree
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