B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 51/10 (2006.01)
Patent
CA 2433662
The invention relates to a drill/chamfer tool that comprises a drill (1) with a shaft section (2) that is provided with a twisted flute, and a clamping ring (4) as the retainer of a facing cutter (5). Said clamping ring tubularly encloses the shaft section (2) or the drill shaft (30) and can be fixed thereon in different axial adjustable positions. The clamping ring (4) can be tensioned on the drill (1) by means of tension screws (6) that extend therethrough substantially radially to the axis (7) of the drill. The tension screws (6) impinge the surfaces of the twisted flutes (9, 10) which are enclosed by the clamping ring (4) indirectly with a clamping shoe (19, 20) that is interposed in a twisted flute (9, 10).
L'invention concerne un outil de perçage à face de coupe comprenant un foret (1) pourvu d'une partie queue (2) à rainures hélicoïdales, et un anneau de serrage (4). Cet anneau de serrage qui entoure de façon tubulaire la partie queue (2) ou la tige (30) et peut être fixé dessus dans différentes position de réglage axiales, sert de support à une lame (5). L'anneau de serrage (4) est fixé au foret (1) par une vis de blocage (6) qui le traverse de manière sensiblement radiale par rapport à l'axe de foret (7). Ainsi, les vis de serrage (6) agissent respectivement sur les surfaces des rainures hélicoïdales (9, 10) recouvertes par l'anneau de serrage (4) par l'intermédiaire d'un sabot de serrage (19, 20) logé dans une rainure hélicoïdale (9, 10) .
Jager Horst
Zeug Berthold
Kennametal Inc.
Marks & Clerk
LandOfFree
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