B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 29/04 (2006.01) B23B 29/20 (2006.01) B23B 31/107 (2006.01)
Patent
CA 2135922
A quick-change tool holder (10) includes a center-height adjustment mechanism for adjusting the center height of the cutting tool. The holder includes a tool support (12) to be mounted on a lathe turret or mounting block of the machine, a cutting head (14) formed with a seat for a cutting tool, and a mechanism (16) for clamping the cutting head to the support. The support includes an axial bore (28) receiving a tubular shank (32) of the cutting head. The clamping mechanism is in the bore and includes a pair of radially expandable locking elements (94) engaging the cutting head shank, and a key (82) engaging a keyway (48) in the shank. Rotation of the clamping mechanism changes the orientation of the cutting head to in turn determine the center height of the cutting tool.
Un porte-outil (10) à modification rapide comporte un mécanisme de réglage de la hauteur centrale de l'outil coupant. Le porte-outil comprend un chariot porte-outil (12) à monter sur une tourelle de tour ou un bloc de montage de la machine, un porte-lame (14) formé d'un siège pour un outil coupant, et un mécanisme (16) pour serrer le porte-lame sur le chariot. Le chariot porte-outil comporte un trou axial (28) recevant une tige tubulaire (32) du porte-lame. Le mécanisme de serrage se trouve dans le trou et comprend une paire d'éléments de verrouillage (94) qui peuvent s'écarter radialement et mettre en prise la tige du porte-lame, et une clavette (82) s'engageant dans une rainure (48) que comporte la tige. En faisant tourner le mécanisme de serrage, on modifie l'orientation du porte-lame, ce qui permet de déterminer la hauteur centrale de l'outil coupant.
Erickson Robert A.
Oshnock James A.
Kennametal Inc.
Smart & Biggar
LandOfFree
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