B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 29/034 (2006.01) B23B 31/30 (2006.01) B23C 3/05 (2006.01) B23C 5/20 (2006.01) B23C 5/24 (2006.01)
Patent
CA 2635657
To permit highly precise machining of a valve seat (26) and a valve guide, the combination tool has an extensible chuck (4) that is in particular hydraulic and is designed to hold a fine lathe for machining the valve guide. Several cutting plates (20) that are positioned in particular tangentially are situated around the periphery of said tool. The plates are preferably fixed in a cassette (14), which can be adjusted both in an axial direction (29) and a radial direction (31).
L'invention vise à réaliser un usinage de grande précision d'un siège de soupape (26) et d'un guide de siège de soupape. A cet effet, l'invention concerne un outil combiné doté d'un mandrin expansible (4), notamment hydraulique, qui sert à recevoir un outil de tournage de précision pour façonner un guide-soupape. Plusieurs plaquettes de coupe (20) disposées notamment de manière tangentielle et réparties sur le pourtour de l'outil sont de préférence fixées dans un boîtier (14) qui est réglable à la fois dans le sens axial (29) et dans le sens radial (31).
Ebert Guenter Alfred
Lehmann Thomas Christian
Kennametal Inc.
Smart & Biggar
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