B - Operations – Transporting – 24 – B
Patent
B - Operations, Transporting
24
B
B24B 5/00 (2006.01) B24B 5/01 (2006.01) B24B 27/00 (2006.01) B24B 33/00 (2006.01) B24B 35/00 (2006.01)
Patent
CA 2315930
A description is given of an apparatus and a method for grinding a workpiece, in particular a shaft part. According to the method, the workpiece is clamped in place for the grinding working and its geometry is subsequently ground in such a way as to maintain its dimensions and shape. According to the invention, at least part of the surface of the workpiece is precision-worked at least partly at the same time as the grinding. The apparatus according to the invention has a work-spindle headlock and a tailstock for clamping the workpiece in place as well as a grinding unit with a grinding wheel for grinding the workpiece. The grinding unit and workpiece are arranged movably in relation to each other in a controlled manner. The apparatus according to the invention additionally has a precision working unit, which can be moved according to the geometry of the workpiece in such a way that at least part of the surface of the workpiece is able to undergo precision working.
L'invention concerne un dispositif et un procédé pour le polissage d'une pièce, notamment d'une partie d'arbre. Selon ce procédé, la pièce est bloquée en vue d'être usinée par maillage et sa géométrie est ensuite rectifiée en fonction des cotes et des formes exactes. Au moins une partie de la surface de la pièce subit au moins partiellement une superfinition parallèlement à ce polissage. Le dispositif comporte une poupée porte-pièce et une contre-poupée permettant le blocage de la pièce, ainsi qu'une rectifieuse pourvue d'une meule pour le polissage de la pièce. La rectifieuse et la pièce sont disposées de manière mobile et asservie l'une par rapport à l'autre. Ce dispositif possède en outre une unité de superfinition qui se déplace selon la géométrie de la pièce de telle manière qu'au moins une partie de la surface de celle-ci subisse une superfinition.
Erwin Junker Maschinenfabrik Gmbh
Smart & Biggar
LandOfFree
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