Workpiece surface lapping machine - has pockets of workpiece cage set into eccentric rotation for time determined by formula (NL 29.3.78)

The workpieces are fitted in the pockets of a workpiece cage and the cage and workpiece are set into rotation about the natural axis, together with the eccentricity of this axis of the cage about the axis of the drive shaft of the machine. In addition to the rotation, the shaft (1) of the workpiece...

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Main Author P. N. ORLOV, I. A. LOGINOV, V. E. BEIDEN, B. S. SMOLYANINOV, A. S. BALABANOV, V. V. SCHERBAKOV, A. V. CHAMOV, K. F. SKVORTSOV, A. S. CHIZHOV, M. M. KHASANOV ET V. A. PESHKOV
Format Patent
LanguageEnglish
French
Published 21.04.1978
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Summary:The workpieces are fitted in the pockets of a workpiece cage and the cage and workpiece are set into rotation about the natural axis, together with the eccentricity of this axis of the cage about the axis of the drive shaft of the machine. In addition to the rotation, the shaft (1) of the workpiece cage (2) is turned about a non-coincident but parallel axis, which is eccentric w.r.t. the axis of the drive shaft. The operating time for the theoretical size of the total rotation eccentricity (C) of the axis of the workpiece cage (2) about the axis of the drive shaft is determined from the condition of the wear regularity on the complete surface of the workpiece (3). The amount of wear is computed according to a formula. L'invention concerne l'usinage de pièces en matériaux difficiles à travailler. Le procédé faisant l'objet de l'invention est caractérisé notamment en ce que la cage 2 dans laquelle sont disposées les pièces à roder 3 est animée d'un mouvement rotatif supplémentaire par rapport à un autre axe, qui ne coïncide pas avec son propre axe 1 et qui est parallèle à celui-ci et excentrique par rapport à l'axe de l'arbre d'entraînement de la machine. L'invention s'applique notamment à l'usinage de pièces en acier, céramique, alliage dur, quartz, rubis, silicium, saphir, verre et autres.
Bibliography:Application Number: FR19770028931