形状創成関数による加工作業と加工形状の特徴量の導出

概要

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Process planning for machined parts typically requires reasoning about machining features. However, such machining features do not generally take into account a micro-level geometric characteristics of contacting shape between the required shape and the cutting tool, and the macro-level geometrical characteristics of removal volume. Therefore these machining features do not correspond directly to machining operations. The objective of this paper is to capture the fundamental characteristics of machining process and make suitable machining process models based on them. First, a model of the machining process based on the form shaping system theory proposed by Reshetov is constructed. Second, the characteristics of machined surface are the number of parameters in the family of the instantaneous positions of the cutting points, the machined surface, and the contact shape between the locus of the cutting edge in a cutting motion (named macro cutting tool) and the machined surface, are proposed. The characteristics of machining process are the number of macro cutting tool parameters, the number of feed directions in machining operation, and the number of enveloping constraints are also proposed. Finally, the abstract model of machining operation and the abstract model of operation planning which can represent, the linear equations are proposed.
公益社団法人精密工学会の論文
1998-05-05