Abstract
The aim of this study is informational support of the aerospace object production at the stages of their lifecycle. The purpose is to provide the necessary parameters of the aerospace products quality, which involves providing relevant information at each stage of the lifecycle in an easy-to-understand and complete form. The task is to create the analytical standard using the example of parts of precision and unit production. The model is based on the analytical standard of parts geometry developed using CAD/CAM-systems with the subsequent expansion of the models list to transfer the necessary information to all participants of the product lifecycle. According to the analysis, significant limitations of drawing documentation for informational support of aerospace industry objects at the stage of technology development are identified. The quality characteristics of the part are grouped according to the compliance degree with its nominal (reference) value of shape and dimensions (macrogeometry and microrelief), physical and chemical properties of the material and the surface layer, technological heredity and industrial purity. It is proposed to develop their models with the CAD/CAM-systems tools based on the analytical sample of geometry. Three necessary conditions for the correct formulation of the shaping problem regarding the implementation of quality management of serial products of machine-building enterprises are established. If at least one of them is violated, it is necessary to attract additional heuristic information to reproduce the correctness of the problem. The analytical standard creation and control implementation of an example of a mill that considers the geometry of the edges are shown, as well as a comparison of the reference geometry and geometry portrait. The scientific novelty of the obtained results consists of the concept introduction of an edge as a surface that connects the working “lines of two surfaces intersection” of a part. The representation of edges in the form of surfaces, not lines, on the one hand, and the selection of these surfaces from the totality of other working surfaces of the parts, on the other hand, creates an informational basis for developing the appropriate manufacturing technologies and maintenance of these parts elements during the product operation.
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