Abstract
The question of selection of variants for objective optimization of manufacturing preparation of production of different structural-manufacturing solutions of metal-composite articles and units with transversal connections are actualized. Several variants of structural-manufacturing solutions (SMS) of joints are considered. Three types of fastening connections are selected for analysis, i.e. with pyramidal, cylindrical and sheet-formed micro-fasteners (MF).Structural schemes of possible manufacturing processes of creation fastening micro-elements with different shapes are suggested. These schemes take into consideration influence of both main and auxiliary operations, which have to be taking into account at estimation of manufacturing process duration and energy consumption.Possibility of micro-fasteners manufacturing of aluminum, titanium alloya and stainless steels is considered at comparison of numerical parameters of manufacturing processes.Producing of micro-fasteners by means of milling with both disc and cylindrical mills, and up-to-date methods of electro-erosion treatment of materials with electrode-tool or with moving wire is analyzed as comparing parameters of different manufacturing processes.Properties of manufacturing processes of fastening elements forming are determined as actual ones. Duration of connecting elements manufacturing and required energy resources consumption are selected as exact actual parameters,Qualimetric model of manufacturing processes selection with consequent their optimization in accordance with goal functions is synthesized. Incoming, controllable and outcoming parameters of the model are determined. Approach to calculation of complex quality index of micro-fasteners manufacturing is suggested. This approach is used for calculation numerical quality indexes of different manufacturing processes. General conclusions are done.
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