The article considers the risk assessment system based on selecting risk response actions in accordance with the calculated risk priority number. Problems of the application of the RPN method and ideas for overcoming these problems are considered. An approach consistent with the AIAG & VDA FMEA methodology that is capable of eliminating some disadvantages of using the priority risk number method is proposed.
The separation of impurities from raw cotton is investigated. The possibility of increasing the efficiency by reducing the stiffness of the cotton is considered. Vibration of the grid that holds the cotton may be used to that end.
The article analyzes the development of high-tech sectors of the Russian economy in the context of import substitution. Features of managing priority project portfolios are considered. Issues of creating a unified information space for aviation industry enterprises are studied in the context of introduction of a modified OLAP technology of management decision support. Investment attractiveness of high-tech sectors of the Russian economy is estimated based on the coefficient of gross value added of project products. Investment-overheated industries are identified, and recommendations on market correction and returning project assets to a balanced state are given.
The variation in surface roughness Ra is analyzed for finishing by a series of free abrasives. A design method is proposed for this operation, regarded as stream finishing. The optimal sequence of abrasives in finishing is determined for a specific example.
The article presents the results of development and implementation of a comprehensive calculation and statistics toolkit for mass quality control and monitoring for electrical components of electrical systems of newly assembled cars.
The article considers approaches to improving the risk assessment system based on action priority setting, which is used in the AIAG & VDA FMEA methodology. Two variants of action priority matrices are proposed, both symmetrical in terms of the number of qualitative categories for the severity, occurrence, and detection (SOD) scores. The new matrices are compared with the original matrix and with each other. The changes and their significance for risk analysis results are considered and discussed for each of the new matrices.
The study investigates the potential of reducing roughness parameters Ra and Rz of specimens fabricated by selective electron beam melting via the method of electrochemical dissolution in NaCl solutions at a current density of 20 А/cm2.
The influence of electrical discharge machining on the structure in the surface layer of heat-resistant materials is studied. Research methods are developed and new data obtained regarding the change in microstructure of the surface layer after copy-piercing and wire cut electrical discharge machining of components made from heat-resistant nickel alloys.
A mathematical model is developed for preparing a tool control program in the finishing and hardening of a complex workpiece with a cycloidal helical surface by surface plastic deformation.
The article presents the results of an experimental study of mechanical properties of ABS plastic samples by tensile testing. The samples are fabricated by 3D printing and are oriented in ZXY-0° coordinates relative to the build platform. Dependences of mechanical properties of the samples on printing process parameters (temperature, printing speed, degree of air cooling, and material feed coefficient) are established.
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