This article presents the possibility of automating a formalized selection of technological operations by interconnecting dependencies between all the component components of the technological ...process. It is shown that the dependencies are folded, including the specifics of working with an enterprise or an enterprise. The study demonstrates the nuances that make it difficult for production and law to affect the approach to selecting a tool and equipment for performing one or one technological operation. An example of a technological process forming for manufacturing a detail in the example of an aviation part of the profile type is given.
Today in the production sector all industries are trying to reduce costs while improving product quality. This is a quite ambitious purpose. However, current advances in technology provide such a ...necessary step towards making significant improvements in the standardization and general practice of complex processes. Making steps simpler, using different visual cues and a quality assurance system, a virtual reality system can provide greater flexibility in production without any additional risk of making mistakes. Its unique feature is the ability to simplify the diverse complex tasks associated with modern assembly and production processes, reduce risks and bring to life products that are part of the new 21st century.
This article discusses a typical production structure, describes the theory and terminology. The article also presents theoretical information on presentation of data, knowledge and types of ...knowledge, data formalization and describes the concept of formalization. The problem of automating the assessment of manufacturability of the product design using modern information technologies and data analysis was discussed. An algorithm for typical formalization of information used in the analysis of manufacturability was developed, and an example of its used for an electronic part model was provided.
The study is divided into two principal parts. The first is devoted to the analysis of the structure of a hand prosthesis based on the principle of electromyographic sensor. The second part of the ...study is devoted to the analysis of the strength of the prosthesis structural element with its further modification. The study deals with the most loaded structural elements of bionic hand prosthesis made using 3D printing. The engineering analysis was carried out while specifying various variants of prosthesis load taking into account their approximation to real conditions.
As part of the project to create a comprehensive resource-saving technology for the associated production of nanostructure concentrates, the reliability of the software package "Automated control ...system for the technological process of obtaining MD1 and MD2 nanostructure concentrates" was evaluated in terms of providing thermal vortex enrichment. The calculation of the reliability of the system was performed to assess the level of reliability and quantitatively determine the reliability indicators for the implementation of the functions of ACS TO 2.12. The object to be calculated was identified, the goals and objectives of the calculation at this stage, the nomenclature and the required values of the calculated reliability indicators were determined, the calculation method was selected that is adequate to the features of the object, the goals of the calculation, the availability of the necessary information about the object and the source data for the calculation. The initial data for the calculation were obtained and pre-processed; the values of the reliability indicators of the object were calculated. From a comparison of the calculation results with the reference values of the integral safety level (SIL) in accordance with IEC 61508, it follows that the maximum safety level of the ACS TO 2.12 SIL 2, the system availability is 98.97%, and the system uptime is 2 years. The probability of a dangerous failure of the PAZ system is 1.31·10−4, which corresponds to a high value of the integral safety level (SIL 4).
As part of a series of works on the processing of aluminum and silicon waste products, including the project to create a comprehensive resource-saving technology for the production of nanostructure ...concentrates along the way, the algorithm of the automated system for controlling the technological process for producing concentrates of MD1 and MD2 nanostructures in part providing thermal vortex enrichment is described. Algorithms have been developed for the automated processing of incoming raw whole data into a real format in the parameter range, for controlling the three-position regulator (RO) with open/close commands with a built-in automatic step-by-step PI controller. The purpose and characteristics of the processes, the information used, the results of the solution, the decision algorithms, the requirements for the test example are described.
This paper proposes the method of transition from a 3D model to its ontological representation and describes its usage in the aircraft design process. The problems of design for manufacturability and ...design automation are also discussed. The introduced method is to aim to ease the process of data exchange between important aircraft design phases, namely engineering and design control. The method is also intended to increase design speed and 3D model customizability. This requires careful selection of the complex systems (CAD / CAM / CAE / PDM), providing the basis for the integration of design and technological preparation of production and more fully take into account the characteristics of products and processes for their manufacture. It is important to solve this problem, as investment in the automation define the company's competitiveness in the years ahead.
At present, one of the most promising directions of aircraft engineering is the use of composite materials for airframe manufacture. Hence, it is necessary to study the properties of materials and ...their compositions, to be able to carry out the engineering analysis of thus made structures and to simulate their behavior under different loading conditions. The use of calculation complexes for the systems using composite materials makes it possible to effectively determine the required properties of composite materials and improve the bearing capacity of the system, rationalize its design. The engineering calculation of the system stiffness properties using the finite-element method was performed. Two versions of models made of composite materials and a model made of isotropic alloy B95 were compared.
To identify the imperfection of technological processes during smelting of rail steel and the subsequent production of rails in modern conditions, traditional methods of research are not enough. ...Implementation of Barkhausen effect amplitude measurement, residual stresses for defect detection, material structure analysis with the purpose of improving production technology is proposed. Thus, combination of traditional metallographic, mechanical and new research methods that complement and ascertain the requirements of GOST R 51685-2013 can allow conducting fast and accurate analyzes of the conformity of rail steels to GOSTs, and will also determine the causes of rail failure, inconsistencies in technological processes.
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