Abstract
Modern approaches to the design of machining processes must reliably guarantee the required accuracy of parts manufacturing. When using pre-configured equipment in automated technological design, it is impossible to ensure the accuracy of technological processes without performing a dimensional and precision analysis of design solutions. The article deals with dimensional accuracy analysis, which evaluates the accuracy of obtaining the design dimensions specified in the working drawing of the part. This assessment is necessary to determine the effectiveness of the designed technology and prevent defects in the process of obtaining the specified dimensions. In addition, it is possible to formulate recommendations for adjusting the adopted project decisions to ensure their quality indicators. In the course of solving the problem, the model of the technological process from the initial bar billet to the finished part is considered. For its description, a probabilistic method for calculating technological dimensional chains is used. This method allows you to expand the tolerance fields of the component links of dimensional chains in comparison with the maximum-minimum method, which makes the processing process more economical. This method is available for the development of automated calculation of technological dimensional chains and can be used in modern automated production.
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Galkin, M.G., Smagin, A.S. (2021). Calculation of Technological Dimensional Chains by Probability Method. In: Radionov, A.A., Gasiyarov, V.R. (eds) Proceedings of the 6th International Conference on Industrial Engineering (ICIE 2020). ICIE 2021. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-54817-9_6
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