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Optimization of the Technological Process Based on Analysis of Technological Damageability of Castings

  • Yaroslav KusyiEmail author
  • Vadym Stupnytskyy
Conference paper
  • 107 Downloads
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

Reasons for machine failures are analyzed in the article. The primary role of the machining and assembly process structure for the formation of the product’s damages is noted. Improvement of the operating properties and reliability indicators are considered as a result of the pre-production technological system optimization as a part of the product’s Life Cycle Support. The relationship between the technological damageability and the workpiece’s material structure is presented in a formalized form. Methods for assessing the degree of the material’s damage based on the results of direct and indirect measurements of the material’s mechanical properties without destroying are analyzed. The method of experimental studies is described. The advantages of the method of LM-hardness analysis and evaluation of the heterogeneity of the workpiece’s physical structure are submitted. The impact of the technological route structure on forming the process of product damage was studied based on experimental researches. Technological damageability is proposed to be used as a criterion for the analysis of the technological process of workpiece machining. This method is an energy approach to the research of the product’s damage accumulation.

Keywords

Casting Technological damageability LM-hardness analyses method Weibull homogeneity coefficient 

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Copyright information

© The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Lviv Polytechnic National UniversityLvivUkraine

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