Punching Force of Cold Die of Fuzzy Reliability Considering the Random Distribution of Material Properties

Zhi Su Zhao; Xing Hua Zhang

doi:10.4028/www.scientific.net/AMR.311-313.1577

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 311-313Punching Force of Cold Die of Fuzzy Reliability...

Punching Force of Cold Die of Fuzzy Reliability Considering the Random Distribution of Material Properties

Abstract:

In order to be considered in the calculation of punching force of cold die random distribution of material properties, meanwhile including success and failure punching during the gradual change process in the calculation. Based on probabilistic fuzzy reliability point of view, the success or failure determination will be extended to fuzzy events. Based on fuzzy reliability, the punching force of cold die calculation method will be also given when taking the impact of random distribution of material properties into account. Related analysis formulae and the fuzzy criterion of success or failure of punching are established and derived. Through which, design and engineering process are integrated, the designer will be more reliably to predict the success or failure of the punching during the design stage. The processing error of lack of statistical data and the objectivity of the success or failure determination criterion will be easily solved. Economy cost and reliability design of geometrical curve design will be also considered.

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Periodical:

Advanced Materials Research (Volumes 311-313)

Pages:

1577-1582

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.311-313.1577

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Online since:

August 2011

Authors:

Zhi Su Zhao, Xing Hua Zhang

Keywords:

Fuzzy Reliability, Material, Probability and Statistics, Punching, Random Characteristic

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