Transactions of Materials and Heat Treatment

Title：ANALYSIS OF FORMING AND DETERMINATION OF TECHNOLOGICAL PARAMETERS FOR DOME-SHAP PARTS

Authors： Li Shuoben Yu Lianzhong (Harbin Institute of Technology)

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year,vol(issue):pagenumber：1981,6(3):1-6

Abstract：

The forming process of a dome—shap part is more complex than drawing of a cup. Moreover, there are much more difficulties, up to now there is no sufficient reliable data for design. In this study, the analysis of the influence of various practical factors to the distribution of stress and wrinkling on the dome-shap surface is based on the calculation of stresses inside a blank during its forming.A method of calculation and formulae are derived for the necessary pressure of blankholder to eliminate the wrinkle on the dome-shap surface based on the analysis of a diameter on which the sense of stress is changed.

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Reference：

[1]#12
[2] ASM Metals HandbooK Vol、4 1969
[3] ASTME Die Design Handbook 1965
[4] 日本塑性加工学会加工便览1975

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