Design considerations of hydromechanical drawing of sheet components with concave local features

Qin, Yi and Balendra, Raj (2004) Design considerations of hydromechanical drawing of sheet components with concave local features. Journal of Materials Processing Technology, 145 (2). pp. 163-170. ISSN 0924-0136

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Abstract

The definition of the form-errors of component in nett-forging required the analysis of error generation by considering both thermal and mechanical factors in the forging. To-date, however, most of the analyses have only referred to a single manufacturing cycle. Since forging productions are largely multi-cycle operations, component form-errors can vary with the manufacturing cycle. Using a developed procedure, the temperature change in the die during multi-cycle forward extrusion operations was computed. The computed temperature distributions in the die were then used for initiating the analysis of component form-errors for given manufacturing cycles. The analysis refers to forward extrusion for both single solid die- and compound die-set-configurations.