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Systematic process selection for cold forging

Marini, Daniele and Cunningham, David and Corney, Jonathan (2015) Systematic process selection for cold forging. In: 13th International Cold Forming Conference Proceedings. University of Strathclyde Publishing, Scotland, pp. 54-64.

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This paper presents a hybrid model for determining feasible cold forging methods for individual components that is extendable to other manufacturing areas. An initial screening of candidate processes could potentially be followed by a systematic comparison of their capabilities through fuzzy sets and the product’s functional requirements. A comparative complexity evaluation between the component and a Near Net Shape (NNS) approximation formed product allows evaluation of the further effort necessary to produce the final component. The model supports the possibility of redesign by means of an iterative procedure in order to assess different cold forging processes with different designs. After presentation of the methodology the paper end with a case study application that ranks feasible combinations of process for a given design. This illustrates both the strengths and limitations of the proposed approach.