An innovative extrusion die layout design approach for single-hole dies |
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| Authors: | Chao Lin Rajesh S Ransing |
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| Affiliation: | 1. Institute of Forming Technology and Lightweight Construction (IUL), TU Dortmund University, Baroper Str. 303, 44227 Dortmund, Germany;2. University of Bologna, Department of Industrial Engineering DIN, Viale Risorgimento 2, 40136 Bologna, Italy;1. Engineering Research Center of Continuous Extrusion, Ministry of Education, Dalian Jiaotong University, Dalian 116028, China;2. Dalian Konform Technical Limited Company, China;1. Department of Industrial Engineering (D.I.N.) University of Bologna, V.le Risorgimento 2, 40136 Bologna, Italy;2. Institute of Forming Technology and Lightweight Construction (IUL), TU Dortmund University, Baroper Str. 303, 44227 Dortmund, Germany;1. State Key Laboratory of Advanced Design and Manufacture for Vehicle Body, Hunan University, Changsha 410082, China;2. School of Mechanical Engineering, Hunan Industry Polytechnic, Changsha 410208, China;3. School of Mechanical Engineering, University of South China, Hengyang 421001, China;1. Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), Shandong University, Jinan, Shandong, 250061, PR China;2. Shandong Yancon Light Alloy Co., Ltd., Zoucheng, Shandong, 273500, PR China |
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| Abstract: | To avoid distortion of complex extrudate profiles, it is essential that the exit velocity of the metal is uniform. The most important design parameter that controls the exit velocity is bearing length. However, this factor is not sufficient to achieve optimal design settings. This paper proposes an innovative layout design approach using a geometry based bearing length design methodology to minimise variations in exit velocity. This paper focuses on single hole extrusion dies and develops an optimisation algorithm suitable for any die profile. Since the optimised die design produces less bearing length difference, more uniform exit velocity and higher design quality would be achieved using the proposed approach. |
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