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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2007, Vol. 8 Issue (7): 1077-1083    DOI: 10.1631/jzus.2007.A1077
Mechanics & Civil Engineering     
Single gate optimization for plastic injection mold
LI Ji-quan, LI De-qun, GUO Zhi-ying, LV Hai-yuan
Department of Plasticity Technology, Shanghai Jiao Tong University, Shanghai 200030, China
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Abstract  This paper deals with a methodology for single gate location optimization for plastic injection mold. The objective of the gate optimization is to minimize the warpage of injection molded parts, because warpage is a crucial quality issue for most injection molded parts while it is influenced greatly by the gate location. Feature warpage is defined as the ratio of maximum displacement on the feature surface to the projected length of the feature surface to describe part warpage. The optimization is combined with the numerical simulation technology to find the optimal gate location, in which the simulated annealing algorithm is used to search for the optimum. Finally, an example is discussed in the paper and it can be concluded that the proposed method is effective.

Key words： Injection mold      Gate location      Optimization      Feature warpage     
Received: 22 November 2006     
CLC:  TQ320.66  
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LI Ji-quan
LI De-qun
GUO Zhi-ying
LV Hai-yuan
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LI Ji-quan, LI De-qun, GUO Zhi-ying, LV Hai-yuan. Single gate optimization for plastic injection mold. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2007, 8(7): 1077-1083.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2007.A1077     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2007/V8/I7/1077

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