吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (6): 1974-1980.doi: 10.13229/j.cnki.jdxbgxb201606029

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Optimal design of hot stamping tools with conformal cooling channels

HE Bin, LI Xian-da, YING Liang, HU Ping, ZHANG Xiang-kui   

  1. State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian 116024, China
  • Received:2015-06-09 Online:2016-11-20 Published:2016-11-20

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Abstract: The temperature uniformity of hot-stamping tool with conformal cooling channel was optimized integrally based on single-objective optimization. An optimal design of hot-stamping tool with conformal cooling channel was presented on the basis of heat flux boundary. The ratio of channel center point on the offset contour lines, the radius and the distance between channel center and tool surface are set as the optimal variables. The temperature uniformity of the tool surface is given as optimization objective. Combing with the pointer optimizer, the optimization of the shape and position parameters of the hot-stamping tool with conformal channels was carried out. The maximum temperature, the average temperature and the temperature uniformity were improved by the optimization. Moreover, the cooling performances of the tool before and after optimization by applying heat flux boundary or temperature boundary present the same trend. It is proved that the simulation approach with direct heat flux boundary is reliable and effective.

Key words: materials synthesis and processing technology, hot stamping tool, conformal cooling channel, temperature uniformity, single object optimization

CLC Number: 

  • TB31
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