注塑成型中冷却水温度与流速的优化分析
首发时间:2016-04-26
摘要:注塑成型过程中,注塑模具冷却系统的冷却效果直接影响制品的最终表面质量、残余应力和结晶度等,设定合理的冷却剂入口温度和流动速率对冷却系统的热传递性能起决定作用。本文针对某一确定几何参数及空间布置的注塑模具冷却系统,选用冷却水作为冷却剂,基于AMI冷却分析结果并利用多指标方差分析法和Taguchi正交试验法,探讨了冷却阶段回路中冷却水温度和流速对冷却效果的影响,分析冷却效果最佳的冷却水温度、流速组合值,并综合各因素比较两种方法下的组合值,保证最终确定的冷却水温度与流速组合为冷却效果最优解。
关键词: 注塑成型 冷却系统 入口温度与流速 优化分析 方差分析法 Taguchi正交试验法
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Optimal Analysis of Cooling Water's Temperature and Flow Rate in Injection Molding
Abstract:In injection molding process, cooling system's cooling effect of injection mold had a direct impact on product's final surface quality, residual stress, crystalline degree, etc. Setting reasonable coolant's temperature of entrance and flow rate played a key role in cooling system's heat transfer properities. In this paper, taking the example of an injection mold's cooling system which had certain geometrical properties and space layout, selecting cooling water as coolant, the influence degree of cooling water's temperature and flow rate to cooling effect and optimal combination values were based on AMI analysis, multi-index variance analysis and Taguchi orthogonal expertiment method. Comprehensive evaluation revealed the optimal combination values of cooling water's temperature and flow rate can well meet the requirements of cooling system of injection molding.
Keywords: Injection molding Cooling system Temperature of entrance and flow rate Optimization Variance analysis Taguchi orthogonal experiment method
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