A356铝合金套筒低压铸造工艺参数的优化
Optimization of Low Pressure Casting Process Parameters for A356 Aluminum Alloy Sleeve
陈子业 1苏小平 1康正阳1
作者信息
- 1. 南京工业大学 机械与动力工程学院, 江苏 南京 211800
- 折叠
摘要
为了探究最优的A356 铝合金套筒低压铸造工艺参数组合,本文综合运用了铸造数值模拟、响应面分析法及遗传算法,以最小缩孔缩松体积和最低二次枝晶臂间距值为优化目标,对上模具预热温度、侧模具预热温度、下模具预热温度和浇注温度进行匹配及优化.结果表明,优化的工艺参数组合为上模具预热温度 307℃,侧模具预热温度为330℃,下模具预热温度为 394℃,浇注温度为 701℃.上述优化参数组合能有效提高铸件的成型质量及力学性能.
Abstract
In order to explore the optimal combination of low pressure casting process parameters for A356 aluminum alloy sleeve,numerical simulation of casting,response surface analysis method and genetic algorithm were used to optimize the upper die preheating temperature,the side die preheating temperature,the lower die preheating temperature and the casting temperature by taking the volume of shrinkage cavity and shrinkage porosity and the distance between secondary dendrite arms as the optimization objectives.The results show that the optimal process parameters are as follows:the upper die preheating temperature is 307℃,the side die preheating temperature is 330℃,the lower die preheating temperature is 394℃and the casting temperature is 701℃.The combination of optimized parameters can effectively improve the forming quality and mechanical properties of the castings.
关键词
A356/铝合金套筒/低压铸造/数值模拟/响应面法/遗传算法Key words
A356 aluminum alloy sleeve/low pressure casting/numerical simulation/response surface method/genetic algorithm引用本文复制引用
基金项目
江苏省高等学校自然科学研究课题(19KJB460005)
出版年
2024
NETL
NSTL
万方数据