铸造2011，Vol.60Issue(1)：42-46,5.
高真空压铸铝合金轿车底盘部件的压射工艺试验及优化
Experiment and Optimization of Shot Parameters of High Vacuum Die Casting for Aluminum Alloy Car Chassis Part
摘要
Abstract
Based on innovative high vacuum control system, effects of shot parameters including vacuum level, venting time, shot velocity and switch position of fast velocity on casting quality and mechanical properties were investigated for the high vacuum die-cast car chassis part in this paper.The results show that optimal process parameters are as follows: the vacuumed startup and stop position are 110 mm and 700 mm respectively, and the vacuum level of cavity is up to 91 kPa;meanwhile the slow and fast velocity of the injection punch are 0.19 and 5.8 m/s, and switch position of fast velocity is 240 mm.The round car chassis part can be achieved under above parameters,whose tensile strength is 281.56 MPa, yield strength 155.44 MPa and elongation up to7.34％.The chassis part was successfully employed in a domestic own-brand car.关键词
高真空压铸/铝合金/轿车底盘/工艺参数分类
金属材料引用本文复制引用
林海,万里,刘后尧,张寓朝,吴湛方,杨林方,李高,吴树森..高真空压铸铝合金轿车底盘部件的压射工艺试验及优化[J].铸造,2011,60(1):42-46,5.基金项目
广东省教育部产学研结合项目(2009B090300243). （2009B090300243）
