汽车涡轮增压器中心架铸造工艺的优化  

Casting Craft Optimization of the Center Housing Cast in the Automobile Turbocharger

作　　者：朱征[1] 石晓菊 

机构地区：[1]天津科技大学机械工程学院,天津300222 [2]天津新伟祥工业有限公司,天津301701

出　　处：《天津科技大学学报》2007年第4期49-51,共3页Journal of Tianjin University of Science & Technology

基　　金：天津科技大学自然科学基金资助项目(20070203)

摘　　要：在汽车涡轮增压器中心架铸件生产中主要产生缩孔缺陷．根据失效模式与影响分析（FEMA）以及正交实验，找出产生缺陷原因，并得出结论：在严格控制工艺的情况下，应采用大气压冒口，浇注温度控制在1410-1360℃，并使浇注流速小于12m／s．The main deformity of the center housing cast in the automobile turbocharger is shrinkage cavity. Based on the FEMA and orthogonal experiments, the factor of producing the shrinkage cavity was founded out. The results show that the feeder head under the condition of the atmospheric pressure need to be adopted. The moulding techniques is that the temperature is about between 1410℃to 1360℃, and the moulding velocity is less than 12 m/s.

关 键 词：缩孔缺陷 冒口 正交实验 

分 类 号：TG245[金属学及工艺—铸造]