复杂薄壁铝铸件负压充型工艺研究  

Study on Technology of Negative Pressure Mold-filling for Complicated and Thin-walled Aluminum Castings

作　　者：张凤青[1] 刘云[1] 靳玉春[1] 

机构地区：[1]中北大学料科学与工程学院.山西太原030051

出　　处：《热加工工艺》2010年第21期86-88,91,共4页Hot Working Technology

摘　　要：电磁负压充型工艺是在电磁充型低压铸造工艺的基础上发展而来的一种铸造技术,其充型能力强。相比传统的反重力铸造技术,该技术配合合适的浇注系统对铸件性能有明显的改善作用。通过分析其技术原理及特性,表明该技术更适合复杂薄壁铝合金铸件的生产,具有广阔的发展前景。The casting technique with electromagnetic negative pressure mold-filling develops on the basis of electromagnetic low pressure mold-filling casting technique,which has higher filling capacity.Compared with traditional counter gravity casting technique,the technique combining with appropriate gating system makes great contributions to the enhancement of mechanical property of castings.The fundamental principles and properties of the casting technique with electromagnetic negative pressure mold-filling are presented.The casting technique adopts to the production of complicated and thin-walled aluminum castings,which has profound developmental potential.

关 键 词：负压充型 电磁铸造 浇注系统 薄壁铝铸件 

分 类 号：TG249.2[金属学及工艺—铸造]