铝合金壳体铸件翻转浇注工艺研究  

Research on Inversion Casting Process of Aluminum Alloy Housing Casting

作　　者：白丹[1] 肖寒[1] 白智渊 

机构地区：[1]昆明理工大学材料科学与工程学院,云南昆明650093 [2]陕西法士特汽车传动集团有限责任公司,陕西宝鸡722409

出　　处：《热加工工艺》2013年第15期86-88,共3页Hot Working Technology

摘　　要：翻转浇注是重力浇注的一种特殊形式,它有许多优点,有利于解决复杂铸件浇注过程产生的缩孔、缩松、气孔、夹杂等铸造缺陷。对航空用铝合金壳体铸件的浇注工艺进行了研究,分析了传统重力底注铝合金壳体铸造缺陷的原因,提出了翻转浇注工艺并进行了改进。结果表明,改进后的工艺使铝合金壳体铸件的合格率增至90%,获得了无夹渣和气孔的铸件。Inversion casting is a special form of gravity casting. It has many advantages and it is beneficial to solve complex casting shrinkage hole, shrinkage, porosity, inclusions and other casting defects. The casting process of aeronautic aluminum alloy housing was studied. The reasons for casting defects during traditional gravity casting with bottom pouring system were analyzed. And inversion casting process was proposed and improved. The results show that, the qualified rate of the aluminum alloy housing casting produced by the improved process has increased to 90%, which gets casting without slag inclusion and blowhole.

关 键 词：铝合金壳体 低压浇注 翻转浇注 铸造缺陷 

分 类 号：TG292[金属学及工艺—铸造] TG244