大型铝叶轮的铸造工艺

Casting Technology for Large Aluminum Impeller

简述了大型铝叶轮的结构特点和技术要求 ;详细介绍了采取顶注式浇注系统、成形外冷铁、复合铸型、组芯造型的铸造工艺 ,成功地生产出批量铝叶轮。

The structural characteristics and technique requirement for large aluminum impeller were expounded briefly. The casting technique with top gating system, outer shaped iron chill, compound casting mold and core assembly molding was used for producing aluminum impeller on a large scale successfully.