用1.5 t·^(-h)冲天炉生产7.5t铸件

Using1.5 t·h^（-1） Cupola to Produce Heavy Casting with Weight of 7.5 t

通过下冷铁等工艺措施,采用1.5t·h冲天炉成功地生产出7.5t铸件,并详细介绍了该铸件的造型及浇注工艺。

By using inner densener and other process measures,a7.5t heavy casting was successfully produced with a1.5t·h -1 cupola.The foundry method and pouring process for the casting was intro-duced in detail.