真空泵叶轮的铸造

Foundry Method of A Large Vacuum Impeller

介绍真空泵叶轮的铸造工艺。采用了阶梯浇注系统和通水强化冷却,使铸件质量达到了要求。

The foundry method of a large vacuum impeller was introduced.By adopting stepp ed pouring system and introducing water into the center part of the casting afte r pouring to intensify cooling of the casting,the quality requirements of the c asting were fulfilled.