660MW超超临界汽轮机低压外缸加工技术研究  

Machining Technology Research on LP Outer Casing of 660 MW Ultra-supercritical Steam Turbine

作　　者：谢龙飞[1] Xie Longfei(Dongfang Turbine Co.,Ltd.,Deyang Sichuan,618000)

机构地区：[1]东方汽轮机有限公司,四川德阳618000

出　　处：《东方汽轮机》2018年第4期36-40,共5页Dongfang Turbine

摘　　要：文章分析了660MW超超临界汽轮机低压外缸结构、工作状态、加工及装配要求,介绍了加工工艺方案的设计,针对工件刚性差、变形大、合缸精度要求高等加工难点,提出了保证加工精度的工艺措施。The article mainly analyses the structure,work status,machining and assembly requirement of LP outer casing of 660 MW ultra-supercritical steam turbine.The article introduces design of machining process,and provides process solution according to the worse rigidity,easy deformation,accuracy assembly etc.

关 键 词：低压外缸 工艺方案 精度保证 

分 类 号：TK266[动力工程及工程热物理—动力机械及工程]