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.
作者
谢龙飞
Xie Longfei(Dongfang Turbine Co.,Ltd.,Deyang Sichuan,618000)
出处
《东方汽轮机》
2018年第4期36-40,共5页
Dongfang Turbine
关键词
低压外缸
工艺方案
精度保证
LP outer casing
process plan
accuracy requirement