CAP1400核电汽轮机低压外缸制造技术研究  

Research on Manufacturing Technology of Low Pressure Outer Cylinder of CAP1400 Nuclear Power Steam Turbine

作　　者：谢龙飞[1] 刘祥[1] 巩丽[1] 罗霞[1] 李晓驰[1] XIE Longfei;LIU Xiang;GONG Li;LUO Xia;LI Xiaochi(Dongfang Turbine Co.,Ltd.,Deyang Sichuan,618000)

机构地区：[1]东方电气集团东方汽轮机有限公司,四川德阳618000

出　　处：《东方汽轮机》2021年第3期48-52,共5页Dongfang Turbine

摘　　要：文章介绍了CAP1400核电汽轮机低压外缸结构特点、技术要求、工作状态,针对工件尺寸大、重量重、刚性差、变形大、合缸精度高、密封要求严等加工难点,设计了先进、实用的加工及装配技术方案,提出了保证制造精度的工艺措施。This paper introduces the structural characteristics, technical requirements and working state of the low pressure outer cylinder of CAP1400 nuclear power steam turbine. In view of the machining difficulties such as large workpiece size, heavy weight,poor rigidity, large deformation, high cylinder accuracy and strict sealing requirements, an advanced and practical processing and assembly technical scheme is designed, and the technological measures to ensure the manufacturing accuracy are put forward.

关 键 词：低压外缸 加工难点 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]