GE 1600 MW核电汽轮机低压外缸加工技术研究  

Machining Technology Research for LP Outer Casing of GE 1600 MW Nuclear Power Steam Turbine

作　　者：谢龙飞[1] 刘祥[2] 巩丽[2] 刘建 XIE Longfei;LIU Xiang;GONG Li;LIU Jian(Dongfang Turbine Co.,Ltd.,618000,Deyang, Sichuan,China)

机构地区：[1]东方电气集团东方汽轮机有限公司重型二分厂焊接转子中心,四川德阳618000 [2]东方电气集团东方汽轮机有限公司,四川德阳618000

出　　处：《东方电气评论》2020年第2期55-60,共6页Dongfang Electric Review

摘　　要：本文主要分析了GE1600MW核电汽轮机低压外缸结构特点、技术要求。针对工件尺寸大、重量重、刚性差、精度高、密封要求严等加工难点,设计了先进、实用的加工及装配工艺方案,提出了保证制造精度的工艺措施。The article mainly analyses the structural characteristics,technical requirements of LP outer casing of GE 1600 MW nuclear power steam turbine.In view of the machining difficulties such as large workpiece size,heavy weight,poor rigidity,high accuracy and strict sealing requirements,an advanced and practical processing and assembly process plan is designed,and technological measures to ensure the manufacturing accuracy are presented.

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] TM623[电气工程—电力系统及自动化]