600MW机组高中压外缸加工工艺  

Machining Technique of HIP Outer Casing of Dongfang-Hitachi 600MW Units

作　　者：邹伟文[1] 

机构地区：[1]东方汽轮机厂

出　　处：《东方电气评论》1999年第1期63-71,84,共10页Dongfang Electric Review

摘　　要：从600MW亚临界汽轮机组的高中压外缸加工工艺的几个重要关键项目着手,介绍汽缸的负荷分配、中分面法兰通孔及刮面加工用的复合钻、ABS镗刀模块、反向扩孔钻、三刃反向刮刀排等先进刀具的试验和应用;以及汽缸内腔精镗加工方案、汽缸侧立放加工高压进汽管口和汽缸水压试验工装设计方案等。This paper describes machining techniques of HIP outer casing of the 600MW subcritical steam turbine. It put emphasis on the key machining techniques, especially emphasizing on some key procedures including load distribution of casing,combination drill in use for machining the through holes in horizontal joint flange,ABS boring cutter blocks,test and application of reverse core drill and three-side reverse scraper,finish boring process of casing inside,laying casing on its side on the borer table for boring HP inlet,design of hydraulic test tools and so on.

关 键 词：汽轮机 汽缸 机械加工 加工工艺 

分 类 号：TK263.1[动力工程及工程热物理—动力机械及工程] TK266