高中压外缸密封面在线加工工艺研究  

On-Line Machining Process for Sealing Surface of HIP Outer Cylinder

作　　者：杜炳千 冀龙涛 范超 庄秋峰 魏栋 

机构地区：[1]上海电气电站设备有限公司汽轮机厂,上海200240

出　　处：《热力透平》2017年第3期218-221,共4页Thermal Turbine

摘　　要：汽缸变形引起的定位面和密封面变形,影响机组的安全运行。由于汽缸体积大、改造工期短等原因,寻求一种经济、安全、高效、准确的修复方法势在必行。通过对国内外密封面修复案例及其可行性的分析比较,提出了在线修复的工艺方法,利用便携式镗缸机对定位面进行镗削。通过实践应用,该方法取得了较好的效果,具有较广阔的应用前景。The locating and sealing surface deformation caused by outer cylinder deformation has a strong impact on the operation safety of unit. Due to cylinder＇s huge volume, short retrofitting period and other reasons, it＇s imperative to seek for an economic, safe, efficient and accurate repair method. By analyzing repairing cases extensively, the feasibility of repairing is compared, and an on-line process method to bore the locating surface using portable equipment is proposed. It is proved practically that this method has better effect and will be widely used in future.

关 键 词：汽轮机 现场加工 高中压外缸 密封面 

分 类 号：TK266[动力工程及工程热物理—动力机械及工程]