汽轮机静叶片内背弧型面线切割加工技术研究  

Research on the wire cutting technology of machining the static blade′s inner and back curved surface for steam turbine

作　　者：毛鹏枭[1] 谌永祥[1] 李双跃[1] 董久虎[1] 刘勇 

机构地区：[1]西南科技大学制造科学与工程学院,四川绵阳621010 [2]绵阳市瑞丰机电有限公司,四川绵阳621000

出　　处：《机械研究与应用》2012年第6期99-102,106,共5页Mechanical Research & Application

基　　金：西南科技大学研究生创新基金(12ycjj40)

摘　　要：汽轮机静叶片装配内背弧型面的加工是汽轮机静叶片关键工序之一。针对汽轮机静叶片结构特征及线切割加工工艺过程,从编程、拐角处理、加工参数设置、工件装夹等方面,研究了静叶片线切割加工技术,在满足加工精度和表面粗糙度的同时,提供了完善的加工技术,在生产应用中具有指导意义。The back curved surface machining of the steam turbine static blade assembly is one of the key processes of the steam turbine.Aiming at the static steam turbine blade structural characteristics and the WEDM-HS processing of the steam turbine static blade′s inner and back curved surface,then from the aspects of the line cutting programming,corner cutting,the processing parameters settings,workpiece positioning and so on.The steam turbine static blade machining wire cutting technology are researched.The conclusion could meet the requirements of the machined part accuracy and surface roughness,at the same time,the perfect wire cutting technology is provided in the production and application which has some great guiding significance.

关 键 词：汽轮机 静叶片 线切割 加工技术 

分 类 号：TH16[机械工程—机械制造及自动化]