蜡模误差与叶片精度控制技术研究进展  

Research Progress in Controlling Technologies of Wax Pattern Error and Blade Accuracy

作　　者：罗强 李飞[2] 马鑫 雷四雄 赵彦杰[2] 戚诚康 李治辉 来俊华 Luo Qiang;Li Fei;Ma Xin;Lei Sixiong;Zhao Yanjie;Qi Chengkang;Li Zhihui;Lai Junhua(AECC South Industry Co.,Ltd.;Shanghai Key Laboratory for High Temperature Materials and Precision Forming,Shanghai Jiaotong University)

机构地区：[1]中国航发南方工业有限公司 [2]上海交通大学,上海市先进高温材料及其精密成形重点实验室

出　　处：《特种铸造及有色合金》2022年第8期944-950,共7页Special Casting & Nonferrous Alloys

基　　金：“十三五”两机重大专项基金资助项目(2017-Ⅶ-0008);国家自然科学基金资助项目(52074183);国家重大研究计划资助项目(J2019-Ⅵ-0004-0117)。

摘　　要：镍基高温合金涡轮叶片作为航空发动机、燃气轮机的关键热端部件,主要采用熔模铸造制备。介绍了熔模铸件精度的内涵,阐述了精确控形对于叶片性能提升的重要意义,分析了镍基高温合金涡轮叶片铸造用蜡模制备过程中误差形成的影响因素。总结了近年发展起来的叶片尺寸精度控制技术研究成果,并对其发展趋势进行了展望。As the key hot-end components of aeroengine and gas turbine,nickel base superalloy turbine blades were mainly prepared by investment casting.Firstly,the accuracy connotation of investment castings was introduced,and the significance of accurate shape control for improving blade performance was expounded.Secondly,the influencing factors of error in the preparation of wax pattern for turbine blade investment casting were analyzed,and the research results of accuracy controlling technology of wax pattern for turbine blade developed in recent years were summarized,and its development trend was prospected.

关 键 词：涡轮叶片 蜡模 熔模铸造 误差 尺寸精度 

分 类 号：TG249.5[机械工程—精密仪器及机械] TG146.15[金属学及工艺—铸造]