航空整体结构件数控加工变形预测及控制技术研究  

Research on CNC Machining Deformation Prediction and Control Technology of Aviation Integral Structural Parts

作　　者：丁明亮 Ding Mingliang(Air China Harbin Dong'an Engine Co.,Ltd.,Heilongjiang,Harbin 150066,CHN)

机构地区：[1]中国航发哈尔滨东安发动机有限公司,黑龙江哈尔滨150066

出　　处：《模具制造》2024年第2期244-246,共3页Die & Mould Manufacture

摘　　要：航空整体结构件是航空器的重要组成部分,其制造过程中需要考虑多种因素,包括材料的选择、结构的设计和加工过程的控制等。其中,材料特性和结构特性对航空整体结构件数控加工变形具有重要影响。分析了航空整体结构件数控加工变形机理,探讨了基于有限元模型和数字孪生技术的加工变形预测方法,并提出了毛坯残余应力调控技术、加工参数优化、走刀路径优化和优化装夹布局等控制策略。Aeronautical integral structure is an important part of aircraft.Many factors need to be considered in the manufacturing process,including material selection,structure design and process control.Among them,material properties and structural properties have an important influence on the CNC machining deformation of aviation integral structural parts.In this paper,the deformation mechanism of CNC machining of aviation integral structural parts is analyzed,and the prediction method of machining deformation based on finite element model and digital twin technology is discussed.The control strategies such as blank residual stress control technology,machining parameter optimization,tool path optimization and clamping layout optimization are proposed.

关 键 词：航空整体结构件 变形机理 变形预测 变形控制 

分 类 号：TG659[金属学及工艺—金属切削加工及机床]