锻压技术

航空导管接头旋压连接装置逆向建模及工艺参数优化

英文标题：Reverse modeling and optimization of process parameters for aviation pipe joint spinning connection device

作者：王伟王涓僖肖军雷杨宝林张双杰苏孺

分类号：TG386；V262.3

出版年,卷(期):页码：2022,47(2):106-112

摘要：

针对无扩口型钛合金航空导管接头的旋压连接，采用逆向技术对旋压连接装置进行建模。基于Deform-3D有限元软件，建立航空导管连接接头旋压连接的有限元模型。基于有限元分析，采用响应曲面法，以主要工艺参数为变量，以填充率为优化目标，建立完全二阶响应曲面函数模型。通过对响应曲面函数模型的寻优求解，获得合理的工艺参数组合为：芯轴自转速度为2.68 r·s-1、芯轴轴向进给速度为0.11 mm·s-1，模型预测的填充率为93.3%。采用优化参数数值模拟的填充率为93.1%，与模型预测值的相对误差为0.21%；试验制件的填充率为92.8%，与模型预测值的相对误差为0.54%，同时亦对试验制件的主要性能进行了检测。结果表明，构建的响应曲面函数模型具有良好的精度，采用优化参数后,导管内壁变形均匀，管套凹槽填充效果良好，导管连接接头性能优良。

For the spinning connection of unflared titanium alloy aviation pipe joint, the spinning connection device was modeled by reverse technology, and the finite element model of the spinning connection for aviation pipe joint was established by finite element software Deform-3D. Then, based on finite element analysis, taking the main process parameters as variables and the filling rate as the optimization objective, a complete second-order response surface function model was established by the response surface method. And through the optimal solution of the response surface function model, the reasonable combination of process parameters was obtained as the rotation speed of mandrel of 2.68 r·s-1, the axial feeding speed of mandrel of 0.11 mm·s-1 and the filling rate predicted by the model of 93.3%. Furthermore, the filling rate of numerical simulation with the optimized parameters was 93.1%, and the relative error with the model predicted value was 0.21%. The filling rate of the experimental workpiece was 92.8%, and the relative error with the model predicted value was 0.54%. In addition, the main properties of the experimental workpiece were tested. The results show that the constructed response surface function model has high precision, after the optimized parameters are used, the inner wall of pipe is deformed uniformly, the filling effect of pipe sleeve groove is good, and the performance of pipe connection joint is excellent.

基金项目：

河北省重点研发计划项目（19251019D）；2020年河北省重点研究项目（JMRH）；快速扶持项目（61400020112）

作者简介：王伟（1986-），男，博士，讲师 ,E-mail：18631175658@163.com;通信作者：张双杰（1966-），男，博士，教授 ,E-mail：zsjzlili@163.com

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