某型飞机钛合金钣金件热冲压成形工艺参数优化
发布时间：2018-12-29 19:46
【摘要】：采用有限元法对某型飞机钛合金钣金件热冲压成形过程进行数值模拟,研究了成形温度、变形速度以及摩擦系数对成形零件壁厚分布的影响。通过正交试验方法建立了有限元模拟的正交试验组,采用极差分析法确定各因素的影响程度的主次关系,并得到最优的工艺参数水平组合。结果表明:成形温度对壁厚分布影响最大,最优工艺参数为成形温度为675℃、变形速度为1 mm·min~(-1)、摩擦系数为0.3。根据优化结果,对钛合金进行热冲压成形试验,实际成形效果与模拟结果较为吻合。
[Abstract]:The influence of forming temperature, deformation speed and friction coefficient on the wall thickness distribution of a certain aircraft titanium alloy sheet metal was studied by means of finite element method (FEM). The orthogonal test group of finite element simulation was established by orthogonal test method. The primary and secondary relationship of the influence degree of each factor was determined by the range analysis method, and the optimal level combination of process parameters was obtained. The results show that the forming temperature has the greatest influence on the wall thickness distribution. The optimum process parameters are forming temperature of 675 鈩，
本文编号：2395304
[Abstract]:The influence of forming temperature, deformation speed and friction coefficient on the wall thickness distribution of a certain aircraft titanium alloy sheet metal was studied by means of finite element method (FEM). The orthogonal test group of finite element simulation was established by orthogonal test method. The primary and secondary relationship of the influence degree of each factor was determined by the range analysis method, and the optimal level combination of process parameters was obtained. The results show that the forming temperature has the greatest influence on the wall thickness distribution. The optimum process parameters are forming temperature of 675 鈩，
本文编号：2395304
本文链接：https://www.wllwen.com/kejilunwen/jiagonggongyi/2395304.html
