圆筒件(H/D=0.5)渐进成形路径的参数化  

Parameterization of incremental forming path of cylindrical parts(H/D=0.5)

作　　者：金志浩 高锦张[1] 陆文婷[1] JIN Zhi-hao;GAO Jin-zhang;LU Wen-ting(Jingsu Key Laboratory of Advanced Metallic Materials,School of Materials Science and Engineering,Southeast University,Nanjing 211189,China)

机构地区：[1]东南大学材料科学与工程学院江苏省先进金属高技术研究研究重点实验室,江苏南京211189

出　　处：《塑性工程学报》2021年第11期42-49,共8页Journal of Plasticity Engineering

基　　金：先进数控技术江苏省高校重点建设实验室开放基金资助项目(KXJ05017)。

摘　　要：基于ANSYS/LS-DYNA平台建立金属板料外轮廓支撑渐进成形有限元模型,以高径比H/D=0.5圆筒件为研究对象,采用数值模拟和物理实验相结合的方法对圆筒件渐进成形路径进行了研究,成功设计出直径为Φ78 mm,高径比为0.5的圆筒件渐进成形路径,进而根据同一高径比(H/D=0.5)下,几个不同直径圆筒件路径相似性归纳出基准路径,把路径曲线看作函数曲线,建立路径变量和目标制件几何参数的关系,用参数化方程把路径表达出来,并进行实验验证。实验成功加工出高径比为0.5的不同直径圆筒件,同时测得制件壁厚值分布在理论范围之内,研究结果表明,此参数化路径在一定范围内是可行的。Based on ANSYS/LS-DYNA platform,the finite element model of sheet metal outer contour support incremental forming was established.Taking the cylinder with height diameter ratio H/D=0.5 as the research object,the incremental forming path of cylinder was studied by the combination of numerical simulation and physical experiment,and the incremental forming path of cylindrical parts with diameter ofΦ78 mm and height diameter ratio of 0.5 was disigned.The reference path was summarized according to the path similarity of several cylindrical parts with different diameters and the same height diameter ratio(H/D=0.5).The path curve was regarded as a function curve,the relationship between the path variable and the geometric parameters of the target part was established,and the path was expressed by a parametric equation and verified by experiments.Cylindrical parts with different diameters and height diameter ratio of 0.5 were fabricated successfully,and the wall thickness was distributed in theoretical range.The study results show that the parametric path is feasible in a certain range.

关 键 词：渐进成形 圆筒件 成形路径 参数化 

分 类 号：TG379.6[金属学及工艺—金属压力加工]