不同厚度3/4硬301型不锈钢带材双轴柔性滚弯成形性能研究  

Research on forming property of 3/4 hard type 301 stainless steel strip with different thickness by two-axle bending

作　　者：李佶[1] 黎向锋[1] 陈冠宇[1] 左敦稳[1] 孙业斌[1] 李敏[1] 朱长发[1] 

机构地区：[1]南京航空航天大学机电学院,南京210016

出　　处：《现代制造工程》2017年第2期87-92,共6页Modern Manufacturing Engineering

基　　金：南京航空航天大学2015年度研究生创新基地(实验室)开放基金资助项目(kfjj20150510);南京航空航天大学2015年度机电学院研究生开放基金资助项目(ykfjj2015010);中央高校基本科研业务费专项资助项目

摘　　要：利用3/4硬301型不锈钢带材制备直筒开缝衬套,研究不同厚度带材的双轴柔性滚弯成形性能。首先,通过拉伸实验以及文献中的性能参数,建立3/4硬301型不锈钢带材的本构模型,利用有限元分析软件ABAQUS对不同厚度带材在同一挤压量情况下的双轴柔性滚弯成形过程进行了仿真分析;其次,基于挤压量单因素试验对不同厚度带材的双轴柔性滚弯成形实验进行了研究,获得了一系列成形试样;最后,利用MATLAB拟合程序识别出实验及仿真结果的带材成形半径,获得了带材厚度对其双轴柔性滚弯成形性能的影响规律,且揭示了其影响机制。Based on the two-axle bending technique,the formability of 3/4 hard type 301 stainless steel strip with different thick- ness was researched. First, to establish the constitutive model of 3/4 hard type 301 stainless steel strip, its basic performance pa- rameters were obtained by using of the tensile test and related documentation, and the forming process of strips with different thickness in the same amount of extrusion by two-axle bending was simulated by using finite clement analysis software named ABAQUS. And then, followed by the two-axle bending experiments by using of different thickness strips, a series of samples were got. Last, MATLAB fitting procedure was used to identify forming radius of strips formed by the test and simulation, effect of strip thickness on its forming performance was discussed, the influence law of strip thickness on two-axle bending formability was ob- tained, and its influence mechanism was revealed.

关 键 词：开缝衬套 有限元模拟 双轴柔性滚弯 带材厚度 

分 类 号：TG306[金属学及工艺—金属压力加工]