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矩盒形件压边拉深工艺

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利用DYNAFORM 软件,对传统压边方式下矩盒形件拉深成形的皱曲、破裂临界值进行研究;提出“液体静压支撑柔性分区压边”概念,并利用CFX+ANSYS进行流固耦合分析;借助DYNAFORM 软件获取成形件最小厚度数据,进行均匀实验设计,确定几何特征+变形特点分区下长直边区压边力 F1、圆角区压边力 F2、短直边区压边力 F3之间的最优组合;在分区压边拉深试验系统上进行拉深实验,采用CL超声波测厚仪测量成形件厚度值,并与模拟结果进行对比,综合评估成形结果。
Research on stamping of rectangular box using binder
Firstly ,this paper studied the critical values of the rectangular box’s wrinkling and fracture when using the traditional binder .Secondly ,the concept of binder with hydrostatic support and flexible segmented was put forward ,and the software of CFX+ANSYS was used to conduct the fluid structure coupling analysis . Thirdiy ,the orthogonal tests were carried out through DYNAFORM to obtain the minimum thickness data ,and the optimal combination was achieved between F1 , F2 and F3 .The symbols of F1 , F2 and F3 represent the forces of the long flange ,circular corner and short flange ,respectively .Lastly ,the stam-ping experiments were carried out on the stamping experiment system and the results were compared with the those gained by the software of DYNAFORM .

partitionhydrostatic supportflexible partitionorthogonal testoptimal combination

高贵杰、雷君相

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上海理工大学 机械工程学院,上海 200093

上海理工大学 材料科学与工程学院,上海 200093

分区 静压支撑 柔性分区 均匀实验 最优组合

2014

塑性工程学报
中国机械工程学会

塑性工程学报

CSTPCDCSCD北大核心
影响因子:0.46
ISSN:1007-2012
年,卷(期):2014.(5)
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