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工程设计学报
工程设计学报  2016, Vol. 23 Issue (6): 553-557    DOI: 10.3785/j.issn.1006-754X.2016.06.005
保质设计     
基于偏差调节法的蠕变时效成形回弹补偿研究
卓德志, 谢延敏, 熊文诚, 唐维, 黄仁勇
西南交通大学 机械工程学院先进设计与制造技术研究所, 四川 成都 610031
Research on springback compensation of creep age forming based on displacement adjustment method
ZHUO De-zhi, XIE Yan-min, XIONG Wen-cheng, TANG Wei, HUANG Ren-yong
Institute of Advanced Design and Manufacturing, School of Mechanical Engineering, Southwest Jiaotong University, Chengdu 610031, China
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摘要：

为解决蠕变时效成形后板料回弹较大的问题，基于偏差调节法，在不同补偿方向建立了考虑水平方向偏差的模具型面修正方案.利用ABAQUS软件建立了板料成形的有限元模型并对成形过程进行了模拟，并分别用偏差调节法和改进后的方法通过反复迭代对构件进行回弹补偿.结果表明，使用偏差调节法至少需要5次迭代才能使构件满足成形精度要求，而考虑水平偏差的方法仅需要3次，而且获得的构件的精度更高.研究表明考虑水平偏差的方法具有收敛速度快、成形精度高的特点.
关键词： 时效成形;  回弹;  模面修正;  补偿方向    
Abstract:

To solve the large springback problems of sheet after the creep age forming, based on the displacement adjustment (DA) method, the die surface adjustment methods which considered horizontal direction displacement in different compensation directions were proposed. The finite element model of sheet forming was established by using the software ABAQUS, and the forming processes were simulated. The processes of springback compensation were carried out separately by using the original displacement adjustment method and the improved ones. The results showed that the forming parts could meet the precision requirement with 5 times of iteration by using the original method, while only 3 times were needed by using the improved methods and forming parts reached a higher precision. The advantages of improved methods which are fast convergence rate and high precision are confirmed.
Key words: creep age forming    springback    die surface adjustment    compensation direction
收稿日期: 2016-02-24 出版日期: 2016-12-28
CLC:  TG146.21  
基金资助:

国家自然科学基金资助项目（51275431）.
通讯作者: 谢延敏(1975-),男,四川安岳人,副教授,硕士生导师,博士,从事先进塑性加工技术仿真和板料成形的稳健设计等研究,E-mail:xie_yanmin@swjtu.edu.cn.     E-mail: xie_yanmin@swjtu.edu.cn
作者简介: 卓德志(1991-),男,山东滕州人,硕士生,从事金属蠕变成形型面修正及回弹研究,E-mail:zhuodezhi@163.com.http://orcid.org//0000-0003-3248-7354
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引用本文:

卓德志, 谢延敏, 熊文诚, 唐维, 黄仁勇. 基于偏差调节法的蠕变时效成形回弹补偿研究[J]. 工程设计学报, 2016, 23(6): 553-557.

ZHUO De-zhi, XIE Yan-min, XIONG Wen-cheng, TANG Wei, HUANG Ren-yong. Research on springback compensation of creep age forming based on displacement adjustment method. Chinese Journal of Engineering Design, 2016, 23(6): 553-557.

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https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2016.06.005    或    https://www.zjujournals.com/gcsjxb/CN/Y2016/V23/I6/553

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