铝箔清洗线卷取过程横向起皱与屈曲  

Transverse wrinkling and buckling of aluminum foil in coiling process of cleaning line

作　　者：于海军 何安瑞[1] 陈长科 王修亮 左小刚 YU Hai-jun;HE An-rui;CHEN Chang-ke;WANG Xiu-liang;ZUO Xiao-gang(National Engineering Research Center for Advanced Rolling Technology,University of Science and Technology Beijing,Beijing 100083,China;Xinjiang Zhonghe Co.,Ltd.,Urumchi 830013,China)

机构地区：[1]北京科技大学高效轧制国家工程研究中心,北京100083 [2]新疆众和股份有限公司,乌鲁木齐830013

出　　处：《中国有色金属学报》2021年第3期546-555,共10页The Chinese Journal of Nonferrous Metals

基　　金：国家自然科学基金资助项目(51674028);广西创新驱动发展专项资金项目(桂科AA17202008)。

摘　　要：铝箔在清洗线出口卷取过程中常出现明显的横向起皱现象,严重时导致铝箔横向屈曲并产生废料。为了掌握卷取过程铝箔横向起皱规律以及采用适当方法来改善卷取过程屈曲问题,根据清洗线出口卷取设备实际情况,采用ABAQUS有限元软件建立清洗线出口卷取过程动态仿真模型。针对当前存在的横向起皱和屈曲问题,利用该模型研究铝卷凸度、铝箔长宽比、铝箔厚度、卷取张力、铝箔屈服强度和铝箔初始板形缺陷对铝箔卷取过程横向起皱和屈曲的影响,得出各因素对铝箔横向起皱和屈曲的影响规律,预测铝箔发生屈曲的可能性。仿真得出的一系列结论为生产中卷取工艺的优化提供理论依据,可以更有效地控制铝箔横向起皱和屈曲现象,减少废料的产生。There are obvious transverse wrinkles in the aluminum foil coiling process at the exit of the cleaning line,which in serious cases causes transverse buckling flatness defect and a waste of aluminum foil.In order to grasp the wrinkling law of aluminum foil in the coiling process,and improve the aluminum foil flatness by taking appropriate measures,a dynamic simulation model was established based on the exit actual coiling equipment conditions of the cleaning line by the ABAQUS finite element software.Aiming at the current problems,the model was used to study the effects of aluminum coil crown,aluminum foil aspect ratio,aluminum foil thickness,coiling tension,aluminum foil yield strength and initial flatness defects on the aluminum foil transverse wrinkling and buckling in the coiling process.The influences of various factors on the transverse wrinkling and buckling of aluminum foil were obtained,and the prediction of the transverse buckling becomes possible.A series of conclusions obtained by the simulation provide a theoretical basis for the optimization of the coiling process in actual production,which can more effectively improve the aluminum foil flatness in the coiling process of the cleaning line and reduce the generation of waste.

关 键 词：铝箔 卷取 横向起皱 横向屈曲 有限元 

分 类 号：TG339[金属学及工艺—金属压力加工]