车门外板分区变压边力充液拉深数值模拟研究.pdfVIP

HotWorkingTechnology2016，Vo1．45，No．23

车f-l~b板分区变压边力充液拉深数值模拟研究

刘晓晶，刘翠红’，王欣，万升祥，付金蕊

(1．哈尔滨理工大学材料科学与工程学院，黑龙江哈尔滨150040；2．哈尔滨固泰电子有限责任公司，黑龙江哈尔

滨150060、

摘要：采川允液深j分区变边力结合的新艺，应用软件Dynaofrm5．7对铝合金汽乍1|¨外扳的成形过程

进f了数值模拟研究J小液窜力曲线对年¨外板成形性能的影响，选取合理的边圈的分区方式及边力组

，j案‘模拟结果走口J】，心川t分变n{边力充液托深昕获得的零件，成形精度及厚度分布的均性部彳『大的提高．

减薄减小

关键词：充液扣深；边力；数值模拟：1¨外敞

DOI：10．141580．cnki．1001—3814．2016．23．041

中图分类号：TG386文献标识码：A文章编号：l0Ol一3814(2016)23—0146—04

NumericalSimulationStudyonDividedRegionVariableBlankHolderForce

ofAutomobileOutdoorinHydrodynamicDeepDrawing

LIUXiaojing，LIUCuihong，WANGXin’，WANShengxiang，FUJinrui

(1．SchoolofMaterialsScienceandEngineering，HarbinUniversityofScienceandTechnology，Ha~in150040，China；

2．HarbinGoodtimeElectronicsCo．，Ltd．，Harbin150060，China)

Abstract：Usinghydrodynamicdeepdrawingcombinedwithdividedregionvariableblank—holderofrcetheforming

，

processofthealuminumalloyautomotivedoorouterpanelwasnumericallysimulatedbyDnyaform5．7software．The

influencesofthedifferentliquidchamberpressurecurvesonthefomringpropertyoftheautomobileoutdoorwerestudied

．The

reasonabledividedmodeoftheblankholderandthecombiningformoftheblankholderforcewerechosen

．Thesimulation

resultsshowthat：fomringaccuracyandunifomrityofthicknessdistributionofthepansacquiredbyadoptingvariableblank

holderofrceinhydrodynamicdeepdrawinghavegreatlyimproved，andthethicknessthinningquantitydecre