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1、铸造工程FoundryEngineering材料与工艺牵引杆座铸造工艺分析李剑波（中车大连机车车辆有限公司，辽宁大连116021）摘要：采用铸造模拟软件MAGMA对铸钢牵引杆座的原先的和新近的铸造工艺进行了模拟比较。分析了牵引杆座铸件在铸造过程中产生缩孔缩松缺陷的部位。针对原铸造工艺无法实现充分补缩的缺点，改进了牵引杆座的铸造工艺。结果，解决了由于缩松缺陷导致牵引杆座不致密的质量的问题。关键词：MAGMA软件；铸造工艺；模拟；优化中图分类号：TP319文献标识码：A文章编号：1673-3320（2017）04-0035-03AnalysisonCastingPro
2、cessforTractionLinkSeatLIJianbo(CRRCDalianCo.,Ltd.,Dalian116021,liaoningChina)Abstract:ThepreviousandrecentcastingprocessesforatractionlinkseatmadeofcastingsteelwerecomparedbyusingacastsoftwareMagma.Thelocationsinthetractionlinkseatcastings,wherebothshrinkagecavityandshrinkageporosity
3、willproduceduringthefounding,wereanalyzed.Inthelightofdisadvantagethatsufficientfeedingcannotbereachedbythepreviouscastingprocess,thecastingprocessforthetractionlinkseatwasimproved,and,asaresult,thequalityproblemthatunsoundtractionlinkseatisproduceduetoshrinkageporosityhasbeenremoved.Ke
4、ywords:Magmasoftware;castingprocess;simulation;optimization收稿日期：2017-06-12作者简介：李剑波（1982-），男，助理工程师，工艺师，主要从事铸造工艺技术及质量管理工作。(1acticacid)ternaryblendsbysimultaneousdynamicvul—can[7]THERYO,JINGF,PITERLM,etal.Toughpolylactidegraftizationandinterfacialcompatibilizati0n[J].Macromol-ecules,copo
5、lymer[J].Macromolecules,2010,43(18):7394-7397.2010,43(14):6058-6066.[8]HASSOUNAF,RAQUEZJ,ADDIEGOF,eta1.New[3]LIUH,SONGW,CHENF,eta1.Interactionofmicro-approachonthedevelopmentofplasticizedpolylactide(PLA):structureandinterfacialadhesiononimpactperformanceofGraftingofpoly(ethyleneglyco1
6、)(PEG)Vlareactiveextrusionpolylactide(PLA)ternaryblends[J].Macromolecules,2011,[J].EurPolymJ,2011,47(11):2134-2144.44:1513-1522.[9]HASSOUNAF,RAQUEZJ,ADDIEGOF,eta1.New[4]LJUNGBERGN,WESSLI~NB.Theeffectsofplasticizersondevelopmentonplasticizedpoly(1actide):Chemical-thedynamicmechanicalan
7、dthermalpropertiesofpolyingofcitrateonPLAbyreactiveextrusion[J].EurPolymJ,2012,(1acticacid)[J].JApplPolymSci,2002,86(5):1227-1234.48(2):404-415.[5]LJUNGBERGN,WESSL-NB.Tributylcitrateoligomersas[10]LJUNGBERGN,COLOMBINID,WESSLENB.Plastici-plasticizersforpoly(1acticacid):Thermo—mechanica
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