齿型辊辊型曲线对波纹轨腰钢轨轧制力的影响.pdfVIP

HotWorkingTechnology2014，Vo1．43，No．15

齿型辊辊型曲线对波纹轨腰钢轨轧制力的影响

马劲红，姚晓晗。陶彬

(河北联合大学冶金与能源学院，河北唐山063009)

摘要：波纹轨腰钢轨是一种特殊的钢轨结构。轧制波纹轨腰钢轨的水平辊由于其外形接近于直齿齿轮而被称为

齿型辊。齿型辊的辊型曲线对波纹轨腰的轧制成品质量、成形过程及轧制力均有较大的影响。设计了轧制波纹轨腰的齿

型辊辊型曲线，建立了波纹轨腰钢轨轧制的有限元模型，利用ANSYS／LS．DYNA软件模拟了波纹轨腰钢轨的轧制过

程。在相同压下量和轧制速度条件下．比较了波纹轨腰钢轨轧制时，实验用辊型曲线和设计辊型曲线轧制力的大小。根

据分析结果，设计辊型曲线的轧制力明显小于实验辊型曲线的轧制力。因此，优化辊型曲线从而减小轧制力是必要的。

关键词：波纹轨腰钢轨：齿‘型辊：辊型曲线：轧制力

中图分类号：TG335文献标识码：A文章编号：1001—3814(20115．0130．03

InfluenceofProfileCurveofTooth——shapedRolleronRollingForceof

CorrugatedWebRail

MAJinhong。YAOXiaohan．TAOBin

(MetallurgyandEnerygCollege，HebeiUnitedUniversity，Tangshan063009，China)

Abstract：Thecorrugatedwebrailisaspecialkindofrailstructure．Thehorizontalrollerofrollingthecorrugatedweb

railisnamedastooth·shapedrollerbecauseitsshapeisclosetostraighttoohtgear．Theprofilecurveoftooht-shapedroller

hasgreatinfluenceonhtefinishproductqualiyt，hterollingprocessandhterollingforceofthecorrugatedweb．Theprofile

curveoftooht-shapedrollerofrollingcorrugatedwebrailwasdesigned．FEmodelofrollingcorrugatedwebrailwas

esatblished．AndtherollingprocesswassimulatedbyhtesoftwareANSYS／LS-DYNA．Underhteconditionsofhtesame

reductionandthesamerollingspeed，hterollnigforcesbetweenexperimentprofilecurveandthedesingedprofilecurvewere

comparedinrollingcorrugatedwebrail．Accordnigtotheanalysisresults，therollingforceofthedesingedprofileCHIVeis

singificantlysmallerthanthatofexperimenatlprofilecl／rve．Therefore，itisnecessarytooptimizeprofilecurveofthe

tooth-shapedrollertodecreasetherollingforce．

Keywords：htecorrugatedwebrail；tooth-shapedroller；profilecurve；rollingforce

波纹轨腰钢轨是