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异径辊筒开炼机横压力分析研究.docx

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异径辊筒开炼机横压力分析研究 Abstract Thecrosspressureoftheopenmillwithdifferentdiameterrollshasagreatinfluenceonthequalityoftherubberproduct.Thispaperanalyzesthefactorsaffectingthecrosspressureoftheopenmillandproposescorrespondingmeasures.Throughtheoreticalanalysisandexperimentalresearch,therelationshipbetweenthecrosspressureandtherolldiameter,theratioofrolldiameter,andthedistancebetweenrollsisstudied.Theresultsshowthatthelargertherolldiameterratio,thegreaterthecrosspressure.Theoptimaldistancebetweenrollsis1.5timesthesumofthetworolldiameters.Theresultsofthisstudyprovideatheoreticalbasisandtechnicalguidanceforimprovingthequalityofrubberproductsintheproductionprocess. Keywords:Openmill,differentdiameterrolls,crosspressure,rolldiameterratio,distancebetweenrolls. Introduction Theopenmillisanimportantrubberprocessingequipment.Itiswidelyusedintherubberindustryformixingandmasticatingrubbermaterials.Thequalityoftherubberproductiscloselyrelatedtothemixingeffectintheopenmill.Thecrosspressureoftheopenmillisoneoftheimportantfactorsaffectingthemixingeffect.Thecrosspressurereferstotheforceexertedbytherollsontherubbermaterialinthedirectionperpendiculartotherollingdirection.Ifthecrosspressureistoosmall,therubbermaterialcannotbeeffectivelymixedandmasticated.Ifthecrosspressureistoolarge,itwillcauserubberdeformation,easytoproducedefects,andaffectthequalityoftherubberproduct.Therefore,itisofgreatsignificancetostudythecrosspressureoftheopenmill. Theopenmillcanbedividedintotwotypesaccordingtothediameteroftherolls:same-diameterrollsanddifferent-diameterrolls.Thedifferent-diameterrollsopenmillhastheadvantagesoflargeoutput,lowenergyconsumption,andeasyoperation.Therolldiameterratioofthedifferent-diameterrollsopenmillisgenerallybetween1.5and1.7.However,thecrosspressureofthedifferent-diameterrollsopenmillismorecomplexthanthatofthesame-diameterrollsopenmill.Thecrosspressureisaffectedbymanyfactors,suchastherolldiameterratio,thedistancebetweenrolls,theanglebetweentherolls,andthefrictioncoefficientbetweenthero