简介：乐来公司已有五十年历史,主要生产各种规格的铜管铝(铜)翅片冷风机和风冷冷凝器,产品外型美观,质量全球首屈一指。采用乐来冷风机贮存食品,可大大降低贮存食品干耗,具有同类产品所不具备的许多优点,因而深受国际、国内客户喜爱。中国一些重要大型项目,如上海血浆库,大型冰淇淋机和各中小型冷库已开始广泛使用乐来冷风机、乐

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简介：Accordingtoelasticcontacttheory,contactmodelbetweenrollerandraceisestablished.ComparedwiththeHertzresults,theresultsareproved,basedonwhichcontactstressdistributionofdifferentcrowningandinitialcontactlengthisgiven,thentheappropriatevalueisderived.Onthebasis,inertiaforceanddifferentradialforceisgivenintoconsideration.Viaanalysis,itconcludesthatunderbalancedpureradialloadconditionthelargestcontactstressbetweenrollerandraceincreasesalongwithcrowningvalueincreasing.Withthesamecrowningvalue,thelargestcontactstressbetweenrollerandracedecreasesinthefirstandincreasesattheendalongwithinitialcontactlengthincreasing.Contactstressbetweenrollerandouterraceincreasesalongwithrevolutionspeedincreasing.

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简介：为鉴别在压缩压路机的水泥(RCC)的滚动的层自动地建水坝的一个计划被介绍。首先，一个概念的模型被开发。由使用一个计算几何学方法，第二，卷在卷压缩之间匹配的层和汽车的汽车鉴定用机器制造并且滚动的层基于空间控制点被认识到。到GuandiRCC水坝的构造的一个应用程序证明卷层的汽车鉴定在保证设计质量起了一个重要作用。

简介：Byaccuratelymeasuringthedisplacementbetweentherollersurfaceandtheopticalfiberproberelativetoanullposition,wecantesttherollerwear.Thewholetestingmethodandsystemwereintroduced.Eachpartofthetestingsystemwasillustrated.Andalsoanovelfiber-opticsensorwiththreeprobesinequaltransversespaceisadopted.Usingthissensor,theeffectsoffluctuationsinthelightsource,reflectivitychangingoftargetsurfaceandtheintensitylossesinthefiberlinesareautomaticallycompensated.Thismethodofferssuchadvantagesasnon-contact,noelectromagneticinterference,simplicity,lowcost,highsensitivity,goodaccuracyandstability.

简介：在房间温度的第一次干燥的压路机颤动milling被用来准备活跃的碳(交流)nano粒子并且作为电极材料搽粉修改MnO2。在30min交流是到有增加的crystallinity和更高特定的表面区域的3050nm的一种吝啬的粒子尺寸的milled，主要mesoporous并且与改进毛孔直径分发。然后，交流nano粒子与MnO2被合并或做铋的MnO2nano粒子由solgel方法综合了为学习他们的电气化学的表演准备nano合成的电极材料。交流nano粒子与做铋的MnO2nano粒子被发现与增加电流与特定的电容拥有优秀电气化学的性质直到308F/g并且没有明显的变细的10wt.%结合了。我们的方法似乎打开一个新方法改进基于的电极材料为象超级电容器那样的干净精力使用了的交流。

简介：为了满足宽钢的高精确要求，在工业地里脱衣，压路机侧面的新奇联机大小基于声音的循环和脉搏回响技术被介绍。各种影响压路机的精确性的因素介绍联机测量详细被分析，系统的错误赔偿分析因此被介绍。为了减少，认为错误，地程序门数组(FPGA)被介绍，一个高精确数据获得系统基于数字阶段移动技术被设计。实验显示措施数据的标准差是7.27μm，它显示出建议方法的可行性和有效性，并且与高精确认识到转动侧面测量。

简介：Themillrollerbeatingismadeupofaninternalring,middlerollsandanexternalring,theanalysisofwhiehisamulti-bodiescontactproblem.Inthispaper,basedonthethree-dimensionalelasticcontactBEMwithoutfriction,andusingthestructuralcharacteristicsofrollerbearings,middlerollsarede-scribedbyelasticplateunitsofdifferentshapes,whichisplacedontheinternalring.Thediscontinuoustractionproblemofthecontactelementcanbedealtwithbythetractionsub-elementmethod.Thereforethecontactproblemcanbechangedfroinoneofmulti-bodiestooneoftwo-bodies.Asanelasticdeformationoftheplateelement,itcanbecalculatedbyanelasticcontactformulaandisregardedananequivalentgaptobeputintothetotalmatrixequality.Theface-to-facecontactconditionofdisplacementandtractionontheelementwillnerveastheconvergencejudgingcondition.Soconvergencesolutioncanbeobtainedbeforeanygeometryinconsistentonthecontactelementmaytakeplace.Therefore,thethree-dimensionaldistributionofloadofthemillrollerbearingcanbeachieved,Ithasbeenprovedthatthecalculatingmodelofthismethodisvisualizedandsimple,haslastconvergencesolutionandhigheraccuracy,makingitaneffectivenumericalmethodofdesigningandanalyzingloadcharacteristicsofthemillrollerbearing.

简介：Theentirerollerinlayedblockintelligencecoldstripshapemeterisdevelopedsuccessfullyinthispaper,whichcanstablyworkchronicallyinthecoldrollingworkshop,theindependentinnovationofthekeytechnologyofcoldstripshapemeasuring,theforeigntechnicalmonopolyandblockadearebrokenthrough.Thestructuralformwhichisdifferentfromtheinternationalpopularsegmenteddetectionrollerisputforward,theentiredetectionrollerinlayedblockisdeveloped,agroupofelasticblocksinthatthesenseorgansareinstalledareinlayedintheradialsymmetryrectangulargroovesofthedetectionrollerbody,theentirerollerstructureiscomposedofelasticpiecesandtherollerbody,thescratchofthestripsurfaceduetodifferentthermalexpansionofthetraditionaldetectionrollermeasuringunitisavoidedeffectively.Thesignaltransmissionformwhichisdifferentformtheinternationalpopulardryslipringisputforward,thespraywetslipringisdeveloped,slipringanddetectionrollercanbetakendownandinstalledaspossiblyasfast,sothemaintainisconvenient,whilethroughthesectionauto-spraycleaning,lubricationandcooling,theservicelifeisremarkableimprovedandtheoutsideinterferencesignalisreduced.Thesignalprocessingformwhichisdifferentformtheinternationalpopulargatheringcardisputforward,theembeddedDSPshapesignalprocessinghardwaresystemisdeveloped,theelectromagnet,temperature,humidityandvibration’sinterferenceofindustrypracticetoshapetransmissionsignalcanbeeffectivelyavoided,whichcanguaranteetheinstantaneityandmeasuredprecisionofshapemeasuredsignal.Theshapesignalprocessingsoftwaresystemwhosefunctioncontainserrorcompensation,patternrecognition,establishmentofthetargetshapeandtheclosed-loopcontrolcalculationisbuilt,theshapemeter’computerhumaninteractionisfriendly,andfunctionofshapemeterisstrong,atthesametimetheintellectualizedleveloftheshapemeterisimproved.Now,thi

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简介：Cold-rolledhighstrengthsteelsheetsforautomobilescontainmoreMnandSibasedalloyelements,which,underthereducingatmosphereintheannealingfurnace,willgetenrichedonthestripsurface.Sincethefurnacerollersandthestripscontactfrequently,alloyelementsontherollersurfacewillformhardprotuberance.Wecallthisprotuberance"pick-up".Inaddition,withtheincreaseoftheamountofdustinthefurnaceatmosphere,theoccurrenceoffurnacerollerpick-upwillalsoincrease.Throughchemicalreactionandphysicalaccumulationanalysiscombinedwithpracticalexperience,thecausesofpick-upindifferentfurnacesectionswereanalyzed.Methodsofpreventingfurnacerollerpick-upinthehighstrengthsteelsheetprocessinglinewerediscussedandsolutionstoimprovingthestripsurfacequalityinthecontinousannealingfurnacewereprovided.