旋转防护栏教材

safetyrailingsWiththecontinousdevelopmentofsocialeconomy,everyoneisdeeplyawareofthesafetyoflifeandpropertyisessential,safetyfirst!Therefore,wecanseetheexistenceofsafetyrailingseverywhere,itsexistencereducealotofbadthingsforourhumanbeingsandnature.目录Stainlesssteelrailings1Wroughtironguardrail2Rotatingrailings3Otherrailings4Becauseofitslightweight,lowpriceiswidelyusedinthefamilybalcony,stair,window,aisle,andurbanroaddiversion,etc.Stainlesssteelrailings不锈钢常按构造状况分为：马氏体钢、铁素体钢、奥氏体钢、奥氏体-铁素体（双相）不锈钢及积淀软化不锈钢等。别的，可按成份分为：铬不锈钢、铬镍不锈钢和铬锰氮不锈钢等Stainlesssteelisoftendividedintostructuralconditions:martensiticsteel,ferriticsteel,austeniticsteel,austeniteferrite(dualphase)stainlesssteelandtheaccumulationofstainlesssteelandsoon.Inaddition,thecomponentscanbedividedinto:chromiumstainlesssteel,chromiumnickelstainlesssteelandchromiummanganesenitrogenstainlesssteel,etc..Loremipsumdolorsitamet,consecteturadipisicingelit.LOREMIPSUMDOLOR1.Ferriticstainlesssteel:containingchromium12%~30%.Itscorrosionresistance,toughnessandweldabilitywithchromiumcontentofgrowthandprogresscan,resistancetochlorideshouldstresscorrosionperformanceisbetterthantheothervarietiesofstainlesssteel1.铁素体不锈钢：含铬12%～30%。其耐蚀性、韧性和可焊性随含铬量的增长而进步，耐氯化物应力腐化机能优于其余品种不锈钢2.奥氏体不锈钢：含铬大于18%，还含有8%左右的镍及少许钼、钛、氮等元素。综合机能好，可耐多种介质腐化2.Austeniticstainlesssteel:morethan18%chromium,italsocontains8%nickelandmolybdenum,atitanium,nitrogenandotherelements.Comprehensiveperformanceisgood,canwithstandavarietyofmedia.3.AUSTENITICFERRITICduplexstainlesssteel:bothausteniticandferriticstainlesssteel,andhastheadvantagesof.Austeniteandferritestructureeachabouthalfofthestainlesssteel3.奥氏体-铁素体双相不锈钢：兼有奥氏体和铁素体不锈钢的长处，并具备超塑性。奥氏体和铁素体构造各约占一半的不锈钢4.马氏体不锈钢：强度高，但塑性和可焊性较差。马氏体不锈钢因含碳较高，故具备较高的强度、硬度和耐磨性，但耐蚀性稍差，用于力学机能请求较高、耐蚀机能请求一般的一些整机上，如弹簧、汽轮机叶片、水压机阀等。这种钢是在淬火、回火处置后使用的4.Martensiticstainlesssteel:highstrength,butpoorplasticityandpoor.Martensiticstainlesssteelbecauseofthehighercarboncontent,soithashighstrength,hardnessandwearresistance,butaslightlypoorcorrosionresistanceandmechanicalfunctionforhigherrequest,corrosion-resistantfunctionrequestgeneralsomemachine,suchasspring,bladesofsteamturbine,hydraulicvalve.Thiskindofsteelisusedinquenchingandtemperingafterdisposal.5.积淀软化不锈钢：基体为奥氏体或马氏体构造，积淀软化不锈钢的经常使用商标有04Cr13Ni8Mo2Al等。其能经由过程积淀软化（又称时效软化）处置使其硬（强）化的不锈钢。5.Accumulationofsofteningstainlesssteel:matrixforthestructureoftheausteniteormartensite,theaccumulationoftheoftenusedtosoftenthestainlesssteel04Cr13Ni8Mo2Alandsoon.Itcanbeaccumulatedthroughtheprocessofsoftening(alsoknownasagingsoftening)todealwithitshard(strong)ofstainlesssteel.AvarietyofstainlesssteelrailsSurfacedecorationHigh-grade,wroughtironguardrailsurfacedecorativeeffectpaintcolorful,mostlyimportedpaintahand-painted,issimple,elegant,fashion,thetrend.Themostclassicsurfacedecorativeeffectwithgreenbronze,redbronze,bronze,gold,copper,platinum,goldedgePhnomPenhside.Wroughtironguardrail高档铁艺护栏表面的装饰效果漆丰富多彩，大都是采用进口油漆手绘而成，既古朴、典雅，又时尚、潮流。最为经典的表面装饰效果有青古铜色、红古铜色、古铜金、黑金边、铜金边、白金边等表面装饰Opensthematerial,forgingplay,bendflowers,assemblywelding,grinding,hotdipgalvanizing,throwinglight,spraypainting,bakingpaint,surfacedecorationpaint,spraytransparentpaint,packaging,wroughtironguardrailantirusttreatmentandantirustprocesstechnologicalprocess开料→锻打→弯花→焊接组装→打磨→热浸镀锌→抛光→喷漆→烤漆→表面装饰效果漆→喷透明漆→包装铁艺护栏的防锈处理及防锈工艺流程目前铁艺护栏最有效、最实用的防锈方法是热浸镀锌Antirustmethodofwroughtironfencethemosteffectiveandpracticaliscurrentlyhot

dipgalvanizingHotdipgalvanizingprocess1,picklingbeforeinspectionandtreatment2,skim(alkalinewash)3,washing4,pickling5,afterthepicklingcheckprocessing6,washing7,onthehelpplatingagent8,drying9,hotdipgalvanizing10,passivation11,cooling12,finishing13,inspection1、酸洗前检查处理2、脱脂（碱洗）3、水洗4、酸洗5、酸洗后检查处理6、水洗7、上助镀剂8、烘干9、热浸锌10、钝化11、冷却12、精整13、检验Wroughtironguardrailfeatures1,strong,durable,reliableconnection,structuralgood.2,naturalbeauty:thick,simple,clear.3,strongplasticity,accordingtocustomerrequirements,wroughtironguardrailcreatevarioussizesandstyles.4,theinstallationissimple,notlimitedbytheterrain,suitableforlargearea.5,thepriceismoreaffordable.Featuresandclassification1、坚固、耐用、连接牢靠、结构性好。2、自然美感：厚重、古朴、明朗。3、可塑性极强，可根据客户要求，打造各种规格和款式的铁艺护栏。4、安装简便，不受地形起伏限制，适合大面积采用。5、价格比较实惠Accordingtoclassifythefunctionofuse,wroughtironguardrail:ironbalconyrailing,ironstaircaseguardrail,airconditioning,wroughtironguardrail,wroughtironfencefence,ironanti-theftguardrail.Classificationaccordingtotheprocess,wroughtironguardrail:wroughtironguardrail,casting,wroughtironguardrail,welding,wroughtironguardrail,wroughtironguardrailassembly.Wroughtironguardrailclassification按铁艺护栏的功能用途分类：有铁艺阳台护栏、铁艺楼梯护栏、铁艺空调护栏、铁艺外围墙护栏、铁艺防盗护栏等。按铁艺护栏的工艺分类：有锻造铁艺护栏、铸造铁艺护栏、焊接铁艺护栏、组装铁艺护栏等。Accordingtotheclassificationofwroughtironfencestyle:Europeanstylewroughtironrailings,wroughtironguardrail.Accordingtothepracticalclassificationofiron:householdadornment,wroughtiron,engineeringconstruction,wroughtiron,thesortstatuewroughtiron,ironhandicrafts,fence,wroughtiron,etc..Accordingtotheclassificationofironproducts:generallycanbedividedintoindoorandoutdoorproducts按铁艺护栏的风格分类：有欧式铁艺护栏、中式铁艺护栏等。

按铁艺的实用性分类：家用装饰铁艺、工程建筑铁艺、雕像类铁艺、铁艺工艺品、围栏式铁艺等。

按铁艺产品分类：一般可分为户内产品和户外产品。保养方法1.避免磕碰。2.要定期除尘。3.要注意防潮。4.远离酸碱5.消除锈迹Maintenancemethod

1avoidthebump.

2regulardustremoval.

3shouldpayattentiontomoisture.

4stayawayfromacidandalkali

5removerustIntroduction:Antiimpactrotaryprotectivefenceisa"revolution"onthehighspeedrail".Atpresent,theuseofalotoftrafficaccidentmortalityratedecreasedbymorethan90%.ProductsintheMinistryofcommunicationsroadtestsitethroughthesmallcarandlargetruckcrashtestandgetasuccess,thetestresultsreachedtheSB,SBmlevelofthetechnicalstandardsforthelevelofbarrier.Canbelievethatinthenearfuture,"rotatingbarrelbarrier"willbecomeChina'sexpresswayandordinaryroadauniquesceneryline.Itwillalsochangetheguardrail50yearsofhistory,bringanewconceptoftrafficdoor,createanewtypeofroadenvironment,makefudescendantslifeengineeringRotatingrailing抗冲击旋转式防护栏是高速护栏上的一场“革命”。目前，该产品已获得22项发明专利，在韩国、日本、美国等国家被广泛使用，使用地段的交通事故死亡率降低90%以上。本产品在交通部公路试验场通过小型车和大货车的碰撞试验并获得了成功，试验结果达到了SB、SBm级护栏防撞等级技术标准。可以相信在不久的将来，“旋转桶护栏”必将成为我国高速公路及普通道路上一道独特的风景线，它也将改变护栏50年的历史，带来一种全新的交通防护理念，创造一种新式的道路环境，成为造福子孙后代的生命工程。1.Materialpreparation2.Granulation3.extrusionmolding4.CellularfoamingA,androtatingtypeanti-hitguardrailproductionprocess(materialpreparation-madegrain-squeezeplasticforming-micro-holesentbubble)(a)rotatingbarrelsrawmaterialspreparationandthemadegrainprocessmanufacturingrotatingbarrelsofrawmaterialsistoEVA(vinyl-acetatevinylestercopolymerreal)mainlymaterial,addedPE(polyethylene)andtherelatedchemicaladditives,17speciesaccessories,inmusttemperatureandthepressureXia,hasafterkneadingmachine→mixedrefining→extrusion→cutting→dehydrationdried,processmadeofspecialsmallparticles.Smallparticlesmustbesavedinadryenvironment,andusedupallwithin7days.technologicalprocessEVAandothermaterialsafterblendingparticlesGranulationsystemequipmentLoremipsumdolorsitametRotatingbarrelmaterialperformancePhysicalpropertiesofapparentdensity≥125kg/m3Highflexibility,excellentresistanceEnvironmentalstresscrackingMechanicalpropertiesoftensilestrength7-30MPaElongationatbreak200--990%Reboundrate≥72%Rockwell1Temperatureresistanceductile/brittletemperature-69°CMinimumcontinuousoperatingtemperature-60°CMaximumcontinuousoperatingtemperature70°CByinjectionmoldingmachineintothemoldrawmaterialparticlesafterthemeltwithinapredeterminedtimeperiodwhen,atacertaintemperatureandpressureconditions,controllingcertainamountoffeedinjectionmoldedintoapre-designedsample.Injectionmoldingprocess(Preparationofsample)LoremipsumdolorsitametinjectionmoldingmachineThetwopiecesofthesameshapesampleinjectionintothefoamingmachine,inprecisetemperatureandpressureconditions,throughphysicalandchemicalreactionof50-55minutesremovedhavebeenfusedintooneoftherotatingbarrelandimmediatelyputpredictionofPVCplasticsleevesintothecavityoftherotarybarrel,thebarreltorotateslowlyintoacylindershaped.(thebesttemperature,pressure,timethreemainparametersobtainedbyorthogonaltest,suchasthethreeparameterscannotbecoordinated,thebucketwillnotbeacylindertype)FoamingprocessLoremipsumdolorsitametLOREMIPSUMLoremipsumdolorsitametLOREMIPSUMAccordingtotheanalysisofthestressprocessoftheprotectivemechanism,thefollowingprotectionfeaturescanbesummedup.FeatureA:inthecourseofcollision,therotationoftherotatingbarrelcanquicklyreducetheincidentangleoftherunawayvehicle,andthenreducethelateralpressurebetweenthevehicleandtherotarydrumN.FeaturesB:theelasticmaterialoftherotarydrumcanbebufferedtothevehicle'slateraldecelerationprocess.CharacteristicC:thelongitudinalforcebetweentherunawayvehicleandtherotarydrumistherollingfrictionforce,whichismuchsmallerthantheslidingfrictionbetweenthetraditionalguardrailandtheoutofcontrolvehicle.typicalfeaturesofsafetyperformance安全性能典型特征根据上述防护机理受力过程分析，可总结出如下防护特征。特征A：碰撞过程中，旋转桶的