資源描述:
《氣門油封的評價》由會員上傳分享,免費在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、氣門油封的評價(試驗)設(shè)備及評價(試驗)條件Theevaluationofvalveseal’stestequipmentanditscondition一、電腦硫化測試儀(GT-M2000)Computervulcanizationtester(GT-M2000)用途:用于分析、測定橡膠硫化過程的焦燒時間、正硫化時間、硫化速率、粘彈性模量以及硫化平坦期等性能指標。Application:intherubbervulcanization,usetoanalysisandtestsomepropertiessuch
2、asScorchtime,Vulcanizationtime,Curerate,viscoelasticmodulus,Curingperiodflatandsoon.原理:測定膠料在硫化過程中剪切模量的變化,而剪切模量與交聯(lián)密度成正比,因此測定結(jié)果反映了膠料在硫化過程中交聯(lián)程度的變化,可以測出膠料初始黏度、焦燒時間、硫化速度、正硫化時間和過硫返原性等重要參數(shù)。Principle:intherubbervulcanization,determinethechangeofshearmodulus;accordin
3、gtoshearmodulusandcrosslinkingdensityhaveproportionalrelationship,sotestresultcanreflectthechangeofcrosslinkingdensityofvulcanization.Wecaneasilygetsomemainlyparametersuchasinitialviscosity,scorchtime,curerate,vulcanizationtimeandreversionofvulcanization.執(zhí)行標
4、準:GB/T16584-1996Executestandard:GB/T16584-1996系統(tǒng)參數(shù)Systemparameter:A.測溫范圍:0℃-200℃Temperaturerange:0℃-200℃B.測溫精度:≤±0.3℃Temperatureprecision:±0.3℃C.控溫精度:≤±0.3℃Preciosityoftemperaturecontrol:±0.3℃D.溫度分辨率:0.1℃Temperaturedistinguishability:0.1℃E.力矩量程:0-10N.m0-20N.
5、mMomentspan:0to10N.m0to20N.mF.力矩解析度:0.001N.mMomentresolution:0.001N.mG.模腔頻率:1.7HzDiecavityfrequency:1.7HzH.振幅:±0.5o±1oAmplitude:±0.5o±1oI.環(huán)境溫度:0-35℃相對濕度<80%Environmentaltemperature:0to35℃J.硫化時間設(shè)定范圍:2-300minCuretimesettingrange:2to300minK.配氣:0.5MPaAirdistribu
6、ting:0.5MPaL.電源:交流220V800WPower:AC220V800W二、A型邵氏硬度計(XY-1)ShoreAhardness(XY-1)用途:應(yīng)用于中低硬度塑料、各類橡膠、多元脂、皮革、蠟等的硬度測試。Application:applytotestthehardnessofmiddle-lowhardnessplastic,rubber,multiplelipid,leatherandwax.原理:在試驗力作用下垂直壓入試樣表面,當(dāng)壓足表面與試樣表面完全貼合時,壓針尖端面相對壓足平面有一定的伸
7、出長度L,以L值的大小來表征邵氏硬度的大小,L值越大,表示邵爾硬度越低,反之越高。Principle:inthetest,verticalpressuretothesamplesurface,whenthecontactfootandsamplesurfacecompletelyjoint,contacttiphasacertainextensionlengthLrelativetocontactfoot.SouseLcalculationtheshorehardness,ifLisgreaterthatthe
8、lowerShorehardness,whereasthehigher.計算公式為:HA=100-L/0.025Calculationformula:HA=100-L/0.025執(zhí)行標準:GB/T531.1-2008Executestandard:GB/T531.1-2008技術(shù)參數(shù):Technicalparameters:型號:LX-A邵氏硬度計Model:LX-Ashorehard