MakingmeasurementofvariousstiffnesspossibleDurometer(rubber/plastichardnessmeasurement)?Whenthebaseofdurometerandworkarecoheredeachother,addedpressurecausedbyspringinsidedurometerindentationchangesshapeofworkandworkmakespoweragainstthispower.?Pressedvolumeofpressedindentationareindicatedasstiffnesswhenthisaddedpressureandoppositionpowerareinequivalent.?Thereasonwhytherearevariouskindsofdurometer,itisforthepurposeofmeasuringspongythinglikespongeandhardthinglikeplasticbycombiningspringpowerofstrongandweakandshapeofpressedindentation(sharppointedorround).MeasurementexampleThebasisofmeasurementofhardnesswithdurometeristhatpressedplate(indentationplate)ofdurometerheldwithbothhandsisverticallypressedfromthetopinafixedvelocityontheflatplateoftestedmaterialsetonaflattableandimmediatelyafterthat,indicatedmaximumfigureisread.Thatfigureshows hardness .Basicconditionformeasurementasstandardisruledincommonwithasbelow.1.Astomeasuringposition,itistobeinsidefromtheedgeoftestedmaterialby12mmandabove.Thedistanceistobeawayby6mmandabove.2.Thicknessoftestedmaterialisnormally6mmandabove.TypeEis10mmandabove.3.Hardnessistobethemiddleof5pointsoritsaverage.4.Incasemeasuredresultis50 byTypeA, A50 isindicated.5.Testcondition:temperature23+-2humidity50+-5%.■SelectionofmodelofdurometerTherearedifferentvarioustypesfordurometerregardingspringpower,dimensionandshapeofosibari.Thisisaccordingtoeachcountry sstandardforthepurposeofindicatingdegreeofhardnessandsoftnesswithhighersensitivityagainstcharacteristicoftestmaterialofdifferentsurface.TECLOCKdurometerisinaccordancewitheachcountry sstandardandhascompletedline-upsuitingtowiderangeofmaterialsincludingoriginalproducts.EachdurometersuchasTypeA.D.E.inaccordancewithphysicaltestmethodof vulcanizationrubberandheatplasticityrubber JISK6253(newJIS)ruledforthepurposeofISO.Pleaserefertotherightchartandselectthemostsuitablemodel.硬度型号方式用途测定子形状AGS-719N标准型最受欢迎的,主要用来测量一般硬质的橡胶前端直径为0.79,35 高2.50mmGS-719G置针型GSD-719H数显式GS-719L脚长型GSD-709L数显型GS-709N标准型GS-719G置针型DGS-720N标准型用于硬质先端R0.1,35 高2.50mmGS-720G置针型GS-720H深孔型GSD-720H数显式GS-720L脚长型GSD-720L脚长型GS-702N标准型GS-702G置针型EGS-721N标准型用于较软质半径2.50mm半球形高2.50mmGS-702G置针型GSD-721数显型SRISGS-701N标准型直径5.08用于软质半径2.54mm半球形高2.54GS-701N置针型GS-701数显型(旧)AGS-706N标准型普通型先端直径0.79,35 高2.5mm半径2.50半球形高2.5mmGS-706G置针型GSD-706数显型(旧)CGS-703N标准型GS-703G置针型E2GS-743G置针型软质半径2.50半球形GSD-743数显型F0GS-744G置针型软质泡沫体用直径25.2高2.5mmGSD-744数显型BGS-750G置针型半硬质用先端直径0.1,35 GSD-750数显型CGS-751G置针型硬质用先端直径0.79,35 高2.5mmGSD-751数显型DOGS-752G置针型软质用先端半径1.19,半球形高2.5mmGSD-752数显型OGS-753G置针型GSD-753数显型OOGS-754G置针型GSD-754数显型Gisavailablefor(tisin)nightlinetypeofendletterNOnly(tisin)nightlinetypeisavailablefortypeofendletterG