【英文标准名称】:StandardTestMethodforMeasuringtheForce-DisplacementofaMembraneSwitch
【原文标准名称】:测量薄膜开关的力位移的标准试验方法
【标准号】:ASTMF2592-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F01.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:force-displacementcurve;membraneswitch;sensitivity;switchtease;tactileratio;tactilerecoveryslope;tactileresponseslope;travel;Force-displacementcurve;Hysteresiscurve;Membraneswitches;Travel
【摘要】:Theforceanddisplacementvalueswhenconvertedtoaslopeareusefulinquantifyingthedifferencesintactileresponseamongmembraneswitches.Specifiedresistanceisusefultomanufacturersanduserswhendesigningmembraneswitchinterfacecircuitry.Actuationforceandcontactforceareusefultomanufacturersandusersindeterminingthesuitability,referenceandaestheticsofamembraneswitchinagivenapplication.Thetendencyofaswitchtomakeorbreakelectricalcontactatunexpectedmomentsduringclosureorreleasecanbeasignofapoordesign.Thedegreeofteasingcanrangefromasimpleannoyancetoafailureofcriticalcontrolprocess.Theamountofswitchsensitivityorteasingcanalsobearesultofpoorsurfaceconductivitythatwillpreventanelectricaleventevenwhenswitchpolesareinpartialcontact.1.1Thistestmethodcoversthemeasurementofforcedisplacementcharacteristicsofamembraneswitch.1.1.1ThistestmethodreplacesTestMethodF1570(TactileRatio).TactileResponseSlopebetterrepresentsthecharacterizationoftactilesensation,previouslycalledx201C;TactileRatiox201D;inTestMethodF1570.1.1.2ThistestmethodreplacesTestMethodF1682(Travel).1.1.3ThistestmethodreplacesTestMethodF1597(ActuationandContactForce).1.1.4ThistestmethodreplacesTestMethodF1997(SwitchSensitivity).1.2ForcedisplacementhysterisisloopcurvecanbeusedinthedeterminationofActuationForce,Displacement,ContactForce,ReturnForce,andTactileResponseSlope.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K31
【国际标准分类号】:29_120_40
【页数】:5P.;A4
【正文语种】:英语