SAE AS150426 Nut - Hex, Check
时间:2024-05-12 03:42:32 来源: 标准资料网 作者：标准资料网 阅读：9543
Product Code:SAE AS150426
Title:Nut - Hex, Check
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.
【英文标准名称】:PracticeforSubmersionofaMembraneSwitch
【原文标准名称】:膜片开关的浸没规程
【标准号】:ASTMF1895-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:immersion;membraneswitch;submersion;waterimmersion;Immersion;Ingressresistance;Membraneswitches;Resistance;Submersion;Waterimmersiontesting
【摘要】:Thepresenceofwaterinsideamembraneswitchcanaffectitsmechanicaloperationorelectricalfunctionality,orboth.Electricalfailurecanresultasshortcircuitsduetosilvermigrationorexceedingthespecifiedresistanceduetooxidation.Thistestmethodestablishesaproceduretoverifytheabilityofamembraneswitchtoresisttheentryofliquidinitselforafinishedproduct,orboth.Itisusefulinidentifyingdesigndeficiencies.Submersiontestingmaybedestructive,thereforeanysamplestestedshouldbeconsideredunfitforfutureuse.1.1Thistestmethodestablishesproceduresforthesubmergingofamembraneswitchtoverifyresistancetoingressofaspecifiedliquid.1.2Thistestmethodcanalsobeusedtoverifytheabilityofamembraneswitchorgraphicslayertoactasaliquidsealforafinishedproduct.1.3Additionaltestmethodsorpracticescanbeincorporatedtoinvestigatespecificresultsorcapabilities.1.4ThistestmethodisamodificationofNationalElectricalManufacturersAssoc.(NEMA)Publication250-1991Section6.10,whichisatestforsubmersionofafinishedproducthousing.1.5Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:K31
【国际标准分类号】:31_220_20
【页数】:2P.;A4
【正文语种】:英语
【英文标准名称】:PracticetoIndicateDirectionofSprayfromaCanofConsumerSprayPaint
【原文标准名称】:家用喷漆罐喷射方向标示的规定
【标准号】:ASTMD3788-1989
【标准状态】:现行
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:罐;包装件;消费品;工艺;包装;气溶胶罐;测定
【英文主题词】:cans;packaging;packages;aerosolcans;determination;processes;consumergoods
【摘要】:
【中国标准分类号】:G82
【国际标准分类号】:55_020
【页数】:1P;A4
【正文语种】:英语