SAE AS39029/74 Contacts, Electrical Connectors, Pin, Solder, Removable, Shielded, Size 12 (For MIL-DTL-83723 Series III,
作者:标准资料网 时间:2024-05-05 14:05:31 浏览:8449
来源:标准资料网
Product Code:SAE AS39029/74
Title:Contacts, Electrical Connectors, Pin, Solder, Removable, Shielded, Size 12 (For MIL-DTL-83723 Series III, MIL-DTL-26482 Series 2, MIL-DTL-83733 and MIL-DTL-83527 Connectors)
Issuing Committee:Ae-8c1 Connectors Committee
Scope:No scope available.
Product Code:SAE AMS7467
Title:Bolts And Screws, Corrosion And Heat Resistant Nickel Alloy Upsetheaded, Roll Threaed, Stress-Ruptur (Cancelled Jul 2002)
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:【英文标准名称】:StandardTestMethodforMeasuringtheSkidResistanceofPavementsandOtherTraffickedSurfacesUsingaContinuousReading,Fixed-SlipTechnique
【原文标准名称】:用连续读数固定防滑技术对道路和其他区域表面防滑测试的标准试验方法
【标准号】:ASTME2340-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:E17.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:brakingslipfriction;brakingslipratio;fixedslip;operationalfrictiontesting;routinefrictiontesting
【摘要】:CFMEsareusedtomeasureskidresistanceonrunways,roads,andvariousothertraffickedsurfaces.Thesetestsmaycompriseoperationaltesting,performedtoobtainanimmediateassessmentofskidresistanceincurrentconditionsorroutinetestinginstandardizedconditionswhichincludetheapplicationofapreciseamountofwaterinfrontofthetesttire.Standardtestspeedsandnominalwaterfilmthicknessesareaccordingtonationalorinternationalagencystandards,thetypeofCFME,andthetestapplication.SomeexamplesoftypicalapplicationsaregiveninAppendixX1.1.1Thistestmethodcoversthemeasurementoftheskidresistanceofapavementorothertraffickedsurfaceusingthecontinuousreading,fixed-sliptechnique.1.2Thistestmethodcoversbrakedwheelmeasurementsobtainedwithlessthan100%slip.Itdoesnotcoversideforcemeasurements.1.3Thistestmethodprovidesarecordoftheskidresistancealongthewholelengthofonetrackofthetestsurfaceandenablesaveragestobeobtainedforspecifiedtestsegments.1.4Thistestmethodisusedtomeasureskidresistanceonawidevarietyofsurfacesinawidevarietyofcircumstances.Consequently,therearemanydifferentdesignsofcontinuousreading,fixed-slipmeasuringequipment(CFME)andasmanydifferenttestproceduresgoverningtheiruse.1.5Thistestmethoddoesnotattempttodetailthesedifferentequipmentsandproceduresbutdoessetouttheessentialcommonprinciples.1.6CFMEsfunctionbycreatingandmeasuringafrictionalforcebetweenatesttireoperatingataselectedslipandthetestsurface.DifferenttypesofCFMEdonotnecessarilycreatethesamefrictionalforcebetweentheirparticulartesttireandacommontestsurfaceanddonotnecessarilyusethesamemethodtomeasurethisfrictionalforce.1.7CFMEmeasurementsareobtainedataselectedsteadytestspeed.Thisspeedmayvaryaccordingtotheapplication.1.8Thetestsurfacemaybecontaminatedorcleananddry.Ifitiscleananddry,ameasuredamountofwaterisnormallydepositedonthesurfacejustinfrontofthetestwheel.1.9Themeasuringapparatusmaybebuiltintoavehicle,builtintoatrailerthatistowedbyavehicle,orbuiltintoadevicethatismanuallypushed.1.10ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SafetyprecautionaryinformationiscontainedinSection7.
【中国标准分类号】:P66;Q20
【国际标准分类号】:93_080_20
【页数】:6P.;A4
【正文语种】:
