【英文标准名称】:StandardTestMethodforMeasuringGrooveandVoidDepthinPassengerCarTires
【原文标准名称】:乘用车轮胎中凹槽和孔隙深度测量的标准试验方法
【标准号】:ASTMF421-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:F09.30
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽车;空腔;深度;凹槽;私人汽车;测试;轮胎
【英文主题词】:depthgauge;groovedepth;irregularwear;treaddepth
【摘要】:Thegroove(void)depthaffectsthetirersquo;abilitytodeveloptractiveforcesonwetpavements,snow,andsoil,anditsabilitytoresisthydroplaning.Groove(void)depthalsodefinesthestateofwearofatireandisusedinthedeterminationoftherateofwear.1.1Thistestmethoddescribesstandardproceduresformeasuringthegrooveandvoiddepthinpassengercartires.1.2Anymechanical,optical,orelectronicdevicecapableofmeasuringgroove(void)depthcanbeused,butonlythecontactmethodologyisdescribedhere.Noncontactmethodologyisbeyondthescopeofthistestmethod.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G41
【国际标准分类号】:83_160_10
【页数】:4P.;A4
【正文语种】: