SAE J1472 Braking Performance - Rollers
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来源:标准资料网
Product Code:SAE J1472
Title:Braking Performance - Rollers
Issuing Committee:Optc2, Braking
Scope:This SAE Standard specifies brake system performance and test criteria to enable uniform evaluation of the braking capability of self-propelled, ride-on vibratory steel wheel, static steel wheel, and rubber-tire roller compactors with maximum level surface machine speeds of 25 km/h or less. Service, secondary, and parking brakes are included. Machines with maximum level surface machine speeds greater than 25 km/h shall conform to the requirements of SAE J/ISO 3450.
【英文标准名称】:Thermoplasticspipes-Determinationofresistancetoexternalblows-Round-the-clockmethod
【原文标准名称】:热塑性塑料管耐外冲击性的测定时针旋转法
【标准号】:ISO3127-1994
【标准状态】:现行
【国别】:国际
【发布日期】:1994-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:热塑性聚合物;抗冲击(强度);塑料管;管道;冲击试验;试验设备;试验
【英文主题词】:Impactresistance;Impacttests;Pipelines;Plasticpipes;Testequipment;Testing;Thermoplasticpolymers
【摘要】:Cancelsandreplacesthefirstedition(1980).Specifiesamethodforthedeterminationoftheresistancetoexternalblowsofthermoplasticspipesofcircularcross-section(round-the-clockmethod).Thismethodisapplicabletoisolatedbatchesofpipetestedat0鳦.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:11P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticesforSimulatedServiceTestingforCorrosionofMetallicContainmentMaterialsforUseWithHeat-TransferFluidsinSolarHeatingandCoolingSystems
【原文标准名称】:太阳能加热和制冷系统中用传热液体的金属容器材料的腐蚀模拟维护试验
【标准号】:ASTME745-1980(2003)
【标准状态】:现行
【国别】:
【发布日期】:1980
【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】:E44.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:试验;太阳能加热;腐蚀;热传递;太阳能;金属;冷却系统;材料
【英文主题词】:corrosion;fieldexposure;heattransferfluids;immersionmetalliccontainmentmaterials;solarheatingandcooling
【摘要】:1.1Thesepracticescovertestproceduressimulatingfieldserviceforevaluatingtheperformanceundercorrosiveconditionsofmetalliccontainmentmaterialsinsolarheatingandcoolingsystems.Alltestresultsrelatetotheperformanceofthemetalliccontainmentmaterialonlyasapartofametal/fluidpair.Performanceinthesetestprocedures,takenbyitself,doesnotnecessarilyconstituteanadequatebasisforacceptanceorrejectionofaparticularmetal/fluidpairinsolarheatingandcoolingsystems,eitheringeneralorinaparticulardesign.1.2Thesepracticesdescribetestproceduresusedtoevaluatetheresistancetodeteriorationofmetalliccontainmentmaterialsintheseveralconditionsthatmayoccurinoperationofsolarheatingandcoolingsystems.Theseconditionsinclude:(1)operatingfullflow;(2)stagnantemptyvented;(3)stagnant,closedtoatmosphere,non-draindown;and(4)stagnant,closedtoatmosphere,draindown.1.3Therecommendedpracticescoverthefollowingthreetests:1.3.1PracticeALaboratoryExposureTestforCouponSpecimens.1.3.2PracticeBLaboratoryExposureTestofComponentsorSubcomponents.1.3.3PracticeCFieldExposureTestofComponentsorSubcomponents.1.4PracticeAprovidesalaboratorysimulationofvariousoperatingconditionsofsolarheatingandcoolingsystems.Itutilizescoupontestspecimensanddoesnotprovideforheatingofthefluidbythecontainmentmaterial.PracticeBprovidesalaboratorysimulationofvariousoperatingconditionsofasolarheatingandcoolingsystemutilizingacomponentorasimulatedsubcomponentconstruction,anddoesprovideforheatingofthefluidbythecontainmentmaterial.PracticeCprovidesafieldsimulationofvariousoperatingconditionsofsolarheatingandcoolingsystemsutilizingacomponentorasimulatedsubcomponentconstruction.Itutilizescontrolledschedulesofoperationinafieldtest.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForaspecificsafetyprecautionstatementseeSection6.
【中国标准分类号】:F12
【国际标准分类号】:77_060(CORROSIONOFMETALS)
【页数】:8P.;A4
【正文语种】:
