SAE J1513 External Automatic Slack Adjuster Performance Requirements
作者:标准资料网 时间:2024-05-10 14:13:13 浏览:8481
来源:标准资料网
Product Code:SAE J1513
Title:External Automatic Slack Adjuster Performance Requirements
Issuing Committee:Truck And Bus Foundation Brake Committee
Scope:These performance requirements have been established for external automatic slack adjusters when tested to SAE J1462.
基本信息
| 标准名称： | 黄药化学分析方法 乙酸滴定法测定游离碱含量 |
| 英文名称： | Methods for chemical analysis of xanthates The acetic acid titration method for determination of free alkali content |
| 中标分类： |
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| ICS分类： |
采矿和矿产品 >>
采矿和挖掘
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| 替代情况： | 原标准号GB/T 8150.2-1987 |
| 发布日期： | |
| 实施日期： | 2004-05-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 2页 |
适用范围
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前言
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引用标准
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所属分类： 采矿和矿产品 采矿和挖掘
【英文标准名称】:StandardTestMethodforDust-and-FogTrackingandErosionResistanceofElectricalInsulatingMaterials
【原文标准名称】:电绝缘材料的尘雾起痕和耐腐蚀性的标准试验方法
【标准号】:ASTMD2132-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:D09.18
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:电绝缘;耐腐蚀绝缘;耐力;跟踪;湿度踪迹
【英文主题词】:electricalinsulation;erosionresistantinsulation;resistance;tracking;wettracking
【摘要】:Method8212;Electricalinsulationinservicecanfailasaresultoftracking,erosion,oracombinationofboth,ifexposedtohighrelativehumidityandcontaminationenvironments.Thisisparticularlytrueoforganicinsulationsinoutdoorapplicationswherethesurfaceoftheinsulationbecomescontaminatedbydepositsofmoistureanddirt,forexample,coaldustorsaltspray.Thistestmethodisanacceleratedtestthatsimulatesextremelysevereoutdoorcontamination.ItisbelievedthatthemostsevereconditionslikelytobeencounteredinoutdoorserviceintheUnitedStateswillberelativelymildcomparedtotheconditionsspecifiedinthistestmethod.TestResults8212;Materialscanbeclassifiedbythistestmethodastracking-resistant,tracking-affected,ortracking-susceptible.Theexacttestvaluesforthesecategoriesastheyapplytospecificuseswillbespecifiedintheappropriatematerialspecifications,butguidelinefiguresaresuggestedinNote3.Tracking-resistantmaterials,unlesserosionfailureoccursfirst,canlastmanyhundredsofhours(Note4).Erosion,thoughitcanprogresslaterally,generallyresultsinafailureperpendiculartothespecimensurface.Therefore,onlyspecimensofthesamenominalthicknesscanbecomparedforresistancetotracking-inducederosion.Theextentoferosioncanbeestimatedfrommeasurementsofthedepthofpenetrationoftheerosion.Materialsthatarenottracking-susceptiblecanbeplacedinthreebroadcategorieserosion-resistant,erosion-affected,anderosion-susceptible.Whenthestandardthicknessspecimenistested,thefollowingtimestofailuretypifythecategories(Note5):1.1Thistestmethodisintendedtodifferentiatesolidelectricalinsulatingmaterialswithrespecttotheirresistancetotheactionofelectricarcsproducedbyconductionthroughsurfacefilmsofaspecifiedcontaminantcontainingmoisture.TestMethodsandD2303mayalsobeusedtoevaluatematerials.1.2Thevaluesstatedininch-poundunitsarethestandard,exceptincaseswhereSIunitsaremoreappropriate.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin12.4.Note18212;ThereisnoequivalentISOstandard.
【中国标准分类号】:
【国际标准分类号】:29_035_01
【页数】:6P.;A4
【正文语种】:
