Product Code:SAE AS81820
Title:Bearings, Plain, Self-Aligning, Self-Lubricating, Low Speed Oscillation
Issuing Committee:Acbg Plain Bearing Committee
Scope:This standard covers plain spherical bearings which are self-aligning and self-lubricating by utilizing polytetrafluoroethylene (PTFE in a fabric composite or molded material that is bonded to the inner diameter surface of the race and when specified, to the bore diameter surface of the ball. These bearings are for use in the temperature range -65 to +325 掳F (-54 to +163 掳C).
基本信息
| 标准名称： | 横向错位限动器 |
| 中标分类： |
机械 >>
金属切削机床 >>
机床辅具与附件 |
| 发布日期： | 1978-05-24 |
| 实施日期： | 1978-08-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 机械 金属切削机床 机床辅具与附件
【英文标准名称】:StandardTestMethodsofSamplingandTestingPulpstobeUsedintheManufactureofElectricalInsulation
【原文标准名称】:制造电绝缘材料用纸浆的取样及试验的标准试验方法
【标准号】:ASTMD3376-1988(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1988
【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】:D09.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airresistanceashanalysis;ashcontent;apparentdensity;bulkcharacteristics;burstingstrength;cellulose;cellulosicfiber;conductivity;dirt;disintegration;extractableacidity-alkalinity;extractablechlorides;fiberanalysis;fiberl
【摘要】:Theconductivityofthewaterextractofelectricalgradepulpresultsfromelectrolyticimpuritiesinthepulpwhichmaybepresentasionizableacids,bases,salts,oracombinationofthese.Thepresenceofelectrolyticimpuritiesinelectricalinsulationisundesirableastheytendtolowerinsulationresistanceandhavecorrosion-producingtendenciesunderconditionsofappliedpotential.Whencomparingtestdataitshouldbenotedthattheextractconductivityofpulps,especiallythoseofhighpurity,maychangewithtimeaftermanufacturing.Thistestisusefulforroutineacceptancetesting,thecomparisonofdifferentpulps,andresearchwork.1.1Thesetestmethodscoverthesamplingandtestingofcellulosicpulpsforuseinthemanufactureofelectricalinsulatingpapersandboardsorinthedirectapplicationofpulpfibersasinsulationtoelectricalconductors.Note18212;Thesignificanceofanyonepulppropertytestmethod,assetforthherein,shouldbeconsideredwithdiscretiondependingontheproductmadefromthepulp.1.2SectionsonReagents,Sampling,andReportareintegralpartsofeachoftheindividualtestmethodsthatfollow.1.3Eachtestmethodisdescribedasbeingameasureofeitherabulkpropertyofthepulporapropertyofahandsheetformedfromthepulp.
【中国标准分类号】:K15
【国际标准分类号】:85_040
【页数】:10P.;A4
【正文语种】:英语