ASTM D 4826-1988 纸浆、纸张和纸板用测量单位和换算系数

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【英文标准名称】:StandardPracticeforUnitsofMeasurementandConversionFactorsforPulp,Paper,andPaperboard
【原文标准名称】:纸浆、纸张和纸板用测量单位和换算系数
【标准号】:ASTMD4826-1988
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:测量单位;纸;半成品;纸板;转换系数
【英文主题词】:conversionfactor;paper;board(paper);unitsofmeasurement;semi-finishedproducts
【摘要】:
【中国标准分类号】:Y30
【国际标准分类号】:85_020
【页数】:8P;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforDeterminationofOperatingForceofSlidingWindowsandDoors
【原文标准名称】:滑动门窗操作力测定的标准试验方法
【标准号】:ASTME2068-2000(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:E06.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:breakawayforce;closingforce;deadweightmethod;in-motionoperatingforce;openingforce;operatingforce;windowoperatingforces;Breakawayforce;Closingforce;Deadweightmethod;In-motionoperatingforce;Opening/operatingforce;Slidingwindows
【摘要】:Thistestmethoddeterminestheoperationalforcesofslidingwindowsanddoorsbysimulatingforceappliedbyhanddirectlytomovablesashorpanels.Breakawayandin-motionoperatingforcesaremeasuresoftheeaseofoperationoffenestrationproducts.Productspecifications,buildingcodes,andbuildingspecificationsestablishoperatingforcelimitsasmeasuresofproductperformanceorlimitsforhandicappedaccessibility,orboth.Windowanddoorperformancestandardsforairinfiltrationandwaterpenetrationinsomecasesrequireoperatingforcemeasurementstobemadeandreportedasanindicationoftheoperabilityofthetestspecimen.Operatingforcescanvarysignificantlyfromunittounitduetofactorssuchasinstallationparameters,wearingofslidingorrollingparts,lubrication,stiffeningorsofteningofweather-strip,andenvironmentalfactors(forexample,humidity,temperature,accumulationofdirt,andsoforth).Therefore,whenappliedtonewproductdesigns,thistestmethodrequiresthatunitsbetestedinalaboratoryundercontrolledconditionsincludingaccuratemounting(plumb,square,andlevel)followingthemanufacturer''sinstructions.Useofthistestmethodinthefielddoesnotnecessarilyindicatetheoperatingforcesthatareinherentintheparticularwindowdesign,butrather,providesameasurementoftheforcesrequiredforoperationoftheparticularunitattheparticulartime.Theuseriscautionedthatinstallationdefectssuchasbowedjambs,rackedframes,orinadequateanchoringcanresultinbindingorstickingofmovablecomponentsandincreasedoperatingforces.Thistestmethodrequiresmeasurementofbothbreakawayandin-motionoperatingforces.Generally,breakawayforceishigherthanin-motionoperatingforceduetothedifferencebetweenstaticanddynamicfrictioncoefficientsorthepresenceofweather-strippingandsashpockets,orboth.Traditionalfenestrationproductstandardshaverequireddeterminationofin-motionoperatingforceintheopeningdirectiononlyandreferredtothissimplyasoperatingforce.Thistestmethodisintendedtodeterminetheforcesrequiredtooperateawindoworslidingdoorwhichisproperlyinstalledandwhichisoperatedbyhandapplicationofforcetoahandle,pullbar,orsashmember.Applicationofforcethroughjerkingorimpactmotionisnotmeasuredorevaluatedbythistestmethod.Operatingforcescanbesignificantlydifferentbetweentheopeningandclosingdirectionsofmovement;therefore,thistestmethodinvolvesmeasurementsinbothdirectionsofmovement.Thistestmethodprovidesfortwoprocedureswhichincludeadeadweighttestmethod(TestMethodA)andaforcegagetestmethod(TestMethodB)ofapplyingandmeasuringforcesrequiredtooperateaslidingwindoworslidingdoor.Whenproperlyapplied,bothtestmethodsaredeemedtoproduceequivalentresults.Thedeadweighttestmethodisconsideredtobelesslikelytobeaffectedbytheoperator''sskillinapplyingloadsinasteadyandproperlytimedmanner.Theforcegagetestmethodisconsideredsimplertoapplyandmoreapplicabletofieldtestingwheretheinstallationofpulleysandcablingisoftenimpractical.Bothtestmethodsaresubjecttoasimilaruncertainty.1.1Thistestmethoddeterminestheoperatingforcesforopeningandclosinghorizontalandverticalslidingwindowsandhorizontalslidingdoorsystems.Itdoesnotaddresstheforcesrequiredforopeningpivoting,projecting,orotherfenestrationsystems.Thistestmethoddoesnotaddresstheuseorperformanceofadd-ondevicesormechanicaloperatorsthatmightbeinstalledtoreduceoperatingforcesofslidingwindowsordoors.Itdealsonlywiththeforcesnecessarytoopenandcloseasashorpanelthroughthedirectapplicationofforcetotheoperablesashorpanel.1.2Thistest......
【中国标准分类号】:Q70
【国际标准分类号】:91_060_50
【页数】:7P.;A4
【正文语种】:英语


基本信息
标准名称:大型鼓形齿式联轴器
发布部门:中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会
发布日期:2012-12-31
实施日期:2013-10-01
首发日期:
作废日期:
出版社:中国标准出版社
出版日期:2013-10-01
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