QJ 861-1984 塑料注射模具 推杆
作者:标准资料网 时间:2024-05-21 11:01:26 浏览:9789
来源:标准资料网
基本信息
标准名称: | 塑料注射模具 推杆 |
中标分类: |
航空、航天 >>
航空器与航天器制造用设备 >>
模具 |
替代情况: | 被GB 4169.1代替 |
发布日期: | 1984-09-05 |
实施日期: | 1986-03-01 |
首发日期: | |
作废日期: | 1985-01-01 |
出版日期: | |
页数: | 1页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 航空 航天 航空器与航天器制造用设备 模具
【英文标准名称】:Graphictechnology-Prepressdigitaldataexchange-UseofPDF-Part1:CompleteexchangeusingCMYKdata(PDF/X-1andPDF/X-1a)
【原文标准名称】:图形技术.预印数字数据交换.PDF的使用.第1部分:使用CMYK数据(PDF/X-1和PDF/X-1a)的完全交换
【标准号】:ANSICGATS/ISO15930-1-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:连接;成象;标识符;印刷;数据输出;彩色印刷;数据交换;数字数据;数据格式;定义;高宽比
【英文主题词】:Aspectratio;Colourprinting;Connections;Dataexchange;Dataformats;Dataoutput;Definition;Definitions;Digitaldata;Imaging;Printing;Tags(dataprocessing)
【摘要】:
【中国标准分类号】:L81
【国际标准分类号】:35_240_30
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforStrengthofSewnorThermallyBondedSeamsofGeotextiles
【原文标准名称】:土工织物缝合或热粘结缝隙强度的标准试验方法
【标准号】:ASTMD4884-1996(2003)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D35.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;土工织物;缝隙;材料强度
【英文主题词】:geotextile;seamweld;sewnseam;thermallybondedseam
【摘要】:AsexplainedinTestMethodD4595,narrowgeotextilespecimensdemonstratethetendencytocontract(neckdown)inthegageareawhenunderstress.Thewiderwidthspecimenwillminimizethisphenomenoninseamsduringstrengthtesting.Theresultsachievedinthistestmethodcanmoreaccuratelycorrelatetotheseamstrengthvaluesanticipatedinthefield.Thistestmethodcanbeusedtomeasuretheseamstrengthofgeotextiles,andmayalsobeusedforacceptancetestingofcommercialshipmentsofgeotextiles.Whenstrengthisnotnecessarilyadesignconsiderationofseaminteraction,analternatemethodfordeterminingtheseamstrength,suchasTestMethodD1683,maybeuseddependingonthespecificationrequirements.Becausecurrentinformationaboutlaboratoryprecisionisincomplete,comparativetests,asdescribedin5.2.1,maybeadvisable.5.2.1Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldperformcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensfromthesamelotofgeotextile,thatutilizealikemethodofseamassemblytoachieveseaminteraction.Thespecimensshouldthenberandomlyassignedinequalnumbertoeachlaboratoryfortesting.Ifabiasisfound,eitheritscausemustbedeterminedandcorrected,orthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinlightoftheknownbias.Althoughothermethodsofdeterminingseamstrengthareavailable,thistestmethod,thatmeasureswidespecimens,willmoreaccuratelycorrelatetotheanticipatedperformanceinthefield.Thistestmethodcanbeusedtohelpdetermineseamdesignengineeringforthegeotextilesbeingevaluated.1.1Thistestmethodcoverstheseamstrengthofgeotextiles.Theprimarydistinctionofthistestmethodforevaluatingseamstrengthisthewidthofthespecimen.ThisisincontrasttothemorenarrowspecimenwidthusedinthetensilegrabstrengthtestdiscussedinTestMethodD1683.1.2Thistestmethodwillprovidedatatoindicatetheseamstrengthwhichcanbeachievedforeachparticulargeotextileandseamassemblyconstruction.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Theinch-poundunitsgiveninparenthesesareprovidedforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:6P.;A4
【正文语种】: