GB/T 12555.8-1990 塑料注射模大型模架 带头导柱
时间:2024-05-14 19:05:18 来源: 标准资料网 作者：标准资料网 阅读：9698
基本信息
| 标准名称： | 塑料注射模大型模架 带头导柱 |
| 英文名称： | Injection mould for plastic large-size mould bases -Guide pillars with head |
| 中标分类： |
|
| ICS分类： |
机械制造 >>
无屑加工设备 >>
模制设备和铸造设备
|
| 替代情况： | 被GB/T 4169.4-2006代替 |
| 发布部门： | 国家技术监督局 |
| 发布日期： | 1990-01-02 |
| 实施日期： | 1991-10-01 |
| 首发日期： | 1990-12-12 |
| 作废日期： | 2007-04-01 |
| 主管部门： | 国家标准化管理委员会 |
| 归口单位： | 全国模具标准化技术委员会 |
| 起草单位： | 中国模具协会标准件委员会 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 1900-01-01 |
| 页数： | 3页 |
适用范围
本标准规定了带头导柱的规格结构和技术要求。本标准适用于塑料注射模大型模架的带头导柱等。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 机械制造 无屑加工设备 模制设备和铸造设备
【英文标准名称】:Fibreopticactivecomponentsanddevices-Packageandinterfacestandards-Discreteverticalcavitysurfaceemittinglaserpackages
【原文标准名称】:纤维光学有源元件及器件.包装和接口标准.离散垂直空腔表面发射激光器封装件
【标准号】:BSEN62148-15-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-03-31
【实施或试行日期】:2010-03-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:元件;连接件;定义;尺寸规格;电气工程;电子工程;电子设备及元件;外壳;接口;激光二极管;激光器;调制信号;调制传递函数;光学纤维;光波导;光电子器件;光电子学;射频连接件;射频连接器;半导体器件;信号;终端区域;无线电收发信机;发射机;可视信号
【英文主题词】:Components;Connections;Definitions;Dimensions;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Enclosures;Interfaces;Laserdiodes;Lasers;Modulationsignals;Modulationtransferfunction;Opticalfibres;Opticalwaveguides;Optoelectronicdevices;Optoelectronics;Radiofrequencyconnections;Radiofrequencyconnectors;Semiconductordevices;Signals;Terminalareas;Transceivers;Transmitters;Visualsignals
【摘要】:ThispartofIEC62148coversthephysicaldimensionandinterfacespecificationsforthediscreteverticalcavitysurfaceemittinglaser(VCSEL)devicesinopticaltelecommunicationandopticaldatatransmissionapplications.TheobjectofthisstandardistoadequatelyspecifythephysicalrequirementsofVCSELdevicesthatwillenablemechanicalinterchangeabilityoflaserdevicesortransmitterscomplyingwiththisstandardbothattheprintedcircuitwiringboardandforanypanelmountingrequirement.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:24P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticesforEvaluatingtheResistanceofPlasticstoChemicalReagents
【原文标准名称】:塑料耐化学试剂性能的标准实施规程
【标准号】:ASTMD543-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D20.50
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:化学试剂;耐化学性;塑料;试验
【英文主题词】:chemicalreagent;dimensionalchanges;exposure;mechanicalpropertychanges;plastics;stress
【摘要】:Thelimitationsoftheresultsobtainedfromthesepracticesshouldberecognized.Thechoiceoftypesandconcentrationsofreagents,durationofimmersionorstress,orboth,temperatureofthetest,andpropertiestobereportedisnecessarilyarbitrary.Thespecificationoftheseconditionsprovidesabasisforstandardizationandservesasaguidetoinvestigatorswishingtocomparetherelativeresistanceofvariousplasticstotypicalchemicalreagents.Correlationoftestresultswiththeactualperformanceorserviceabilityofplasticsisnecessarilydependentuponthesimilaritybetweenthetestingandtheend-useconditions.Forapplicationsinvolvingcontinuousimmersion,thedataobtainedinshort-timetestsareofinterestonlyineliminatingthemostunsuitablematerialsorindicatingaprobablerelativeorderofresistancetochemicalreagents.Evaluationofplasticsforspecialapplicationsinvolvingcorrosiveconditionsshouldbebasedupontheparticularreagentsandconcentrationstobeencountered.Theselectionoftestconditionsshouldtakeintoaccountthemanneranddurationofcontactwithreagents,thetemperatureofthesystem,appliedstress,andotherperformancefactorsinvolvedintheparticularapplication.1.1Thesepracticescovertheevaluationofallplasticmaterialsincludingcast,hot-molded,cold-molded,laminatedresinousproducts,andsheetmaterialsforresistancetochemicalreagents.Thesepracticesincludeprovisionsforreportingchangesinweight,dimensions,appearance,andstrengthproperties.Standardreagentsarespecifiedtoestablishresultsonacomparablebasis.Provisionsaremadeforvariousexposuretimes,stressconditions,andexposuretoreagentsatelevatedtemperatures.Thetypeofconditioning(immersionorwetpatch)dependsupontheend-useofthematerial.Ifusedasacontainerortransferline,specimensshouldbeimmersed.Ifthematerialwillonlyseeshortexposuresorwillbeusedincloseproximityandreagentmaysplashorspillonthematerial,thewetpatchmethodofapplyingreagentshouldbeused.1.2Theeffectofchemicalreagentsonotherpropertiesshallbedeterminedbymakingmeasurementsonstandardspecimensforsuchtestsbeforeandafterimmersionorstress,orboth,ifsotested.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninbracketsareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsstatementsaregiveninSection7.Note1ThisstandardandISO22088Part3addressthesamesubjectmatter,butdifferintechnicalcontent(andtheresultscannotbedirectlycomparedbetweenthetwotestmethods).
【中国标准分类号】:G30
【国际标准分类号】:83_080_01
【页数】:7P.;A4
【正文语种】: