BS ISO 8568-2008 机械冲击.测试机.特征和性能

作者:标准资料网 时间:2024-05-16 12:49:25   浏览:9582   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Mechanicalshock.Testingmachines.Characteristicsandperformance
【原文标准名称】:机械冲击.测试机.特征和性能
【标准号】:BSISO8568-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-01-31
【实施或试行日期】:2008-01-31
【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】:定义;定义(术语);特点;冲击测试机;冲击试验;放置;材料测试机;机械工人;安全性要求;规格;试验设备;测试
【英文主题词】:Definition;Definitions;Features;Impacttestingmachines;Impacttests;Lay;Materialtestingmachines;Mechanic;Safetyrequirements;Specifications;Testequipment;Testing
【摘要】:ThisInternationalStandardspecifiesperformanceparametersandmethodsofinspectionofmechanicalshock-testingmachinesandgivesguidelinesfordescribingtheircharacteristics.Itisintendedtoensurethatthepotentialuserofaparticularshock-testingmachineisprovidedwithanadequatedescriptionofthecharacteristicsofthemachine,andalsotogiveguidanceontheselectionofsuchmachines.ThisInternationalStandardisapplicabletotheshock-testingmachinesthatareusedfordemonstratingorevaluatingtheeffectofshockconditionsrepresentativeoftheserviceenvironmentinaccordancewiththerelevantpartofIEC60068andalsofordiagnostictesting.Thepurposeoftheshocktestistorevealmechanicalweaknessand/ordegradationinspecifiedperformance.Itcanalsobeusedtodeterminethestructuralintegrityofatestspecimenorasameansofqualitycontrol.Machinesusedforsimulationofearthquakes,sonicbooms,explosionsandimplosions,burstingtests,metalworking,forming,etc.arenotcoveredinthisInternationalStandard.Severaltechniquesforgeneratingthedesiredshockmotionarediscussed.Bothsimple-pulseandcomplextransientscanbeproduced.Thesimulationoftransientscanbeachievedbycontrolofthetestwithaspecifiedshock-responsespectrum.NOTE1AnnexAgivesadescriptionofpulse-shapingdevices.AnnexBdefinesmethodsofapplicationoftheshockresponsespectra.AnnexCconsidersamethodofevaluatingthepossibilityofusingavibrationgeneratorforproducingashockpulse.AnnexesDandEdealwiththemethodsofmeasurementofsomecharacteristicsininspectionmethods(orprocedures)ofshock-testingmachines.NOTE2Characteristicsofvibration-generatingequipmentarecoveredinISO5344,ISO6070andISO8626.
【中国标准分类号】:N73
【国际标准分类号】:17_160
【页数】:30P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforLowTemperatureUnrollingofFeltorSheetRoofingandWaterproofingMaterials
【原文标准名称】:毡子或薄层屋面和防水材料低温展开的标准试验方法
【标准号】:ASTMD5636-1994
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【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】:防水材料;屋顶层;聚合物;裂开;毡;薄层屋面;展开;增强聚合物;表面分析;改良沥青;沥青浸渍毡;低温展开;改良沥青薄板材料;试验
【英文主题词】:cracking;surfaceanalysis;modifiedbitumens;polymer;bituminousimpregnatedfelts;lowtemperatureunrolling;modifiedbituminoussheetmaterials;reinforcedpolymer;sheetroofing;unrolling;felt;test;roof
【摘要】:
【中国标准分类号】:Q17
【国际标准分类号】:91_060_20;91_100_50
【页数】:
【正文语种】:英语


Product Code:SAE AMS7454
Title:Bolts And Screws, Low-Alloy Steel, Heat Resistant Normalized Andtempered, Roll Threaded 135,000 Psi (Cancelled Jul 2002)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:1. SCOPE:1.1 Type: This specification covers high quality holts and screws made of a low-alloy, heat resistantsteel.1. 2 Application: Primarily for joining parts where high strength up to 900'F (480'C) is reqnired.