JIS B4354-1988 齿轮用单面滚刀
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来源:标准资料网
【英文标准名称】:Singlethreadgearhobs
【原文标准名称】:齿轮用单面滚刀
【标准号】:JISB4354-1988
【标准状态】:作废
【国别】:日本
【发布日期】:1988-05-01
【实施或试行日期】:1988-05-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:FactoryAutomation
【标准类型】:()
【标准水平】:()
【中文主题词】:铣刀;齿形;正齿轮;齿轮滚刀;斜齿轮
【英文主题词】:gearhobs;millingcutters;toothprofiles;spurgears;helicalgears
【摘要】:
【中国标准分类号】:J41
【国际标准分类号】:21_200;25_100_99
【页数】:14P;A4
【正文语种】:日语
基本信息
标准名称: | 板料折弯机 名词术语 |
中标分类: |
机械 >>
通用加工机械与设备 >>
锻压机械 |
替代情况: | 被JB/T 2257.3-1999代替 |
发布日期: | |
实施日期: | 1996-04-01 |
首发日期: | |
作废日期: | 2000-01-01 |
出版日期: | |
页数: | 23页 |
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 通用加工机械与设备 锻压机械
【英文标准名称】:StandardTestMethodforTensilePropertiesofPlastics
【原文标准名称】:塑料拉伸性能的标准试验方法
【标准号】:ASTMD638-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:拉伸;塑料;性能;抗拉强度;测试
【英文主题词】:Elongation;Plastics;Properties;Tensilestrength;Testing
【摘要】:1.1Thistestmethodcoversthedeterminationofthetensilepropertiesofunreinforcedandreinforcedplasticsintheformofstandarddumbbell-shapedtestspecimenswhentestedunderdefinedconditionsofpretreatment,temperature,humidity,andtestingmachinespeed.1.2Thistestmethodcanbeusedfortestingmaterialsofanythicknessupto14mm(0.55in.).However,fortestingspecimensintheformofthinsheeting,includingfilmlessthan1.0mm(0.04in.)inthickness,TestMethodsD882isthepreferredtestmethod.Materialswithathicknessgreaterthan14mm(0.55in.)mustbereducedbymachining.1.3ThistestmethodincludestheoptionofdeterminingPoisson’sratioatroomtemperature.NOTE1—ThistestmethodandISO527-1aretechnicallyequivalent.NOTE2—Thistestmethodisnotintendedtocoverprecisephysicalprocedures.Itisrecognizedthattheconstantrateofcrossheadmovementtypeoftestleavesmuchtobedesiredfromatheoreticalstandpoint,thatwidedifferencesmayexistbetweenrateofcrossheadmovementandrateofstrainbetweengagemarksonthespecimen,andthatthetestingspeedsspecifieddisguiseimportanteffectscharacteristicofmaterialsintheplasticstate.Further,itisrealizedthatvariationsinthethicknessesoftestspecimens,whicharepermittedbytheseprocedures,producevariationsinthesurface-volumeratiosofsuchspecimens,andthatthesevariationsmayinfluencethetestresults.Hence,wheredirectlycomparableresultsaredesired,allsamplesshouldbeofequalthickness.Specialadditionaltestsshouldbeusedwheremoreprecisephysicaldataareneeded.NOTE3—Thistestmethodmaybeusedfortestingphenolicmoldedresinorlaminatedmaterials.However,wherethesematerialsareusedaselectricalinsulation,suchmaterialsshouldbetestedinaccordancewithTestMethodsD229andTestMethodD651.NOTE4—Fortensilepropertiesofresin-matrixcompositesreinforcedwithorientedcontinuousordiscontinuoushighmodulus>20-GPa[>3.03106-psi)fibers,testsshallbemadeinaccordancewithTestMethodD3039/D3039M.1.4Testdataobtainedbythistestmethodarerelevantandappropriateforuseinengineeringdesign.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:83_080_01
【页数】:16P;A4
【正文语种】:英语