DIN 53442-1990 塑料试验.扁平试样弯曲应变区域的疲劳试验
作者:标准资料网 时间:2024-05-18 23:16:13 浏览:8260
来源:标准资料网
【英文标准名称】:Flexuralfatiquetestingofplasticsusingflatspecimens
【原文标准名称】:塑料试验.扁平试样弯曲应变区域的疲劳试验
【标准号】:DIN53442-1990
【标准状态】:现行
【国别】:德国
【发布日期】:1990-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:塑料;试样;材料;定义;浅;疲劳试验;机械试验;试验
【英文主题词】:materials;definitions;plastics;definition;shallow;testing;mechanicaltesting;fatiguetesting;testspecimens
【摘要】:Thestandardspecifiesamethodforevaluationofthereactionofplasticsbyperiodicalalternatingstrain.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:4P;A4
【正文语种】:德语
Product Code:SAE J1281
Title:Operator Sound Pressure Level Exposure Measurement Procedure for Powered Recreational Craft
Issuing Committee:Marine Technical Steering Committee
Scope: This SAE Recommended Practice establishes the procedure for assessing operator sound level exposure for pleasure motorboats under 20 m (65 ft) in length when operated under typical conditions, and describes the instrumentation, test site, and boat operation for making valid measurements.【英文标准名称】:Machinetools-Testconditionsforbridge-typemillingmachines-Testingoftheaccuracy-Travellingbridge(gantry-type)machines
【原文标准名称】:机床.桥式铣床的试验条件.精度测试.移动桥式(龙门式)铣床
【标准号】:BSISO8636-2-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-02-29
【实施或试行日期】:2008-02-29
【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】:验收规范;准确度;定义;尺寸测量;机床;铣床;移动性;命名;数值控制;精密度;术语;测试;试验条件;公差(测量);移动机构
【英文主题词】:Acceptancespecification;Accuracy;Definition;Dimensionalmeasurement;Machinetools;Millingmachines;Mobility;Nomenclature;Numericalcontrol;Precision;Terminology;Testing;Testingconditions;Tolerances(measurement);Travellingmechanism
【摘要】:ThispartofISO8636specifies,withreferencetoISO230-1,ISO230-2,andISO230-7,geometrictests,machiningtests,andtestsforcheckingaccuracyandrepeatabilityofpositioningofnumericallycontrolledaxesforgeneral-purposenormalaccuracybridge-typemillingmachineswithatravellingbridge(gantry-type).ThispartofISO8636alsospecifiestheapplicabletolerancescorrespondingtotheabove-mentionedtests.ThispartofISO8636isapplicabletomachineswithtravellingbridgeandfixedtable.Itdoesnotincludesingle-column(opensided)machinesandthosewithfixedbridgeandmovingtables.ThispartofISO8636dealsonlywiththeverificationoftheaccuracyofthemachine.Itdoesnotapplytothetestingofthemachineoperation(vibration,abnormalnoise,stick-slipmotionofcomponents,etc.)nortomachinecharacteristics(suchasspeeds,feeds,etc.),whichshouldgenerallybecheckedbeforetestingtheaccuracy.ThispartofISO8636providestheterminologyusedfortheprincipalcomponentsofthemachinesandthedesignationoftheaxeswithreferencetoISO841.
【中国标准分类号】:J54
【国际标准分类号】:25_080_20
【页数】:46P;A4
【正文语种】:英语
