【英文标准名称】:Hexagonsocketcountersunkheadscrews(ISO10642:1997);GermanversionENISO10642:1997
【原文标准名称】:内六角埋头螺钉
【标准号】:DINENISO10642-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-02
【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】:六角凹头螺钉;强度等级;螺钉;量规尺寸;六角头紧固件;六角头螺钉;凹头紧固件;米制的;规范(验收);紧固件;材料强度;埋头紧固件;公差(测量);交货条件;六角内孔;验收规范;名称与符号;螺纹;尺寸
【英文主题词】:
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:11P;A4
【正文语种】:德语


【英文标准名称】:Welding.Acceptanceinspectionofelectronbeamweldingmachines.Measurementofrun-outaccuracy
【原文标准名称】:焊接.电子束焊接机的验收检验.偏转精度的测量
【标准号】:BSENISO14744-5-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-04-15
【实施或试行日期】:2001-04-15
【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(鉴定);验收检验;验收规范;准确度;定义(术语);电焊;电子束;电子束焊;误差;熔焊;检验;连接工艺;测量;测量特征;测量组织;测定;测量仪器;测量技术;位移精确度;性能;精密度;试验设备;测试;公差(测量);焊接;焊接工程;焊接设备;焊机;焊接参数
【英文主题词】:Acceptance(approval);Acceptanceinspection;Acceptancespecification;Accuracy;Definitions;Electricwelding;Electronbeams;Electron-beamwelding;Errors;Fusionwelding;Inspection;Joiningprocesses;Measurement;Measurementcharacteristics;Measurementset-up;Measuring;Measuringinstruments;Measuringtechniques;Movementaccuracy;Performance;Precision;Testequipment;Testing;Tolerances(measurement);Welding;Weldingengineering;Weldingequipment;Weldingmachines;Weldingparameters
【摘要】:Thisstandardisintendedforusewhentherun-outaccuracyofthemovingpartsofelectronbeamweldingmachinescomplyingwithENISO14744-1istobemeasuredinconnectionwithanacceptanceinspection.Itprovidesinformationontheprocedureandapparatustobeusedformakingthemeasurements.Giventhegreatvarietyofelectronbeamweldingmachines,thescopeofmeasurementsrequiredforacceptanceinspectionpurposesshouldbespecifiedseparatelyforthemachineconcerned.Run-outaccuracyasdefinedhereisasystematicerrorandthuscountsasoneoftheparametersbywhichtheperformanceofamachinetoolcanbecharacterized.Otherfactorsinfluencingperformance(e.g.dynamicforces,vacuumlevel,positioningaccuracyofCNCmachines)andmethodsofstatisticalevaluationarenotcoveredinthisstandard.Electronbeamweldinginvolvesmovementoftheworkpieceand/oroftheelectrongun.Successfulweldingpresupposesthatthismovementiseffectedbythedevicesconcerned(e.g.worktableandrotatingfixture)withagivendegreeofaccuracy.Thepurposeofthemeasurementisthustocheckwhetherandtowhatextenttherequiredrun-outaccuracyismaintained.
【中国标准分类号】:J64
【国际标准分类号】:25_160_30
【页数】:14P;A4
【正文语种】:英语