【英文标准名称】:MechanicalandQualityRequirementsforTappingScrews
【原文标准名称】:自攻螺钉的机械和质量要求
【标准号】:ANSI/SAEJ933-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998-05
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:机动车工程;化学成分;紧固件;机械性能;质量要求;螺钉;自攻螺钉;钢
【英文主题词】:Automotiveengineering;Chemicalcomposition;Fasteners;Mechanicalproperties;Qualityrequirements;Screws(bolts);Self-tappingscrews;Steels
【摘要】:ThisSAERecommendedPracticecoversthemechanicalandqualityrequirementsforsteeltappingscrewsusedinautomotiveandrelatedindustries.Itdoesnotapplytocorrosionresistant(stainless)steelscrews.(DimensionalrequirementsformosttypesofscrewsmentionedhereinarecoveredinSAEJ478.)Theprimaryobjectiveofthespecificationistoinsurethatscrewsformorcutmatingthreadsinmaterialsofconstructionintowhichtheyarenormallydriven,withoutdeformingtheirownthreadandwithoutbreakingduringassemblyorservice.NOTE:Certainlimitationsonbasicmaterialandmanufacturingprocesseshavebeenincorporatedbecausethesizeandconfigurationofthepartsunderconsiderationmakethemvulnerabletorelativelysmallvariationsinchemistry,heattreatment,etc.,andbecauseexperiencehasshownthatinprocessingitisdifficulttokeepthesevariablesconsistently"inbalance."Untilimprovedperformancetestsaredeveloped,theselimitationswillsupplementthe"performance"featuresofthespecification.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:
【正文语种】:英语


【英文标准名称】:Rollingstockforelectrictraction;conceptsforelectricalequipmentforpowerelectronic
【原文标准名称】:电力牵引用机车车辆.第16部分:大功率电子和电气设备概念
【标准号】:DIN43101-16-1980
【标准状态】:现行
【国别】:德国
【发布日期】:1980-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电力变换器;整流器;交流电流;电子工程;电气工程;频率;直流电流;荧光灯;电路;供能系统(建筑物);半导体;电子学;铁道车辆;逆变器;运载工具;定义;电动车辆;照明系统
【英文主题词】:vehicles;electronics;energysupplysystems(buildings);inverters;electricvehicles;railwayvehicles;alternatingcurrent;electricconvertors;semiconductors;frequencies;electricalengineering;electronicengineering;circuits;definitions;fluorescentlamps;directcurrent;lightingsystems;rectifiers
【摘要】:Rollingstockforelectrictraction;conceptsforelectricalequipmentforpowerelectronicFürdenGeltungsbereichdieserNormbestehenkeineentsprechendenregionalenoderinternationalenNormen.DienachstehendenFestlegungenenthaltenBenennungennach
【中国标准分类号】:S41
【国际标准分类号】:29_280;45_060_10;01_040_45
【页数】:3P.;A4
【正文语种】:德语