DIN 32505 T.2-1988 电子束焊接机验收检验.加速端电压的测量

上一篇: DIN 3239 T.1-1988 阀的焊接端.对接焊
下一篇: DIN 69170 T.3-1988 磨头.圆柱形

【英文标准名称】:Portablescrewjacksforautomobiles
【原文标准名称】:汽车用便携式螺旋千斤顶
【标准号】:JISD8103-1994
【标准状态】:现行
【国别】:日本
【发布日期】:1994-09-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonRoadVehicles
【标准类型】:()
【标准水平】:()
【中文主题词】:道路车辆;私人汽车;千斤顶;螺纹形状
【英文主题词】:jacks;threadforms
【摘要】:この規格は,自動車に用いるねじ式携行ジャッキ(以下,ジャッキという。)について規定する。
【中国标准分类号】:R17
【国际标准分类号】:43_180
【页数】:9P;A4
【正文语种】:日语


【英文标准名称】:Steeldieforgings.Tolerancesondimensions.Upsetforgingsmadeonhorizontalforgingmachines
【原文标准名称】:钢模锻.公差和尺寸.水平锻压机器上的镦锻压
【标准号】:BSEN10243-2-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-12-15
【实施或试行日期】:1999-12-15
【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】:高度;宽度;非合金钢;工程图;公差(测量);直线度测量;形状;锻件;尺寸;落锤锻;合金钢;设计;长度;孔;缺陷与故障;形状公差;直径;重量;平面度测量;角度公差;热加工;钢;缺陷;表面;厚度;尺寸公差;等级(质量)
【英文主题词】:Alloysteels;Angulartolerances;Defects;Definitions;Design;Diameter;Dimensionaltolerances;Dimensions;Dropforging;Dropforgings;Engineeringdrawings;Flatnessmeasurement;Forgedpieces;Forging;Forgings;Formtolerances;Grades(quality);Height;Holes;Hot-working;Length;Metals;Shape;Steelproducts;Steels;Straightnessmeasurement;Surfaces;Symbols;Thickness;Tolerances(measurement);Unalloyedsteels;Weight(mass);Width
【摘要】:1ThisEuropeanStandardspecifiesthedimensionaltolerancesforsteelupsetforgingsmadeonhorizontalforgingmachines.ThesecondpartofthisEuropeanStandardappliestohotupsetforgings,inthedeliverycondition,madeincarbonandalloysteels.Thetolerancesspecifiedapplytoforgingsnotexceeding250kginmassor2500mmmaximumdimension.Tolerancesforheavierorlayerforgingsaresubjectedtonegotiation.ThisEuropeanStandarddoesnotapplytosteeldropandpressforgings(seeEN10243-1).2ForforgingsproducedinhorizontalforgingmachinesforginggradeFtolerancesonlyareprovided.Thistolerancegradeprovidesanadequatestandardofaccuracyforthemajorityofapplicationsandiscapableofbeingcompliedwithbycommonlyusedforgingequipmentandproductionmethods.ThetablesshowingdimensionaltolerancesarebasedontheR20seriesofpreferrednumbers(seeISO3).AnnexAgivesforinformationsomeexamplesoftheapplicationofthesetolerancesfordifferenttypesofcloseddieforgings.3Anyoccasionalinstancesmaynecessitatetheuseoftoleranceswiderthanthoseindicated,e.g.speciallycomplicateddesignsandsteelshavingparticularlydifficultforgingcharacteristics.Insuchcasesthesestandardtolerancescanformonlyabasisonwhichtoagreemodificationsappropriatetotheparticularcircumstances.4ThisEuropeanStandarddoesnotincluderangesofspecialtolerancescloserthangradeF.Considerationofspecialtolerances,whilstfrequentlyencountered,arehighlyindividual,andvarywidely.Theyarebestdealtwithbyconsultationatthedesignstageandshallbeagreedbetweenthepurchaserandthesupplier.Thisapproachwillensurethatoptimumuseismadeoftheforgingprocessinfulfillingthepurchaser'sspecialrequirementsatthelowestadditionalcost.
【中国标准分类号】:J32
【国际标准分类号】:77_140_85
【页数】:32P.;A4
【正文语种】:英语