常用技术要求(中英对照)

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1、1.钢板和型材要求平直。1.Theplatesandsectionsteelsprofiledbarmustbestraightandflat.用E4303焊条连续焊接，除注明者外，其余焊缝高度均为10~15mm。2.WeldcontinuouslywithelectrodeweldingrodE4303.Theseamsshallbe10~15mmhighunlessotherwisespecified.2.焊后消除内应力，矫正变形，然后加工。3.Relievetheinternalstressafterwelding,recti

2、fythedeformationbeforeprocessing.4.材料下料加工。4.Blankingprocessing.1.热处理HB=156~207，HeattreatmentHB=156~207.表面淬火HRC=35~45。SurfacequenchingHRC=35~45.2.棱角倒钝。Edgesandcornersarechamfered.1.弹簧性能应符合负载曲线图的要求。1.Thespringpropertiesshallbeinaccordancewiththeloadcurves.2.弹簧的制造精度等级II级。

3、2.ThespringsaremanufacturedtoaccuracydegreeII.3.锐角倒圆R0.5。3.AcuteanglesareblendedRoundthecornersR0.5.4.热处理HB290～325。4.HeattreatmentHB290~325.1.锻件不应有夹层、折叠、裂纹、结疤、夹渣等缺陷。1.Nodefectssuchasoverlaps，folding,crack,scarorinclusionsareallowedforforgings.2.加工表面不应有沟痕，碰伤等损坏零件表面，降低零件

4、强度及寿命的缺陷。2.Nodefectdegradingreducingthecomponentstrengthorservicelifeshallbeallowed14onthemachinedsurfaces(e.g.grooves,bruise).1.经过精加工的配合表面不应有退火现象。3.Noannealingphenomenonisallowedonthefinishmachinedmatchingsurfaces.2.表面淬火4.Surfacequenching.1.图中所有润滑管和分配器位置均为示意图,安装时根据实际情

5、况进行布置.管路尽量少用连接元件,管子的最小弯曲半径为管径的4倍(R≥d).弯曲处应保证油路畅通。弯扁率小于15%。1.Thepositionsofalllubricationpipesanddistributorsinthedrawingareonlytypical.Arrangementshallbemadebasedontheactualconditionsduringinstallation.Theconnectorsinpipingshallbeminimizedandthemin.bendingradiusshallbe

6、4foldsofthepipediameter(R³d).Theoilpassageshallbesmoothandfreeattheturnthecorner。bendingwithdeflectionratelessthan15%.2.分配器支架等将根据现场情况焊于钢结构上。2.Thedistributorsupports,etc.shallbeweldedonthesteelstructuresaccordingtositesituations.1.分配器和管路应尽量靠近设备安装,管夹的配备根据现场实际情况所需确定.4.The

7、distributorsandpipingshallbeinstalledascloseaspossibletotheequipment.Thepipeclampsshallbeprovidedmountedbasedonsitesituations.2.管路的安装不得妨碍设备的正常运行和操作维修.5.Thepipingshallbeprovidedmountedinawaynottointerferethenormaloperationandmaintenanceofequipment.3.管路安装按<<冶金机械设备安装工程质量检

8、验评定标准--液压.气动和润滑设备>>(YB9246-92)中的有关规定执行.6.Thepipingshallbeinstalledinaccordancewith“QualityAssessmentStandardsforMetal