机械图纸中有英文看不懂的,请果断收藏机械图纸英语翻译ALLWELDSCONTINUOUSUNLESSOTHERWISESTATED未注焊缝均为连续焊ALLWELDS3mmFILLETUNLESSOTHERWISESTATED未注焊角高3mm.ALLUNSPECIFIEDRADI-R3未注圆角R3REMOVEALLBURRSANDSHARPEDGES棱角倒钝CHANNEL槽钢RSA708角钢70X70X8M30X1.5pitchM30X1.5的锥螺纹Tackweld点焊OD1/4outsidedimension1/4的缩写外径直1/475CRS尺寸为75材质为冷轧钢板410OPENINGREF410开口参考尺寸40REF尺寸为40,参考值2.5BSP2.5”圆锥管螺纹2.5BSPTHEXAGON2.5”六角圆锥管螺纹(即对丝)30x2.5FLATBAR30X2.5扁钢TYP2POSNS2处11TOTALCOILSAPROX.9WORKINGCOILSAPROX.RIGHTHANDWOUNDONLY,ENDCOILSSQUARETOTOUCH.总圈数约11圈;工作圈数约9圈;右旋;弹簧的端部磨平以便于接触.(此为弹簧技术说明)FEMALE:内扣(母扣)MALE:外扣(公扣)偏心轴eccentricshaft销轴PIN开口销COTTERPIN螺杆screw紧定螺钉SETSCREW圆螺母ROUNDNUT内六角螺钉SOCKETHEADCAPSCREW六角螺钉HEXHDSETSCREW六角螺栓HEXHDBOLT挡圈closingring弹性挡圈circlip轴承隔套distancesleeveofaxletree轴承axletree深沟球轴承DEEPGROOVEBALLBEARING无扣长non-bucklelongth弹簧SPRING吊环螺钉LIFTINGEYEBOLT开槽盘头螺钉SLOTTEDPANHEADSCREW圆锥滚子轴承TAPEREDROLLERBEARING推力球轴承THRUSTBALLBEARING平键FLATKEY弹簧垫圈SINGLECOILSPRINGWASHER平垫圈FLATWASHER螺母FULLNYLOCKNUT圆螺母ROUNDNUTREMOVEALLBURRSANDSHARPEDGES所有尖角/棱角倒角并去毛刺40REF为测量的参考尺寸OD1/4’outsidedimension1/4的缩写外径直1/4’-------应该为:外径值1/475CRS尺75材质为冷轧钢板-------应该为:尺寸75材质为冷轧钢板ACCESSAccessory附件ADJAdjustable,Adjust调整ADPTAdapter使适应ADVAdvance提前ALAluminum铝ALLOWAllowance允许LTAlternate改变ALYAlloy合金AMTAmout数量ANLAnneal锻炼ANSLAmerNatlStdsInstituteAPPROXApproximate大约ASMEAmerSocietyofMechEngrsASSEMAssemble装配ASSYAssembly装配AUTHAuthorized授权的AUTOAutomatic自动的AUXAuxiliary辅助的AVGAverage平均AWGAmericanWireGaugeBCBoltCircle螺栓圆周BETBetween之间BEVBevel斜角BHNBrinellHardnessNumber布氏硬度值BLKBlank,Block空白新农村住宅设计方案金海岸高层住宅施工图材料费BOTBottom底部BPorB/PBlueprint蓝图BRGBearing轴承BRKBreak破裂BRKTBracket支架BROBroach钻孔BRSBrass黄铜BRZBronze青铜B&SBrown&Shape棕色&形状BSCBasic基本的BUSHBushing套管BWGBirminghamWireGaugeCTOCCenter-to-Center中心到中心CADComputer-AidedDrafting电脑辅助设计CAMComputer-AidedMfgCAPCapacity容量CAPSCRCapScrew螺帽CARBCarburize使渗碳CBORECounterbore扩孔CCWCounterClockwise逆时针CDRILLCounerdrillCDSCold-DrawnSteel看英文图纸的一些资料英文工程图纸的右下边是标题栏(相当于我们的标题栏和部分技术要求),其中有图纸名称(TILE)设计者(DRAWN)审查者(CHECKED)材料(MATERIAL)日期(DATE)比例(SCALE)热处理(HEATTREATMENT)和其它一些要求,如:1)TOLERANCESUNLESSOTHERWISESPECIFIAL未注公差2)DIMSINmmUNLESSSTATED如不做特殊要求以毫米为单位3)ANGULARTOLERANCE±1°角度公差±1°4)DIMSTOLERANCE±0.1未注尺寸公差±0.15)SURFACEFINISH3.2UNLESSSTATED未注粗糙度3.2常见尺寸的标注及要求2.1孔(HOLE)如:(1)毛坯孔:3DIA+1CORE芯子30+1;(2)加工孔:1DIA1;(3)锪孔:锪孔(注C'BORE=COUNTERBORE锪底面孔);(4)铰孔:1/4DIAREAM铰孔1/4;(5)螺纹孔的标注一般要表示出螺纹的直径,每英寸牙数(螺矩)螺纹种类精度等级钻深攻深,方向等如:例1.6HOLESEQUI-SPACEDON5DIA(6孔均布在5圆周上(EQUI-SPACED=EQUALLYSPACED均布)DRILL1DIATHRO'钻1通孔(THRO'=THROUGH通)C/SINK22×6DEEP沉孔22×6例2.TAP7/8-14UNF-3BTHRO'攻统一标准细牙螺纹,每英寸14牙,精度等级3B级(注UNF=UNIFIEDFINETHREAD美国标准细牙螺纹)1DRILL1/4-20UNC-3THD7/8DEEP4HOLESNOTBREAKTHRO钻1孔,攻1/4美国粗牙螺纹,每英寸20牙,攻深7/8,4孔不准钻通(UNC=UCIFIEDCOARSETHREAD美国标准粗牙螺纹)1-14NS-2THRO攻美国固定特种螺纹M1,每英寸牙数14,精度等级为二级(注NS=NATIONALSPECIALTHREAD:美国固定特种标准)某厂区高层办公楼施工图住宅规划设计圆形建筑施工图纸倒角(CHAMFER)例1/8×45°BEV倒角1/8×45°(注BEV=BEVEI,斜面)1.5×45°CHAM倒角1.5×45°(注CHAM=CHAMFER倒角)2.3方(SQUARE)例5SQUARE5×5方2.4剖视(SECTION)例SECTIONA-AA-A剖面2.5圆角半径例1RR1RADIUSMUSTBESMOOTHANDBLENDINTOFACE圆弧必须光滑且与平面相切2.6加工余量例DOTTEDLINESINDICATEDMAXFINISH1/8,虚线表示最大加工余量1/82.7零件标记例USE5/16RAISEDHAIRLINELET-TERSMARKINGONONESIDEOFBODY用突起高为5/16的细实线字母在本体一侧打标记关于铸锻件的技术要求例1.FORGINGMUSTBEANNEALEDTOBEBELOW203BRINELLHARDNESS锻件必须退火处理,布氏硬度203例2.NORMALIZETO163-207BHNMUSTBEFREEOFSCALE&RUST锻件正火处理,布氏硬度163-207,锻件表面不得有氧化皮和锈蚀例3.FORGINGTOBESHOTORSANDBLASTED锻件需经喷丸或喷砂处理例4.UNLESSOTHERWISESPECIFIEDDRAFTANGLES7°未注明锻造拔模斜度7°例5.CASTTOBEFREEOFEXCESSIVEFLASH铸件不得有过多的毛边例6.DRAFTANGLE2°UNLESSOTHER-WISESPECIFIED未注明铸造拔模斜度2°总之,看英文机械工程图纸并不是高不可攀,只要坚持常看,熟记部分单词即可。