1标题栏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±0.1。5)SURFACEFINISH3.2UNLESSSTATED未注粗糙度3.2。2常见尺寸的标注及要求2.1孔(HOLE)如:(1)毛坯孔:3DIAO+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=UNIFIEDCOARSETHREAD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)2.2倒角(CHAMFER)例1/8×45°BEV倒角1/8×45°(注BEV=BEVEL,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3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°缩写abbreviation美英加陆军规格ABC-Army-STD美英加海军规格ABC-Navy-STD消字膏abrasivepaste方向突变abruptchangeindirection横坐标abscissa绝对尺寸absolutesize交流电动机控制器ACmotorcontroller交流电AC(a-c,alernatingcurrent)附件accessory累积公差accumulatedtolerance精度,准确度accuracy准确线accurateline透明绘图胶片acetate梯形(爱克姆)Acme[screw]对角视图acrosscornerview对角acrosscorners对边acrossflats对边视图acrossflatsview横断木纹acrossgrainofwood实际距离actualdistance实际书法actualdrawing实际配合actualfit实际内径actualinsidediameter实际量度actualmeasurement图面尺寸actualmeasurementonthedrawing实际分度区域,实际精确区域actualminutearea实际零件actualpart实际位置actualposition实际尺寸actualsize锐角acuteangle齿冠addeneum齿冠图addeneumcircle齿冠距离addeneumdistance齿冠线addeneumline相加adding增列数据additionaldata增列资料additionalinformation增列位置公差additionalpositiontolerance增列公差additionaltolerance胶带adhesivetape邻角adjacentangle邻近区域adjacentarea邻接组件adjacentcomponent邻棱adjacentedge邻线adjacentline邻接地图adjacentmap邻接件adjacentpart邻接件线adjacentpartsline邻边adjacentside相邻视图adjacentview自由曲线规adjustablecurve活动丁字尺adjustableheadT-square调整点adjustablepoint自由曲线规adjustableruler可调三角规adjustablesetwquare广告面advertisingillustration色透规,浓淡远近法aerialperspective航空照相aerialphotograph航空图aeronauticalchart航测图aeronauticalmap美学aestetics逆理(木)againstthegrain喷刷airbrush飞机接线图aircraftwiringdiagram空线,电路airline,baseline备接线ajoiningline铝AL(aluminum)对齐尺寸线aligneddimensionlines对齐制注尺寸法aligneddimensioning转正剖面alignedsection对齐制alignedsystem转正的视图,对正的视图alignedview对准alignment列线图alignmentchart列线图alignmentdiagram鳄齿连接器alligatorconnector裕度ALLOW(allowance)容许蚗?allowablebearing容许僆qallowablevariation裕度allowance纵剖木纹alonggrainofwood线的规格alphabetoflines字母顺序alphabeticeorder字母alphabets更改后尺寸altereddimension对错角alternateangle交变剖面线alternatecrosshatching螺纹正规符号书法(美式)alternatelightandheavylinemethod变换法alternatemethod变换位置alternateposition变换位置线alternatepositionline变换位置视图alternatepositionview共轭弓形alternatesegment外错角alternate-exteriorangle内错角alternate-interiorangle交互排列alternatelyspaced交流电alternatingcurrent更改alternation侧视图的变换位置alternativepositionforsideview高度altitude铝aluminum铝合金aluminumalloy美国标准AMERSTD(AmStd,AmericanStandard)美国压力管规号码Americancodeforpressurepiping美国书法(第三角法)Americanmethod美国标准螺纹AmericanNationalscrewthread美国国家标准协会AmericanNationalStandardInstitute(ANSI)美国国家标准AmericanNationalStandard(ANS)美国制投影(第三角投影)Americanprojection美国标准螺纹配合等级Americanscrewthreadclass美国机械工程学会AmericanSocietyofMechanicalEngineers(ASME)美国标准学会AmericanStandardAssociation字格板Amesinstrument字格板Amesletteringinstrument布朗沙普线规AmeticanWireGage,Brown&SharpeGage安倍计(电)ammeter变量图表amountofchangechart面角量amountofdivergence放大电路amplifiercircuit分析analysis分析图表analyticalchart分析线图analyticaldiagram分析图analyticalgraph锚,固定器anchor固定螺栓anchorbolt固定板anchorplate固定螺椿anchorstud角angle极向角angle角度规angleagage中心角angleatthecenter角的测量anglemeasure弦角angleofchord圆周角angleofcircumference倾角angleofdip俯角angleofelevation倾斜角angleofinclination投射角angleofprojection倾角angleofslope视角angleofvision螺纹理论深度angulardepthofthread角尺寸angulardimension角度定位法angulardimensioning角度定位制angulardimensioningsystem成角透视,斜透视angularperspective角度关系angularrelationship角范围angularspace单斜面angularsurface角公差angulartolerance角度转换angulartransformation折角管,角管angulartube倾斜度angularity不等角图anisometricdrawing退火annealing注解annotation环状公差域annulartolerancezone圆环annulartorus环状带annularzone圆环annulus阳极anode美国标准正规符号(螺纹)ANSIregularsymbol美国标准简化符号(螺纹)南极圈antarcticcircle天线antenna反时针方向anticlockwise视图上的交点apparentintersection核准APPD(approved)装饰性笔划appendge附录appendix附录表appendixtable承招图,核准图样approvedplan校核者,核准者approvingauthority齿形近似书法approximatecirclearcmethod近似曲线approximatecurve八圆心近似椭圆approximateeig