aps课程一engineering为了培养空间分析能力点线面投影组合体视图表达方法零件

常用件以及装配图等题解内容。教授了很多作图的基本定理和方法：确定线线，线面之间Thecourse”drawingengineering”cantrainthestudent’sabilityofspaceanalyzing.Itintroducessomedrawingmethodssuchastheprojectionofthepoint,line,planeandbodyandthree-viewdrawing,detailsdrawing,italsotellsyouhowtoreadtheassemblydrawing.Ithinkthiscourseisprettyhardthatyoumustunderstandmanytheoremsandusethemtosolvetheproblems,thisisanexample(giveanexample,illustrateby)thatweusetheRectangularProjectionTheoremtoconfirmtherelationsbetweenthelines,linesandtheplanes(whetherthelinesareparallel).Andalsosomesectionlinessuchastheintersectionlinearereallycomplex.ThiscourseisthefoundationoftheMechanicalDesign.中心投影法perspective平行投影法parallel正投影面frontalplaneofprojection侧面投影面profileplaneofprojection投影图projectiondrawing三面投影图three-planeprojection棱柱prismsidefrustumofpyramid积聚concentratedeformation实长truelength实形trueshape一般位置直线obliquefrontal-horizontalline一般位置平面obliqueplane相交intersectionintersectingline,lineofwidth基本几何体basic底图traceddrawingcuttingplane二重性dualnature圆弧arc长轴majoraxis短轴minoraxis抛物线parabolacirclelineofintersection空间曲线spacecurve截平面方法cuttingplaneauxiliarysurfaceauxiliaryplane尺寸Size局部剖视图partialsection,broken-out旋转剖视图aligneddrawingofpartial第三角投影thirdangledotline,dashedline,hiddendashanddotline波浪线breakline剖切平面迹线cuttingplane尺寸线dimensionline尺寸dimensionsize基准线datumlinecentralholeshaft,sizedimension轴肩shoulder凸台bossshaftneck轮毂hubspokespokeofwheel键槽key-way油槽oilgroove油封oilsealinternalthread大径majordiameter小径minordiameter螺距pitchofthread牙型formofthread旋向directionofturning左旋螺纹left-handthread头数numberofthread螺栓bolt螺柱stud螺母nuthole-basicsystemoffitsshaft-basicsystemoffits间隙clearancespurgear轮齿geartooth节圆pitchcircleheightofaddendumheightofaddendum齿厚circularthicknesssealingequipment粗糙度roughnessbasicsize最大极限尺寸maximumlimitof最小极限尺寸minimumlimitofupperdeviationlowerdeviation倾斜度angularity对称度symmetry跳动run-out轴测投影面planeofaxonometric正等轴测投