《零件图的尺寸标注》课件

《零件图的尺寸标注》课件PPT课件介绍PPT零件图尺寸标注概述What isDimensioningLearn thefundamental conceptsof dimensioning in engineeringdrawings anditsimportance inmanufacturing processes.Purpose ofDimensioningUnderstand whydimensioning iscrucial tocommunicate designintent,manufacturingrequirements,and ensureproduct quality.Types ofDimensioningExplore differenttypes ofdimensioning,including size,location,and geometrictolerancedimensioning.尺寸标注规则1General RulesDiscoverthe essentialrules andguidelinesfor placingdimensions,Dimensioning Techniques2including layout,extension lines,arrowheads,and text.Learn varioustechniques fordimensioningcommon geometricfeaturessuch aslines,arcs,circles,3Tolerance andPrecisionand holes.Understand how to specifytolerancesand ensurethe desiredlevelof precisionin dimensioning.常用标准符号介绍Symbol MeaningDiameter⌀ØZero⇄Total Runout尺寸标注实例解析Linear DimensioningCircular DimensioningHole DimensioningExaminereal-world examplesExplore how to properlyLearn thetechniques foroflinear dimensioningfor dimensioncircles andcurved dimensioningholes,includinglength,width,and height.features inengineering diameter,depth,anddrawings.positional tolerances.常见错误及避免方法1Insufficient2Inconsistent3Incorrect PlacementDimensionsDimensioningAvoid costlyerrors byIdentifycommon Learnhowtomaintain understandingwheremistakes likemissing consistencyin andhowtoplaceor incompletedimensioning style,dimensions forclaritydimensions andavoid units,and tolerancesand easeofthem inyour drawings.throughout yourmanufacturing.drawings.补充说明及总结Additional InformationSummary•Explore advanceddimensioning Recapthe keypoints coveredin thetechniquesfor complexfeatures.presentation andemphasize theimportance ofaccurateand cleardimensioningin•Understand theimpact ofdimensioningengineering drawings.on costand manufacturability.。