机械制造技术基础课件-Brief introduction of manufacturing t

SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnologyBriefIntroductionofManufacturingtechnologyManufacturingandAutomotionInstituteSchoolofMechanicalandAutomotiveEngineeringSouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology1.Whatismanufacturing?2.Whatismachining?3.Whatistraditionalmachining?4.Whatisnontraditionalmachining?5.Whatisthechallengesofmanufacturing?6.Whatisthedevelopmentofmachining?INDEXSouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology1.WhatismanufacturingSouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology1.Whatismanufacturing•Manufacturingistheuseofmachines,toolsandlabortomakethingsforuseorsale.Thetermmayrefertoarangeofhumanactivity,fromhandicrafttohightech,butismostcommonlyappliedtoindustrialproduction,inwhichrawmaterialsaretransformedintofinishedgoodsonalargescale.ironoreSouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnologyAmericanmanufacturersareacornerstoneofAmericaneconomyandembodythebestinAmericanvalues.TheyenhanceU.S.competitivenesswhileimprovinglivesdomesticallyandinternationally.Inthe“ManufacturinginAmerica”issuedbyU.S.DepartmentofCommerce1.WhatismanufacturingSouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnologySmilecurve1.WhatismanufacturingGeneraldefinitionNarrowdefinitionSouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology1.Whatismanufacturing?ManufactureMachiningForming:drawing,ballspinningMolding:Casting,injectionmouldingWelding:Electro-weldingBondingTraditionalMachiningNontraditionalMachiningAssembly……NarrowdefinitionSouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology•Classifiedinto3categories:subtractivemanufacturing,additivemanufacturing,NetForming。1.Whatismanufacturing?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology•去除制造成形（DislodgeForming\subtractivemanufacturing）：Removetheredundantmaterialfromworkpiecetoformapartintodesignedshapeanddimensions.1.Whatismanufacturing?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology•添加成形（additivemanufacturing）or堆积成形（StackingForming）：Createobjectbyjoinparticles,wiresorlaminatesintoadesignedshape,ortheliquidmaterialissolidificatedintoadesignedshapewithsomerestrain.1.Whatismanufacturing?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology•净尺寸成形（NetForming）又称受迫成形（ForcedForming）：是利用材料的可成形性，在特定外围约束下，将半固化的流体材料挤压成形后再硬化、定型。•多用于毛坯成形、特种材料或特种结构成形，也可直接用于最终部件成形。1.Whatismanufacturing?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnologyQuestions:couldyouclassifiedthefollowingmanufacturingmethodintotheabovecategories?PowdermetallurgyWeldingTuring1.Whatismanufacturing?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology2.Whatismachining?•Machiningisthemostimportanttypeofthemanufacturingprocesses.•Machiningcanbedefinedastheprocessofremovingmaterialfromaworkpieceintheformofchips.Themachiningiscalledmetalcuttingwhencuttingtoolisused.Ifgrindingwheelisused,theprocessiscalledgrinding.•Machiningisnecessarywheretighttolerancesondimensionsandfinishesarerequired.SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnologyDMG－CNC加工中心数控机床加工.flv2.Whatismachining?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnologyWhatistheimportanceofmachining?2.Whatismachining?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnologyDoyouknowwhichpartsaremadebymachiningpartinacar?2.Whatismachining?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnologyDoyouknowwhichpartsaremadebymachiningpartinatelephone?2.Whatismachining?Shell?Screw?Circuitboard?Button?Screen?Camera?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnologyTheapplicationofconventionalmachininginhigh-techindustryUnibodyvideo-TheNewMacbookPro[2011].flv2.Whatismachining?SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology3.Whatistraditionalmachining?Includingmechanicalforce•Traditional/Conventionalmachining,isaformofsubtractivemanufacturing,inwhichacollectionofmaterial-workingprocessesutilizingpower-drivenmachinetools,suchassaws,lathes,anddrillpresses,areusedwithasharpcuttingtooltophysicallyremovematerialtoachieveadesiredgeometry.SouthChinaUniversityoftechnologyFundamentalsofmachinemanufacturingtechnology3.Whatistraditionalmachining?Theprecisemeaningoftheterm“machining”hasevolvedoverthepasttwocenturiesastechnologyhasadvanced.DuringtheMachineAge,itreferredto(whatwetodaymightcall)the“traditional”machiningprocesses,suchasturning,boring,drilling,milling,broaching(拉),sawing,shaping（修整）,planing（刨）,reaming,andtapping（丝）,orgrinding.Sincetheadventofnewtechnologiessuchaselectricaldischargemachining,electrochemicalmachining,electronbeammachining,photochemicalmachining,andultrasonicmachining,thedefinitionconventionalmachiningcanbeusedtodifferentiatetheclassictechnologiesfromthenewerones.SouthChinaUniv