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1、Punchingdiehasbeenwidelyusedinindustrialproduction.Inthetraditionalindustrialproduction,theworkerworkveryhard,andtherearetoomuchwork,sotheefficiencyislow.Withthedevelopmentofthescienceandtechnologynowadays,theuseofpunchingdieintheindustialproductiongainmorea
2、ttention,andbeusedintheindustrialproductionmoreandmore.Self-actingfeedtechnologyofpunchingdieisalsousedinproduction,punchingdiecouldincreasetheefficienceofproductionandcouldalleviatetheworkburden，soithassignificantmeaningintechnologicprogressandeconomicvalue
3、.Thearticlemainlydiscussedtheclassification,featureandthedevelopmentaldirectionofthepnnchingtechnology.Elaboratedthepunchingcomponentsformationprinciple,thebasicdiesstructureandtherateprocessandtheprincipleofdesign;anddesignedsomeconventionalpunchingdie:thed
4、ieforbigdiameterthreedirectionpipewhichsolvedtheproblomoftraditionalmachining,thedrawingandpunchingcompounddiewithfloatpunch-matrix,thedrawingandcuttingcompounddieswithunalteredpress,thecompounddieforthebackbowlofthenoisekeeper,thedesignofthecompounddiewhich
5、couldproducetwoworkpiecesinonepunching,thebendingdiefortheringshapepart,thebendingdiewhichusedthegemel,automateloadingdieforcutting,thedrawing,punchingandburringcompounddieswithslidingautomatedloading,thepunchingdieforthelongpipewithtworowofhole,thedrawingdi
6、eforthesquareboxshapeworkpieceandtheburringdiefortheboxshapeworkpiece.Thepunchingdiesthatutilizedthefeatureofthenormalpunchshapedtheworkpieceintheroomtemperature,anditsefficiencyandeconomicsituationisexcellent.Thediesherediscussedcanbeeasilymade,conveniently
7、used,andsafelyoperated.Anditcouldbeusedasthereferenceinthelargescaleproductionofsimilarworkpieces.CADandCAMarewidelyappliedinmoulddesignandmouldmaking.CADallowsyoutodrawamodelonscreen,thenviewitfromeveryangleusing3-Danimationand,finally,totestitbyintroducing
8、variousparametersintothedigitalsimulationmodels(pressure,temperature,impact,etc.)CAM,ontheotherhand,allowsyoutocontrolthemanufacturingquality.Theadvantagesofthesecomputertechnologiesarelegion:sh
