stamping and sheet metal forming——冲压成形和板材冲压【中英

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1、STAMPINGANDSHEETMETALFORMING——冲压成形和板材冲压【中英文对照】STAMPINGANDSHEETMETALFORMINGStampingisakindofplasticformingprocessinwhichapartisproducedbymeansoftheplasticformingthematerialundertheactionofadie，stampingisusuallycarriedoutundercoldstate,soitisalsocalledstamping,heatstam

2、pingisusedonlywhentheblankthicknessisgreaterthan8-100mm.theblankmaterialforstampingisusuallyintheformofsheetorstrip,andthereforeisitalsocalledsheetmetalforming.Somenon-metalsheets(suchasplywood.Micasheet,asbestos.Leather)canbeformedbystamping.Stampingiswidelyusedinva

3、riousfieldsofthemetalworkingindustry.Anditplaysacrucialroleintheindustriesformanufacturingautomobiles.Instruments.Militarypartsandhouseholdelectricalappliances.EtcTheprocess,equipmentanddiearethethreefoundationalproblemsthatneededtobestudiedinstamping.Thecharacterist

4、icsofthesheetmetalformingareasfollows;highmaterialutilizationcapacitytoproducethin-walledpartsofcomplexshapeGoodinterchangeabilitystampingparesduetoprecisioninshapeanddimension.Partswithlightweight.High-strengthandfinerigiditycanbeobtained.Highproductivity.Easytooper

5、ateandtorealizemechanizationandautoimmunization.Themanufacturerofthestampingdieiscostly.Andthereporeitonlyfitstomassproductionforthemanufactureofproductsinsmallbatchandrichvariety.Thesimplestampingdieandthenewequipmentsuchasastampingnothingcenterareusuallyadoptedtome

6、etthemarketdemands.Thematerialsforsheetmetalstampingincludemildsteel.Copper,Aluminum,Magnesiumalloyandhigh-plasticityalloy-steel,etc.Stampingequipmentincludesplateshearpunchingpress.Theformershearsplateintostripswithadefinitewidth,whichwouldbepressedlater,thelaterbeu

7、sedbothinshearingandforming.2,characteristicsofstampingformingThreearevariousprocessesofstampingformingwithdifferentworkingpatternsandnames.Buttheseprocessesaresimilartoeachotherinplasticdeformation.Thesearefollowingconspicuouscharacteristicsinstamping;Theforceperuni

8、tareaperpendiculartotheblanksurfaceisnotlargebutisenoughtocausethematerialplasticdeformationitismuchlessthantheinnerstressesonthepl