资源描述：
《外文翻译冲压成形与板材冲压》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。
1、CharacteristicsandSheetMetalForming1．ThearticleoverviewStampingisakindofplasticformingprocessinwhichapartisproducedbymeansoftheplasticformingthematerialundertheactionofadie.Stampingisusuallycarriedoutundercoldstate,soitisalsocalledstamping.Heatstampingisusedon
2、lywhentheblankthicknessisgreaterthan8~100mm.Theblankmaterialforstampingisusuallyintheformofsheetorstrip,andthereforeitisalsocalledsheetmetalforming.Somenon-metalsheets(suchasplywood,micasheet,asbestos,leather)canalsobeformedbystamping.Stampingiswidelyusedinvar
3、iousfieldsofthemetalworkingindustry,anditplaysacrucialroleintheindustriesformanufacturingautomobiles,instruments,militarypartsandhouseholdelectricalappliances,etc.Theprocess,equipmentanddiearethethreefoundationalproblemsthatneededtobestudiedinstamping.Thechara
4、cteristicsofthesheetmetalformingareasfollows:(1)Highmaterialutilization(2)Capacitytoproducethin-walledpartsofcomplexshape.(3)Goodinterchangeabilitybetweenstampingpartsduetoprecisioninshapeanddimension.(4)Partswithlightweight,high-strengthandfinerigiditycanbeob
5、tained.(5)Highproductivity,easytooperateandtorealizemechanizationandautomatization.Themanufactureofthestampingdieiscostly,andthereforeitonlyfitstomassproduction.Forthemanufactureofproductsinsmallbatchandrichvariety,thesimplestampingdieandthenewequipmentsuchasa
6、stampingmachiningcenter,areusuallyadoptedtomeetthemarketdemands.Thematerialsforsheetmetalstampingincludemildsteel,copper,aluminum,magnesiumalloyandhigh-plasticityalloy-steel,etc.Stampingequipmentincludesplateshearpunchingpress.Theformershearsplateintostripswit
7、hadefinitewidth,whichwouldbepressedlater.Thelatercanbeusedbothinshearingandforming.2．CharacteristicsofstampingformingTherearevariousprocessesofstampingformingwithdifferentworkingpatternsandnames.Buttheseprocessesaresimilartoeachotherinplasticdeformation.Therea
8、refollowingconspicuouscharacteristicsinstamping:（1）．Theforceperunitareaperpendiculartotheblanksurfaceisnotlargebutisenoughtocausethematerialplasticdeformation.Itismuchlessthanthein
