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1、丢嫩棘泪掇逆琶辑寇模亠承杼CharacteristicsofStampingandPropertiesof垦帐篾毗寨怏儆饪言曾鸵睦尤SheetMetalForming乞厌装汊诣整岬骟塬堵致摁处1．overview罚棂廓玫逄粪戚汀塑搽兜光灌Stampingisakindofplasticformingprocessinwhichapartisproducedbymeansoftheplasticformingthematerialundertheactionofadie.Stampingisusuallycarriedoutundercoldstate,soitisalsocalledst
2、amping.Heatstampingisusedonlywhentheblankthicknessisgreaterthan8~100mm.Theblankmaterialforstampingisusuallyintheformofsheetorstrip,andthereforeitisalsocalledsheetmetalforming.Somenon-metalsheets(suchasplywood,micasheet,asbestos,leather)canalsobeformedbystamping.箅幡阱綦瘫嘛镜磋卯碌吲雍嫂Stampingiswidelyusedin
3、variousfieldsofthemetalworkingindustry,anditplaysacrucialroleintheindustriesformanufacturingautomobiles,instruments,militarypartsandhouseholdelectricalappliances,etc.恙妩椁挠亿郴褫劁汜佶衰臬甩Theprocess,equipmentanddiearethethreefoundationalproblemsthatneededtobestudiedinstamping.鸾挖纰璩囵跋慕裙钝肪夥澍晨Thecharacteristi
4、csofthesheetmetalformingareasfollows:棺欠骅囵镅勃砼楠腓倨薛丝泻(1)Highmaterialutilization秤衡廷贬梭厅膪迮瘪砚铌袼蟋(2)Capacitytoproducethin-walledpartsofcomplexshape.脒壁蛘岚燔缠婴坏谢章眨亨诃(3)Goodinterchangeabilitybetweenstampingpartsduetoprecisioninshape屡翱热伸倮寝嫉翩鳓埃疫槔懂anddimension.妥窃蓰蘅觖谯省柚省玛蔑莅螋(4)Partswithlightweight,high-strengthan
5、dfinerigiditycanbeobtained.老乇窝假藓敢岢鬃辙少孔比滠(5)Highproductivity,easytooperateandtorealizemechanizationandautomatization.峁畛攵简怙卅因发觥衡荒卜撩Themanufactureofthestampingdieiscostly,andthereforeitonlyfitstomassproduction.Forthemanufactureofproductsinsmallbatchandrichvariety,thesimplestampingdieandthenewequipme
6、ntsuchasastampingmachiningcenter,areusuallyadoptedtomeetthemarketdemands.嵫扉噩围咄朗感鼽蜣卿铁缨涸Thematerialsforsheetmetalstampingincludemildsteel,copper,aluminum,magnesiumalloyandhigh-plasticityalloy-steel,etc.鞣陛韶保里僦嗅耻叠皋幡岩束Stampingequipmentincludesplateshearpunchingpress.Theformershearsplateintostripswitha
7、definitewidth,whichwouldbepressedlater.Thelatercanbeusedbothinshearingandforming.总薄脐蛤嶷鲺慊鳃辆劈宦怿岑2．Characteristicsofstampingforming辟牒帘檬杉赇枧丞檗散诗甫襄Therearevariousprocessesofstampingformingwithdifferentworkingpatternsandnames
