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1、丟嫩棘淚掇逆琶輯寇模亠承杼CharacteristicsofStampingandPropertiesof墾帳篾毗寨怏儆飪言曾鴕睦尤SheetMetalForming乞厭裝汊詣?wù)凋~塬堵致摁處1．overview罰欞廓玫逄糞戚汀塑搽兜光灌Stampingisakindofplasticformingprocessinwhichapartisproducedbymeansoftheplasticformingthematerialundertheactionofadie.Stampingisusuallycarriedoutundercoldstate,soitisalsocalledst
2、amping.Heatstampingisusedonlywhentheblankthicknessisgreaterthan8~100mm.Theblankmaterialforstampingisusuallyintheformofsheetorstrip,andthereforeitisalsocalledsheetmetalforming.Somenon-metalsheets(suchasplywood,micasheet,asbestos,leather)canalsobeformedbystamping.箅幡阱綦癱嘛鏡磋卯碌吲雍嫂Stampingiswidelyusedin
3、variousfieldsofthemetalworkingindustry,anditplaysacrucialroleintheindustriesformanufacturingautomobiles,instruments,militarypartsandhouseholdelectricalappliances,etc.恙嫵槨撓億郴褫劁汜佶衰臬甩Theprocess,equipmentanddiearethethreefoundationalproblemsthatneededtobestudiedinstamping.鸞挖紕璩圇跋慕裙鈍肪夥澍晨Thecharacteristi
4、csofthesheetmetalformingareasfollows:棺欠驊圇镅勃砼楠腓倨薛絲瀉(1)Highmaterialutilization秤衡廷貶梭廳膪迮癟硯鈮袼蟋(2)Capacitytoproducethin-walledpartsofcomplexshape.脒壁蛘嵐燔纏嬰壞謝章眨亨訶(3)Goodinterchangeabilitybetweenstampingpartsduetoprecisioninshape屢翱熱伸倮寢嫉翩鰳埃疫槔懂a(chǎn)nddimension.妥竊蓰蘅觖譙省柚省瑪蔑蒞螋(4)Partswithlightweight,high-strengthan
5、dfinerigiditycanbeobtained.老乇窩假蘚敢岢鬃轍少孔比灄(5)Highproductivity,easytooperateandtorealizemechanizationandautomatization.峁畛攵簡怙卅因發(fā)觥衡荒卜撩Themanufactureofthestampingdieiscostly,andthereforeitonlyfitstomassproduction.Forthemanufactureofproductsinsmallbatchandrichvariety,thesimplestampingdieandthenewequipme
6、ntsuchasastampingmachiningcenter,areusuallyadoptedtomeetthemarketdemands.嵫扉噩圍咄朗感鼽蜣卿鐵纓涸Thematerialsforsheetmetalstampingincludemildsteel,copper,aluminum,magnesiumalloyandhigh-plasticityalloy-steel,etc.鞣陛韶保里僦嗅恥疊皋幡巖束Stampingequipmentincludesplateshearpunchingpress.Theformershearsplateintostripswitha
7、definitewidth,whichwouldbepressedlater.Thelatercanbeusedbothinshearingandforming.總薄臍蛤嶷鲺慊鰓輛劈宦懌岑2．Characteristicsofstampingforming辟牒簾檬杉賕枧丞檗散詩甫襄Therearevariousprocessesofstampingformingwithdifferentworkingpatternsandnames
