模具设计与制造专业外文翻译--冲压成形与板材冲压.pdfVIP

模具设计与制造专业外文翻译--冲压成形与板材冲压

外文原文

CharacteristicsandSheetMetalForming

1.Thearticleoverview

Stampingisakindofplasticformingprocessinwhichapartis

producedbymeansoftheplasticformingthematerialundertheaction

ofadie.Stampingisusuallycarriedoutundercoldstate,soitis

alsocalledstamping.Heatstampingisusedonlywhentheblank

thicknessisgreaterthan8-100mm.Theblankmaterialforstampingis

usuallyintheformofsheetorstrip,andthereforeitisalsocalled

sheetmetalforming.Somenon-metalsheets(suchasplywood,micasheet,

asbestos,leather)canalsobeformedbystamping.

Stampingiswidelyusedinvariousfieldsofthemetalworking

industry,anditplaysacrucialroleintheindustriesfor

manufacturingautomobiles,instruments,militarypartsandhousehold

electricalappliances,etc.

Theprocess,equipmentanddiearethethreefoundationalproblems

thatneededtobestudiedinstamping.

Thecharacteristicsofthesheetmetalformingareasfollows:

(1)Highmaterialutilization

(2)Capacitytoproducethin-walledpartsofcomplexshape.

(3)Goodinterchangeabilitybetweenstampingpartsduetoprecision

inshapeanddimension.

(4)Partswithlightweight,high-strengthandfinerigiditycanbe

obtained.(5)Highproductivity,easytooperateandtorealize

mechanizationandautomatization.

Themanufactureofthestampingdieiscostly,andthereforeitonly

fitstomassproduction.Forthemanufactureofproductsinsmallbatch

andrichvariety,thesimplestampingdieandthenewequipmentsuchas

astampingmachiningcenter,areusuallyadoptedtomeetthemarket

demands.

Thematerialsforsheetmetalstampingincludemildsteel,copper,

aluminum,magnesiumalloyandhigh-plasticityalloy-steel,etc.

Stampingequipmentincludesplateshearpunchingpress.Theformer

shearsplateintostripswithadefinitewidth,whi