资源描述：
《电火花加工技术在模具制造中的加工应用（the application of edm technology in die manufacturing）》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、电火花加工技术在模具制造中的加工应用（TheapplicationofEDMTechnologyindiemanufacturing）TheapplicationofEDMTechnologyindiemanufacturing2011-09-2215:20source:114mechanicalnetworktoshare:thenumberofvisits:0times,theworldtodayischangingwitheachpassingday,allwalksoflifearedevelopingveryfast.Amongthem,thedevelopmentofmate
2、rialsscienceandthedevelopmentofthemachineryindustryareparticularlyrapid,andthelinksbetweenthetwoindustriesarebecomingmoreandmoreclose.Amongthem,averyspecificperformanceisthatwiththedevelopmentandprogressofmaterialsscience,inordertomeettheneedsofsomespecialcircumstances,alargenumberofhigh-strength
3、Intoday'sworld,witheachpassingday,allwalksoflifearedevelopingrapidly.Amongthem,thedevelopmentofmaterialsscienceandthedevelopmentofthemachineryindustryareparticularlyrapid,andthelinksbetweenthetwoindustriesarebecomingmoreandmoreclose.Amongthem,averyspecificperformanceiswiththedevelopmentofmaterial
4、science,inordertomeettheneedsofsomespecialcircumstances,alargenumberofhighstrength,highhardness,hightoughness,highbrittleness,hightemperatureandotherspecialpropertiesofdiematerialshavebeenproduced,whichhasbroughtmanydifficultiesandproblemstothetraditional.Withthetraditionalprocessingmethodstomeet
5、therequirements.Asfortheworkpiecewithcomplexstructures,suchascomplexcavitydieholemodelbycuttingthetraditionalmethodsitisoftendifficulttoachieve,sopeopleintheproductionofsomenewmethods,andsomehavebeenwidelyused.Amongthem,EDMisoneofthem.Itiswidelyusedindieandmouldmanufacturingindustry.First,themech
6、anismandcharacteristicsofEDMElectricaldischargemachining(EDM)isamethodofmachiningworkpiecesinacertainmediumbymeansofelectricalerosionbetweentheelectrodesofthetoolandthedischargeoftheelectrodesbetweentheworkpieces.TheprincipleofEDMisshowninthefollowingfigure.Automaticfeedadjustmentdeviceforthe3hyd
7、rauliccylinderandpistontokeepdischargebetweenthetoolandtheworkpieceinasmallgap,whenthepulsevoltageappliedbetweenthepoles,thenatthattimeundertheconditionsofrelativetoaminimumgaportheinsulationstrengthoftheweakestbreakdo
