小孔相贯线电解去毛刺工艺试验分析

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1、EXPER田ⅥENTALR皿SEARCHONTHEINTERSECTIONLINEOFPINHoLEELECTRoCHEMICALDEBURRINGABSTRACTAllkindsofthesharpcomers，edgesandotherirregularburrs(especiallytheinnersurfaceofpinhole)areproducedinpartssurfaceofthemachiningprocess．Althoughburrsaresmall，thehazardscausedbyburrsarever

2、ylarge．Atpresent，manualandmechanicalmethodsarecommonlyusedfordeburring．Theyaretime-consuming，greatlaborintensityanddifficulttoensurethequalityofdeburring．Atthesametime，becauseofcomplexityinshape，thedeburringbecomesmoreandmoredifficult．Aimingataboveproblems，theinnersur

3、faceofpinholeECMdeburringisresearchedinthispaper．ECMisappliedtothemachiningburrremoval，andmorereflectsthebreadthofitstechnology．ECMdeburringandtraditionalECMaredifferentthatformerisrequiredforsmallerflowandlowerpressure．TheintersectionlineofpinholeECMdeburringcathodei

4、sdesignedandtheANSYSsoftwareisusedinECMtostudythe2Delectricfieldofintemalcathodewhichismoreaccuratetoguidetheproblemofdesigningcathodeinefficientlyandhigh-costlyCanbesolved．Themaincontentsasfollows：1)Thekeytechnologyofthepinholeintersectionlinedeburringissummarized．Ba

5、sedonECMmethod，theintersectionlineofpinholeburrwhichiSformedwith45steeldrillingisused，thecathodeoftheECMdeburringisdesignedthoughthefeatureofECMmachinet001．2)Basedonfiniteelementmethod(FEM)．thevoltagemodeloftheintersectionlineofpinholeECMdeburringisbuilt，thecontourcur

6、veoftheintersectionlineofpinholeECMdeburringisgottenbywayofanalysissolvers．Theprocessingtime，voltageparametersareanalyzedwhichareaffectedthearCinECMdeburring．3)BasedonthemodelofECMdeburring，thedifferentparametersaresetandsolvedbyFEM，thecontourcurveofdifferentprocessti

7、mesandvoltagesaregotten．Theprocesscurvesaredetectedbyexperimentalresearch．ThesimulationresultsandthetestresultsareII摘要basicallysamethoughcomparativeanalysis．TheFEMmodelofaccuracyisverified．ItisanimportantguidingsignificanceinECMdeburring．KEYwORDS：Electrochemicalmachin

8、ing；Deburring；Finiteelementmethod；ExperimentIII第一章绪论第一章’绪论1．1电解加工的原理及特点1．1．1电解加工的基本原理电解加工又称电化学加工(ElectrochemicalMachining．EC