混粉電火花加工工藝的研究與應用.pdf

1、大連理工大學碩士學位論文混粉電火花加工工藝的研究與應用姓名：朱玲龍申請學位級別：碩士專業(yè)：機械制造及自動化指導教師：趙福令20000301AbstractAttherecentfewyears，therequirementforthehighsurfacequalityofmouldsanddiesiSmoreurgentthaneverbeforewhichmakestheEDMmirrormanufacturingregardedT

2、oobtailllongoperating1ifeofmouldsanddies，thiStechnologyiSteducethesurfaceroughnessandenhancethemechanicalPerformanceThiSpaperintroducestheprimaryprinciPleandthemajormethodsofEDMfinishmachiningincludetheplanetaryEBM，themu

3、lti—electrodeEDM，thepowdermixed—dielectricEDMandSOonThentheprocessofthepowdermixeddielectriCEDMwasStressedinthiSpaperSomephenomenahappenintheproceSSofEDMingwereexplainedwhenfinepowderiSintroducedintothedieleetricfluidasa

4、suspensionatthetool—workpieceorinter—electrodegapSomeexplanationwouldalSObegivenAtlast，wedidsomeexperimentstodemonstratetheeffectbyintroducingthepowderintothedielectricinEDMingThepaperindicatesthattheappropriatesettingso

5、felectricalparameters，thesuffieientmachiningtime(about15hours)iSnecessarytoaehievethemirror—finesurface(Ra=0217um)oftheworkpieceinarea100XlOOmm；Keywords：EDM，Powdermixed—dielectricEDM，F(xiàn)inishmachining，Mirrorfinishmachjning