砂輪約束磨料噴射外圓磨削加工機理的研究.pdf

1、東北大學碩士學位論文砂輪約束磨料噴射外圓磨削加工機理的研究姓名：劉西英申請學位級別：碩士專業(yè)：機械制造及其自動化指導教師：原所先20070201東北大學碩士學位論文Abstract■__；==j______E；；ij；；=ja■■■■■■■●●■●■■■●●■■●■______■__‘|ij目j_j；____■■●■■■■■■●●■■■■■●●___目■i|；|__IlllStudyontheMechanismforAbrasiveJe

2、tFinishingwithWheelRestrictioninCylindricalGrindingAbstractInthisthesisauthorinventanewlyabrasivejetprecisionfinishingmethodwhich蠲ectslurryofabrasiveandliquidsolventtogrindingzoneunderhaven’tdepthofcutinfeedconditionwhen

3、accomplishedworkpieceoilcylindrical鰣ndingTheabrasiveparticleswithgrindingwheelasrestraintaledrivenandenergizedbytherotatinggrindingwheelandliquidhydrodynamicpressureandincreasedslurryspellbetweengrindingwheelandworksurfa

4、ceachievedmicroremovalfinishingprocessTheinvestigateshowingthemicroremovalmachiningwithgrindingwheelasrestrainnotonlytoattainhighersurfae：cformaccuracybutalsotoc弛acquireefficientlyfreedefectsfinishingsurfacewithRa015—06“

5、mandfinallyachievehighefficiencyhighprecisionandlowroughnessvaluesfurthermoreIntegratinggrindingprocessandpolishingintoonefeaturesnamelysurfaceprecisionfinishingInthepaperthesystematicalresearchollthemechanismandsurfacec

6、haracteristicofmachinedsurfaceforabrasivejetfinishingwithgrindingwheelasrestraintbytheoreticalandexperimentalinvestigationandaseriesofworthyresearchresultshavebeenobtainedThedetailsofthestudywereasfollowing：(1)Thefunctio

7、n，sorts，traitanddevelopmentofthefinishingtechnologyweresummarizedEspeciallythelooseabrasivefinishingtechniqueandthelatestachievementofthedomesticandinternationalwereespeciallyanalyzed。Theintentionandsignificanceofthetopi

8、cresearchwasalsointroduced(2)Thethesishadexpatiatedworkingprinciplewhichtheinnovativet0combineAbrasiveJetMachiningandconventionalgrindingtogetherandmodeledanewsortofg血dingwheelpegabrasivejetprocessmodeAndthethreedimensio

9、nalhydrodynamicpressureonmodelingofwedgelikegrindingzonebetweenwheelandworkpieceonabrasivejetfinishingwithwheelasrestraintwasestablishedandsimulationbasedonNavierStokesandcontinuityequationsTheliquidhydrodynamicpressured

10、istributingprincipleandaffectingfactorwereinvestigatedThehydrodynamicpressureatwedgelikeZOHebetweenwheelandpartwasinvestigatedexperimentallyTheexperimentalresultsshowedthetheoreticalmodeljsagreementwithexperimentalresult