磨粒叶序排布电镀立方氮化硼砂轮的磨削力的分析

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1、沈阳理工大学硕士学位论文AbstractWiththerapiddevelopmentofmanufacturingscienceandtechnology,thegrindinghasbecomethemosteffectiveprocessingmethodsofprecisionandultra-precisionmachining，andhasbeenwidelyuesdinpracticalproduction．Theabrasivedistributionontheworksurfaceofconventionalgrindingwheelis

2、stochasticregime，onlyalittleofabrasivegrainisreallyparticipatedingrindingwork，andthegrindingwheelsurfacecouldnotformweelspaceforholdingchipsSOthattheabrasivedustcaneasilydischargeandtheflowofcoolingfluid．Thissituationcontributestocausethegrindingwheelworkingsurfacej8_rn，highgrindi

3、ngtemperature，aswellasunfavorableuselargegrindingdepth，theprocessingefficiencyofgrindinghasbeenlimited．Therefore，howtoimprovethegrindabilityofgrindingwheelandgrindingefficiencybytheuseoftheorderedarrangementsofabrasivehasbecomeakeyissuetothefieldofgrindingtechnolog．Firstly,thetheo

4、ryofphyllotaxisinbotanyhasbeencombinedwiththegrindingtheoryinthispaper．andthenpresentanewtypeofordereddistributingofabrasive，theinfluenceofthephyllotacticparametersonthearrangementofgrainhavebeenanalyzed，andthegrindingwheelwithphyllotacticpatternhavebeendesignedthatbasedonappropri

5、atephyllotacticparameters．Secondly,thispaperhasanalyzedtherelationshipbetweenthephyllotacticcoefficientofgrowthandtheobviousonepairofparastichy,anddiscussthegrindingeffectiverateofsingle酣twithdifferentgrindingconditions，thenthetheoryofundeformedchipthicknessofsinglegrithasbeencorr

6、ected．Accordingtothedynamicactiveabrasivesinthegrindingprocessandthesingleabrasivegrindingforce，themathematicalmodelofgrindingforceofgrindingwheelwithphyllotacticpaRernhasbeenestablished．Then，thispaperparticularlyintroducetheprocessofmanufacturingthegrindingwheelwithphyllotacticpa

7、ttern，inwhichthekeyistobepreparedthephyllotacticpaaemmaskandappropriatemethodonthesand．Thegoodphyllotacticpatternmaskcouldbefabricatedbyusinglithographymethodandchoosingbetterexposuretime，atthesalTletimeadoptthemethodofsegmentationonthesand，andobtainahi曲sandpatingratio．沈阳理工大学硕士学位论

8、文Finally,thispaperpresentedasimul