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ID:34586236
大小:14.67 MB
页数:77页
时间:2019-03-08
《磨粒叶序排布电镀立方氮化硼砂轮的磨削力的分析》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
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
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