磨粒叶序排布的电镀cbn砂轮磨削温度场分析

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1、沈阳理工大学硕士学位论文AbstractGrindingoccupiestheimportantpositioninmachining，itisusuallyusedforprecisionandultra-precisionmachining．Withtherapiddevelopmentofmanufacturingindustry,traditionalgrindingcannotmeettheae,cdofcurrentmanufacturing．Thesuperficialabrasivesofthet

2、raditionalgrindingwheelhavenoregularpattern，whichwillblockgrindingwheel、generategrindingburn、n：函Kemachiningqualityandshortenthelifespanofwheel．Relatedresearcheshaveprovedthattheeffectofgrindingwheelwithorderingpatternisbetterthantraditionaldisorderinggrinding

3、inallaspects．However,nofurtherresearchesaboutgrainspatternarestudied．ThispaperappliesphyllotaxistheoryingrainspatternandsuccessfullymakesseveralCBNwheelswithorderingpatternwhichhavedifferentphyllotaxiscoefficients．Thedistributionofwork-piecetemperatureisstudi

4、edbysimulationunderdifferentgrindingconditionsandphyllotaxiscoefficients．Firstly,thispaperdesignsthephyllotacticpatternwheelmodelonthebasisofthephyilotaxistheoryandmakesthegrindingwheel．WedotheresearchonthemethodofthecriticalprocesswhichconsistsoftheCBNwheele

5、xposureandtheabrasivesaddingmethod．Theintensityoflight、thedistancewhichisbetweenmaskandlightsourceandtheexposingtimeallaffectexposureresult．Thebestexposureschemeisconfirmedthroughmanyexperiments．Byusingthemethodofsubsectionaddingabrasives，weapplyfallingabrasi

6、vesmethodtocylndricalsurface．Inspiteoftime-consuming，itcanensureworkingefficiency．Byconductingelectroplatingexperiments，wheelswhichkeepshighholdingstrengthfol‘abrasivesandhasgoodregularityofdistributionaI．edesignedSecondly，byanalyzingthephyllotaxispatterntheo

7、ryandthegenerationmechanismofgrindingtemperature，therelationshipbetweenthephyilotaxiscoefficientsandgrindingtemperatureisresearched．Researcheshaveprovedthatthe沈阳理工大学硕士学位论文criticalfactorswhichaffectthecylindricalphyllotaxispaaemarephyllotaxisangleandphyllotaxi

8、scoefficients．Phyilotaxisangleissetto137．508。andphyllotaxiseoefficientsantcnni∽饿e朗嘲lb髓of越躲曝iv妫．By瑚i峰融鞠埝擎汹l硼随lys过期积h日d，the心l破io^slIipbetween氆c删bt∞洳p融tem黼ttheremarkableslol盼curvea靶obtained．