A grey and fuzzy algorithms integrated approach to the optimization of turning Hadfield steel with Al2O3_TiC mixed ceramic tool.pdf

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1、journalofmaterialsprocessingtechnology207(2008)89–97journalhomepage:www.elsevier.com/locate/jmatprotecAgreyandfuzzyalgorithmsintegratedapproachtotheoptimizationofturningHadfieldsteelwithAl2O3/TiCmixedceramictoolJenn-TsongHorng,Ko-TaChiang∗DepartmentofMechanicalEngineering,Hsiu

2、PingInstituteofTechnology,No.11,GungyeRoad,DaliCity,Taichung41280,Taiwan,ROCarticleinfoabstractArticlehistory:ThispaperfocusesonthedevelopmentofafastandeffectivealgorithmtodetermineReceived19September2006theoptimummanufacturingconditionsforturningHadfieldsteelwithAl2O3/TiCmixe

3、dReceivedinrevisedformceramictoolbycouplingthegreyrelationalanalysiswiththefuzzylogic.Theflankwear9October2007andsurfaceroughnesswereadoptedtoevaluatethemachiniablityperformances.Vari-Accepted14December2007ouscuttingparameters,suchascuttingspeed,feedrate,depthofcutandnoseradiu

4、softoolwereexploredbyexperiment.Anorthogonalarraywasemployedfortheexperimen-taldesign.Thisproposedalgorithmobtainsagrey–fuzzyreasoninggradetoevaluatetheKeywords:multipleperformancecharacteristicsthroughthegreyrelationalcoefficientofeachperfor-Greyrelationalanalysismancecharact

5、eristic.Theresponsetable,responsegraphandanalysisofvariance(ANOVA)FuzzywereusedtofindtheoptimallevelsandtheeffectofcuttingparametersontheflankwearOptimizationandsurfaceroughness.AconfirmationtestwithintheoptimalmachiningparameterswasHadfieldsteelconductedtoindicatetheeffectivenes

6、softhisproposedalgorithm.ExperimentalresultsCeramictoolhaveshownthattherequiredperformancecharacteristicsintheturningprocesshavegreatimprovementsthroughthisproposedalgorithm.©2007ElsevierB.V.Allrightsreserved.1.Introductionthroughexperimentalmethodsandmathematicalandsta-tisti

7、calmodeshavegrownsubstantiallyovertimetoachieveAmongmetalcuttingtechniquestheturningisoneoftheacommongoalofimprovinghighermachiningprocesseffi-importantandwidelyusedmanufacturingprocessesinengi-ciency.neeringindustry.WithregardtothequalitycharacteristicsofTheausteniticHadfields

8、teelcontainingaboutturningproducesparts,someoftheproblemsincludesur-