基于遗传算法的数控铣加工切削参数优化及仿真研究

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1、西南交通大学硕士学位论文基于遗传算法的数控铣加工切削参数优化及仿真研究姓名：孙小刚申请学位级别：硕士专业：机械制造及其自动化指导教师：丁国富20080401西南交通大学硕士研究生学位论文第ll页AbstractItisanimportantandimpIicatedworktochoosethereasonabIemachiningparametersduringthedesignofthemachillingprocess．Thekeyissuesaretodecidetheseindexesofthemachiningq

2、uaIity．productivity。costandtheutiIizationofequipments．ThepaperproposeawayoftheoptimizationofthemiflingparametersbasedonthedistortiongeneticaIgorithms．meanwhiIeoffersaPIatformtogetthereasonabteoutt；ngparametersforthemiIingoperationswhichisgroundonengineeringdatabase

3、．itisusedtoimproveproductionefflciency，reduceproducecostandimprovesurfacequaIity．MainachievementsareasfollOWS：1estabIishthemanagementsystemsofmiIingparameters．ByanaIyzingthefunctionofthesystemandprocesses．theentitymodeIconverttothereIationmodeI．thedesignofengineeri

4、ngdatabaseofmiIingparametershasbeencompIetedbyusingtherelationdatabase。fmpiementationthemanagementofmachine．tooIsandmateriaIparameters．·2Basedonthetheor；esoftheouttingmetaI．thestudyhasdeveIopedtherenditionaIoptimizationmodeIbythefunctionsofmiIingparameter’soptjllli

5、zation。thefunctionsoftheconstraintconditionofmachiRetooI：cuttingtooI．materiaI．etc．Bycontrastingtoexperjenceparameter．wefindthatsurfaceroughnessandproducecostpIaydown．productionefficiencystepupifweadoptoptimizedparameter．3SimuIateconcIusionprovetrue．AIsodependexpand

6、ingmacrodefjnitiontothecentreIdocumentthattheVERlCUThasbeenaireadyhaven，canmaketheVERICUTcontroItooIandmachiRetocarryonsimuIationtoaImostaIInumbersreaIIY。expandthescopeofsimuIation．4TheoptimizatiollofthemiIingparametersofamiIingoperatior}hasbeendeveIopedandtheaIter

7、nateinterfacesweredeveIopedusingtheprogrammingmethodoforientobject．Withtheabove-mentioned，thesystemcanrapidIYandreasonabIYdecidethecuttingspeed．thefeedofacutting-tooI’stooth．thecutting西南交通大学硕士研究生学位论文第1II页depthbytheconditionofcurtingtooI，materiaIofworkPiece．andthere

8、quiredquaIityinVC++6．0．ThedatabasedependsontheSQLSever2000database．TheaIgorithmsaretheVCGA．Keywords：Engineeringdatabase；curting-tooI’Stooth：cutti