球头铣刀铣削加工过程的动力学建模及仿真

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1、浙江工业大学硕士学位论文球头铣刀铣削加工过程的动力学建模及仿真姓名：孙孟琴申请学位级别：硕士专业：机械制造及其自动化指导教师：翁泽宇20060401浙江工业大学硕士学位论文5．以Matiab为工具，依据系统参数、仿真参数，用龙格一库塔法对球头铣刀不同铣削加工参数(每齿进给量、主轴转速、铣削深度等)下的铣削加工过程进行了仿真，同时对稳定性及自激振动也进行了仿真，分析了铣削过程中铣削参数对铣削振动及稳定性的影响。关键词：球头铣刀，铣削力建模，实验模态参数辨识，仿真浙江工业大学硕士学位论文ONTHEDYNAMICSOFTHEMILLING0FBALLENDMILLING：

2、MODELn町GOFCUTTINGFORCESANDSIMULATl0NABSTRACTThispaperpresentsadynamicforcemodelandastabilityfortheballendmilling，baseddifferentialgeometryparameters，metalcuttingtheoryandmachinetool，vibrationmeasuring，testingandidentifying．TheMatlabsystemisemployedtosolvethedifferentialequationsgoverni

3、ngthedynamicsoftheballendmillingsystemforaccuratemodel，usingthecomputersimulationcanpresentthetimedomainchattermodelrepresentedbythetool-workdisplacementsandcuttingforcevariationsagainstcurerrevolution．Thetimedomainsimulationforthemillingoftheballendmillingwiththeanalyticalpredictionss

4、howsthattheproposedresultiscapableofaccuratepredictionofthemanufacture．Themaincontentmaybesummarizedasfollows：1．Thispaperpresentstheballendmillingforcemodalwithasingle—pointincontinuouscuttingforceandthesimulationsystemofthecutting浙江工业大学硕士学位论文forceoftheballendmilling，basingonthemechani

5、csofmillingandtheballgeometrymodel．2．Thedynamicsmodelofthemillingballendmillingisassumedtobeasystemwithtwomodesintwomutuallyperpendiculardirections，usingthemechanicsoftheself-excitedvibration，mechanicsoftheposevibrationandtheessenceruleofmetalmillingtheory．3．Thecurveofthe仔equencyrespon

6、seisoutputtedbytheimposetesting．Thedynamicofballendmillingisdevelopedusingmodetestingandidentifying．4．Runge-Kuttamethodisemployedtosolvethedifferentialequationsgovemingthedynamicsofthemillingsystemforaccuratesolutionsandanalyzing．5．TheMatlabsystemisemployedtosolvethedifferentialequatio

7、nsgovemingthedynamicsoftheballendmillingsystemforaccuratemodel，analyzingtheinfluenceofthemillingparametersonthevibrationandstability．Keyword：theballendmilling，millingofthecuttingforces，modetestingandidentifying，simulation浙江工业大学学位论文原创性声明本人郑重声明：所提交的学位论文是本人在导师的指导下，独立进行研究工作所取得的研究成果。除文中已经