钻削过程的有限元数值模拟

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1、题目钻削过程的有限元数值模拟学生姓名学号所在学院专业班级指导教师______完成地点___钻削过程的有限元数值模拟[摘要]孔的钻削加工是一种常见且非常重要的金属加工工艺,而麻花钻是钻孔加工中最常用到的刀具。本文采用的是有限元软件DEFORM-3D，建立了麻花钻钻削的三维有限元模型。用有限元法动态模拟了钻削加工过程，获得了麻花钻在加工孔过程中连续切屑的形成，验证了钻削过程动态有限元模拟的可行性。分析比较了在不同的钻削速度下，钻削过程中温度的变化情况；工件的应力、应变、应变速率的变化情况；麻花钻所受的载荷分布情况。[关键字]钻削;有限元模拟;麻花钻;应力;应变FiniteEl

2、ementSimulationOfTheDrillingProcessAbstract:Wholedrillingisacommonandveryimportantmetalprocessing,drillingandtwististhemostcommonlyusedtools.Inthispaper,usingthefiniteelementsoftwareDEFORM-3D,athree-dimensionalfiniteelementmodeloftwistdrillwithdrillingwasestablished.FEMdynamicsimulationof

3、drillingprocess,accesstothetwistdrillholeintheprocessofcontinuouschipformation,verifyingthefeasibilityofdynamicfiniteelementsimulationofdrillingprocess.Comparativeanalysisofthedifferentdrillingspeeds,drillingduringtemperaturechanges;workpiecestress,strain,strainratechanges;twistdistributi

4、onoftheloadsuffered。KeyWords:Drillingoff;Finiteelementsimulation;Stress;Strain目录目录..............................................................................................................................................................I1.绪论............................................

5、........................................................................................................11.1本课题的来源和目的及意义..............................................................................................11.1.1课题来源.................................................................

6、........................................................11.1.2本课题研究的目的......................................................................................................11.1.3本课题研究的意义......................................................................................................1

7、1.2国内外研究现状及发展方向............................................................................................11.2.1有限元方法（FEM）在切削方面的研究应用.......................................................11.2.2切削加工过程有限元模拟的研究现状........................................................