Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect

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Nội dung chi tiết: Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect

Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect

Nonlinear Constrained Optimization of the CoupledLateral and TorsiKHOTHI BUGrill System withCOMStudent • Hoang Tien DatAdvisor • Prof. An-Chen LeeJuly

Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect y 14th, 2015Nonlinear Constrained Optimization of the Coupled Lateral and Torsional Micro-Drill System with Gyroscopic EffectStudent : Hoang Tien DalA

dvisor ■ An-Chen LeeMlSubmitted toNational Chiao Tung Universityin partial Fulfillment of the Requirements for the Degree of Master of ScienceN.COMEng Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect

ineeringinMechanical EngineeringJuly 14lh. 2015Hsinchu, Taiwan. Republic of ChinaiiNonlinear Constrained Optimization of the Coupled Lateral and Torsi

Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect

onal Micro-Drill System with Gyroscopic EffectStudent • Hoang Tien Dat Advisor : An-Chen Lee Department of Mechanical Engineering National Chiao Tung

Nonlinear Constrained Optimization of the CoupledLateral and TorsiKHOTHI BUGrill System withCOMStudent • Hoang Tien DatAdvisor • Prof. An-Chen LeeJuly

Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect s, machining of plastics and ceramics. The improvement of cutting performance in tool life, productivity and hole quality is always required in micro

drilling.EẼprHHyVvr.In this research, a dynamic mo'del of micro-!drill tool is optimized by the interior-point method. To achieve the main purpose, th Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect

e finite element method (FEM) is utilized to analyze the coupled lateral and torsional micro-drilling spindle system with the gyroscopic effect. The T

Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect

imoshenko beam finite element with five degrees of freedom at each node is applied to perform dynamic analysis and to improve the accuracy of the syst

Nonlinear Constrained Optimization of the CoupledLateral and TorsiKHOTHI BUGrill System withCOMStudent • Hoang Tien DatAdvisor • Prof. An-Chen LeeJuly

Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect otational inertia during machining. The Hamilton's equations of the system involving both symmetric and asymmetric elements were progressed. The later

al and torsional responses of drill point were figured out by Newmark’s method.The aim of the optimum design is to find some optimum parameters, such Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect

as the diameters and lengths of drill segments to minimize the lateral amplitude response of the drill point. Nonlinear constraints are the constant m

Nonlinear constrained optimization of the coupled lateral and torsional micro drill system with gyroscopic effect

ass and mass center and harmonic response of the drill. The FEM code and optimization environment are implemented in MATLAB to solve the optimum probl

Nonlinear Constrained Optimization of the CoupledLateral and TorsiKHOTHI BUGrill System withCOMStudent • Hoang Tien DatAdvisor • Prof. An-Chen LeeJuly