FEM-based vibration control in end milling using fixture layout
by M. Sabareeswaran; K.P. Padmanaban; K.A. Sundararaman
International Journal of Machining and Machinability of Materials (IJMMM), Vol. 15, No. 3/4, 2014

Abstract: Fixtures are used to locate and constrain the workpiece during machining. They are used to accomplish the machining accuracy and high productivity in the manufacturing process. Fixture, workpiece and cutting tool form a structural system and the behaviour of the system is dynamic. During machining, engagement of cutter with workpiece causes vibration leads to distortion of workpiece, which in turn affects machining accuracy. The fixture-cutting tool-workpiece system needs to be analysed in terms of its dynamic response and is critical to minimise the vibration. In this research paper, finite element method is applied to model and simulate the machining operation and harmonic analysis is employed to determine the amplitude of vibration. Then, genetic algorithm is proposed to minimise the amplitude vibration by optimising the machining fixture layout.

Online publication date: Sat, 19-Apr-2014

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