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Simulation of the deflected cutting tool trajectory in complex surface milling

Abstract : Since industry is rapidly developing, either locally or globally, manufacturers witness harder challenges due to the growing competitivity. This urges them to better consider the four factors linked to production and output: quality, quantity, cost and price, quality being of course the most important factor which constitutes their main concern. Efforts will be concentrated--in this research--on improving the quality and securing more accuracy for a machined surface in ball-end milling. Quality and precision are two essential criteria in industrial milling. However, milling errors and imperfections, duemainly to the cutting tool deflection, hinder the full achieving of these targets. Our task, all along this paper, consists in studying and realizing the simulation of the deflected cutting tool trajectory, by using the methods which are available. In a future stage, and in the frame of a deeper research, the simulation process will help to carry out the correction and the compensation of the errors resulting from the tool deflection. The corrected trajectory which is obtained by the method mirror will be sent to the machine. To achieve this goal, the next process consists--as a first step--in selecting a model of cutting forces for a ball-end mill. This allows to define--later on--the behavior of this tool, and the emergence of three methods namely the analytical model, the finite elements method, and the experimental method. It is possible to tackle the cutting forces simulation, all along the tool trajectory, while this latter is carrying out the sweeping of the part to be machined in milling and taking into consideration the cutting conditions, as well as the geography of the workpiece. A simulation of the deflected cutting tool trajectory dependent on the cutting forces has been realized.
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Moez Smaoui, Zoubeir Bouaziz, Ali Zghal, Gilles Dessein, Maher Baili. Simulation of the deflected cutting tool trajectory in complex surface milling. International Journal of Advanced Manufacturing Technology, Springer Verlag, 2011, vol. 56, pp. 463-474. ⟨10.1007/s00170-011-3213-x⟩. ⟨hal-00793552⟩

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