Optimum orientation of a torus milling cutter: Method to balance the transversal cutting force |
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Authors: | Patrick Gilles Frederic Monies Walter Rubio |
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Affiliation: | aLaboratoire de Génie Mécanique, Filière de Génie Mécanique, Bât. 3PN, 118 route de Narbonne, 31062 Toulouse Cedex 4, France |
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Abstract: | In this paper, a new method for tool positioning in milling on torus cutters with round inserts is presented. A new criterion associated with balancing of the transversal cutting force is used to compute a tool orientation. The considered tool inclination is towards the back of the tool. In this case, all inserts work simultaneously and generate a continuous cutting phenomenon. Each of the inserts produces a transversal cutting force; some being positive while others are negative. A small tool axis inclination angle leads to balancing the transversal cutting force exerted on the tool and then reducing deflection and vibrations in milling operations. Firstly, this approach to the dynamic aspects relating to cutting forces in the milling process is significant for mould and die manufacturing since it allows polishing time to be reduced. In addition, as vibrations are reduced, enhanced surface quality can be obtained directly on free-form surfaces such as aeronautic fittings. |
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Keywords: | Machining Milling Cutter orientation Transversal cutting force Balance Sculptured surfaces |
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