Abstract

Nowadays machining of free form surface is still difficult to master. Two techniques enable to machine them: flank milling with a cylindrical cutter or conical tool and point milling with a ball end milling cutter or torus cutter. Flank milling is more productive. This technique induces cutting interferences (overcut or undercut) as regards to the theoretical surface. The novel method proposed by these research works consists of using particular tool geometry such as barrel form. This intermediary solution between cylindrical and ball-end milling cutters enables to respect much more the theoretical surface in a significant reduced cutting time. The aim of this study will permit to determine the suitable barrel geometry of the milling cutter as a function of the machining surface and the imposed tolerances.

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