Abstract
Nowadays, cutting tools manufacturing companies must improve their processes in order to satisfy the growing competitiveness. In fact, a hot topic among cutting tool manufacturers is to increase quality and repeatability. However, the technology and know-how used have reached a limit which slightly differences can suppose a high advantage to achieve more robust and reliable tools. Then, a deep study between the different parameters which take part in cutting tools geometry is needed. In this paper, the influence between incidence and rake angles and cutting edge radius were studied with the aim of improving the current cutting tools. In particular, a design of experiments (DOE) was carried out in which these three parameters were analyzed by Finite Element Method (FEM). The results show that cutting edge radius is the parameter which presents the highest influence on the tool wear. Finally, based on this issue, a series of experimental tests were carried out with different cutting edge radius values in order to achieve a tool which improves its useful life in comparison with current ones. The results show that control cutting edge radius implies a significant improvement in cutting tools quality due to the tool life increase achieved.
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