Optimization of Serrated End Mills for Reduced Cutting Energy and Higher Stability

2212-8271 © 2013 The Authors. Published by Elsevier B.V. Selection and peer-review under responsibility of The International Scientiﬁc Committee of the “14th CIRP Conference on Modeling of Machining Operations” in the person of the Conference Chair Prof. Luca Settineri doi:10.1016/j.procir.2013.06.152 Procedia CIRP 8 (2013) 570 –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vailable online at www.sciencedirect.com © 2013 The Authors. Published by Elsevier B.V. Selection and peer-review under responsibility of The International Scientiﬁc Committee of the “14th CIRP Conference on Modeling of Machining Operations” in the person of the Conference Chair Prof. Luca Settineri

Documents

Optimization of Serrated End Mills for Reduced Cutting Energy and Higher Stability