Possibilities of using stability lobe diagram for stability prediction of high speed milling of thin-walled details

Yu. Vnukov, A. Germashev, V. Logominov, V. Kryshtal


High-speed milling is a cost and time effective process, which becomes more popular nowadays. It especially available at milling of thin-walled structures of airfoil components. Manufacturer often faced with problem of producing thin-walled parts due to vibration and stability lobes theory in a lot of cases does not allow to avoid this problem by choosing the appropriate cutting conditions. In practice cutting condition for milling of thin walled detail is usually obtained by experimental way. In this paper authors present main differences of thin-walled end milling from classical end milling and show features of thin-walled end milling process and aspects, which effect on quality of surface finish. The aim of the paper is to validate that at high speed thin-walled end milling not only chatter is the reason of unstable cutting condition. Evaluation of stability, obtained by experimental tests, was compared with stability lobe diagram.


Thin-walled detail; high-speed milling; chatter; stability; surface finish

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