The Research of Impact Ball End Mills Geometric Parameters on Processing Stable Region

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In this paper, modal analysis of ball end mills is modeled by finite element to work out natural frequency and chatter model in tooling system and to calculate the limit curve of stability in single degree freedom system. The effect of cutter flute length and cutter tooth number on maching stability area is also discussed. The results of research show that steady critical cutting depth of milling system declines while the cutter flute length increases, but the trend is not linear, which shows increase partly. An engineering optimization design is made on milling cutter geometrical parameters based on this conclusion.

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136-139

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January 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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