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An experimental study on dynamics and stability of miniature end mills

Aran, Volkan and Budak, Erhan (2011) An experimental study on dynamics and stability of miniature end mills. In: 13th CIRP Conference on Modelling of Machining Operations, Sintra, Portugal

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Official URL: http://dx.doi.org/10.4028/www.scientific.net/AMR.223.869

Abstract

Miniature end mills with sizes in the order of 1 mm in diameter are used in several industries for generation of small features with high precision. As in case of standard size end mills, chatter stability can be an important problem in these applications as well, and it is the focus of this paper. Dynamics and stability analyses need frequency response function (FRF) of the tool. There are several practical problems in measuring miniature tool FRFs. First of all, it is not possible to excite the tool tip using an impact hammer due to the small size. In addition, miniature tools have very high natural frequencies which are difficult to excite and measure. An indirect measurement approach for miniature milling tool dynamics is used. Another important problem with miniature tools is the detection of chatter. Although stability diagrams can be used for selection of stable conditions, cutting tests proved that chatter detection for miniature tools is very challenging.

Item Type:Papers in Conference Proceedings
Uncontrolled Keywords:miniature end mills; tool FRF; milling stability; chatter vibrations
Subjects:UNSPECIFIED
ID Code:16592
Deposited By:Erhan Budak
Deposited On:01 Jul 2011 16:29
Last Modified:01 Jul 2011 16:29

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