Prediction of process forces and stability of end mills with complex geometries

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Grabowski, R.; Denkena, B.; Köhler, J.: Prediction of process forces and stability of end mills with complex geometries. In: Procedia CIRP 14 (2014), S. 119-124. DOI: https://doi.org/10.1016/j.procir.2014.03.101

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Sum total of downloads: 188




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Abstract: 
In order to optimize the cutting performance of end mills, the geometry of such cutters is optimized by toolmakers constantly. As a result of geometric changes, process forces can be reduced, i.e. by serrated end mills. Tools with unequal helix angles can lead to an increase of process stability. In this paper, a method to calculate the process forces of end mills with complex geometries is presented. The method for calculating the process forces is designed for the application for stability analysis of end mill cutters with complex geometries. A basic introduction of the method for the stability prediction of such tools is given. Cutting forces of end mills are analyzed at incremental axial depth of cuts to show the influence of the tool geometry on the process forces. The comparison with experimental data verifies this method and shows the influence of further effects on the process forces. Furthermore, stability charts obtained with the Semi-Discretization Method are presented to show the potential of end mills with complex geometries regarding stability improvement.
License of this version: CC BY-NC-ND 3.0 Unported
Document Type: article
Publishing status: publishedVersion
Issue Date: 2014
Appears in Collections:Fakultät für Maschinenbau

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pos. country downloads
total perc.
1 image of flag of Germany Germany 103 54.79%
2 image of flag of Bangladesh Bangladesh 21 11.17%
3 image of flag of United States United States 20 10.64%
4 image of flag of India India 10 5.32%
5 image of flag of China China 9 4.79%
6 image of flag of Turkey Turkey 5 2.66%
7 image of flag of United Kingdom United Kingdom 3 1.60%
8 image of flag of Malaysia Malaysia 2 1.06%
9 image of flag of Mexico Mexico 2 1.06%
10 image of flag of Switzerland Switzerland 2 1.06%
    other countries 11 5.85%

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