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Erschienen in: International Journal on Interactive Design and Manufacturing (IJIDeM) 2/2019

16.06.2018 | Original Paper

Non-contact auxiliary fixture for machining stability improvement of thin flexible workpieces using eddy currents

verfasst von: Robinderpal Singh, Ibrahim M. Deiab

Erschienen in: International Journal on Interactive Design and Manufacturing (IJIDeM) | Ausgabe 2/2019

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Abstract

Thin flexible parts are widely used in the aerospace industry and require a more precise surface finish. The main problem in achieving high-quality product is the vibration induced during machining of thin-walled parts. Clamping these thin parts or using rigid supports for parts, such as for propeller blades, lead to distortion. This issue may be solved using a non-contact auxiliary fixture. The new fixture developed in this research is an eddy current damper for passive control of vibrations in electrically conducting workpieces, using neodymium permanent magnets without any external power source. Two thin aluminum beams with different cross-section and same length were used to test the developed fixture. To increase the overall damping, conducting sheets were attached at the free end of beams. Impact and machining tests were conducted to validate the new fixture. The results showed higher damping and better machining stability leading to enhanced surface quality of the workpiece.

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Metadaten
Titel
Non-contact auxiliary fixture for machining stability improvement of thin flexible workpieces using eddy currents
verfasst von
Robinderpal Singh
Ibrahim M. Deiab
Publikationsdatum
16.06.2018
Verlag
Springer Paris
Erschienen in
International Journal on Interactive Design and Manufacturing (IJIDeM) / Ausgabe 2/2019
Print ISSN: 1955-2513
Elektronische ISSN: 1955-2505
DOI
https://doi.org/10.1007/s12008-018-0495-3

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