In this paper we set out to investigate the performances of some of the algorithms proposed in the gear literature for identifying the machine-settings required to obtain predesigned gear tooth surface topographies, or needed to compensate for flank form deviations of real teeth. For the ease of comparison, the problem is formulated as a nonlinear least-squares minimization, and the most widely employed algorithms are derived as particular cases. The algorithms included in the analysis are: (i) one-step methods; (ii) iterative methods; (iii) iterative methods with step control. The performance index is devised in their ability of returning practical solutions in the presence of: (i) strong model nonlinearities, (ii) ill-conditioning of the sensitivity matrix, (iii) demanding topographic shapes purposely selected. Instrumental here is an original classification of topographic modifications as either “simple” or “complex”, based on the SVD analysis of the sensitivity matrix. On the basis of the numerical tests documented, iterative techniques with step control seem the most convenient, due to reliability and robustness of the solutions produced. The generation process here considered is face-milling of hypoid gears, even though the methodology is general enough to cope with any gear cutting method requiring only some minor technical changes.
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ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
August 28–31, 2011
Washington, DC, USA
Conference Sponsors:
- Design Engineering Division and Computers and Information in Engineering Division
ISBN:
978-0-7918-5485-3
PROCEEDINGS PAPER
On the Identification of Machine Settings for Gear Surface Topography Corrections
Marco Gabiccini,
Marco Gabiccini
Universita` di Pisa, Pisa, Italy
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Alessio Artoni,
Alessio Artoni
Universita` di Pisa, Pisa, Italy
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Massimo Guiggiani
Massimo Guiggiani
Universita` di Pisa, Pisa, Italy
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Marco Gabiccini
Universita` di Pisa, Pisa, Italy
Alessio Artoni
Universita` di Pisa, Pisa, Italy
Massimo Guiggiani
Universita` di Pisa, Pisa, Italy
Paper No:
DETC2011-47727, pp. 37-46; 10 pages
Published Online:
June 12, 2012
Citation
Gabiccini, M, Artoni, A, & Guiggiani, M. "On the Identification of Machine Settings for Gear Surface Topography Corrections." Proceedings of the ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and Tire Technologies. Washington, DC, USA. August 28–31, 2011. pp. 37-46. ASME. https://doi.org/10.1115/DETC2011-47727
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