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    An Ease-Off Based Optimization of the Loaded Transmission Error of Hypoid Gears

    Source: Journal of Mechanical Design:;2010:;volume( 132 ):;issue: 001::page 11010
    Author:
    A. Artoni
    ,
    M. Kolivand
    ,
    A. Kahraman
    DOI: 10.1115/1.4000645
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: Loaded transmission error (LTE) is one of the primary sources of gear noise and vibration. While ease-off topography has been shown to be powerful in improving the contact properties of a gear drive, its optimization to minimize LTEs has been an open problem in the gear literature. Through the formulation of an appropriate nonlinear optimization problem, this study proposes a novel methodology to systematically define optimal ease-off topography to simultaneously minimize LTEs and contact pressures, while concurrently confining the loaded contact pattern within a prescribed allowable region on the tooth surface to avoid any edge- or corner-contact condition. Effectiveness of this optimization is presented using a face-milled and a face-hobbed hypoid gear examples. These example analyses reveal particularly promising results that feature both a drastic reduction in LTE and an appreciable decrease in the maximum contact stress. Although the method is employed here for hypoid gears, its intrinsically systematic formulation enables straightforward applicability to any kind of gears. The methodology presented in this work can be a useful aid for gear engineers to determine optimal ease-off topographies without having to rely on time-consuming trial-and-error approaches or on a priori subjective judgments.
    keyword(s): Design , Gears , Optimization AND Errors ,
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      An Ease-Off Based Optimization of the Loaded Transmission Error of Hypoid Gears

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    contributor authorA. Artoni
    contributor authorM. Kolivand
    contributor authorA. Kahraman
    date accessioned2017-05-09T00:39:49Z
    date available2017-05-09T00:39:49Z
    date copyrightJanuary, 2010
    date issued2010
    identifier issn1050-0472
    identifier otherJMDEDB-27916#011010_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/144288
    description abstractLoaded transmission error (LTE) is one of the primary sources of gear noise and vibration. While ease-off topography has been shown to be powerful in improving the contact properties of a gear drive, its optimization to minimize LTEs has been an open problem in the gear literature. Through the formulation of an appropriate nonlinear optimization problem, this study proposes a novel methodology to systematically define optimal ease-off topography to simultaneously minimize LTEs and contact pressures, while concurrently confining the loaded contact pattern within a prescribed allowable region on the tooth surface to avoid any edge- or corner-contact condition. Effectiveness of this optimization is presented using a face-milled and a face-hobbed hypoid gear examples. These example analyses reveal particularly promising results that feature both a drastic reduction in LTE and an appreciable decrease in the maximum contact stress. Although the method is employed here for hypoid gears, its intrinsically systematic formulation enables straightforward applicability to any kind of gears. The methodology presented in this work can be a useful aid for gear engineers to determine optimal ease-off topographies without having to rely on time-consuming trial-and-error approaches or on a priori subjective judgments.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAn Ease-Off Based Optimization of the Loaded Transmission Error of Hypoid Gears
    typeJournal Paper
    journal volume132
    journal issue1
    journal titleJournal of Mechanical Design
    identifier doi10.1115/1.4000645
    journal fristpage11010
    identifier eissn1528-9001
    keywordsDesign
    keywordsGears
    keywordsOptimization AND Errors
    treeJournal of Mechanical Design:;2010:;volume( 132 ):;issue: 001
    contenttypeFulltext
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