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http://dx.doi.org/10.7735/ksmte.2012.21.1.130

Development of Gear Stiffness Module for Multi-Body Dynamic Analysis on Gears  

Song, Jin-Seop (한국기계연구원 시스템엔지니어링연구본부)
Lee, Geun-Ho (한국기계연구원 시스템엔지니어링연구본부)
Park, Young-Jun (한국기계연구원 시스템엔지니어링연구본부)
Bae, Dae-Sung (한양대학교 기계공학부)
Lee, Chul-Ho (한양대학교 기계공학부)
Publication Information
Journal of the Korean Society of Manufacturing Technology Engineers / v.21, no.1, 2012 , pp. 130-136 More about this Journal
Abstract
Dynamic as well as static and geometric design parameters such as inertia, tooth profile, backlash and clearance can be directly considered via multi-body dynamic analysis along with contact analysis. However, it is time consuming to use finite elements for the consideration of the tooth flexibility in the multi-body dynamic analysis of gears. A computationally efficient procedure, so called, Gear Stiffness Module, is suggested to resolve this calculation time issue. The characteristics of gear tooth compliance are discussed and rotational stiffness element concept for the Gear Stiffness Module is presented. Transmission error analyses for a spur gear system are carried out to validate the reliability and efficiency of the module. Compared with the finite element model, the Gear Stiffness Module yields considerably similar results and takes only 3% of calculation time.
Keywords
Multi-body dynamic analysis; Contact analysis; Calculation time; Gear stiffness module; Gears; Transmission error analysis;
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