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http://dx.doi.org/10.5762/KAIS.2021.22.1.511

Structural Stability Evaluation for Special Vehicle Slewing Bearing using Finite Element Analysis  

Seo, Hyun-Soo (Defence Agency for Technology and Quality)
Lee, Ho-Jun (Defence Agency for Technology and Quality)
An, Tae-Su (Wonjin Machine & Technology)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.22, no.1, 2021 , pp. 511-519 More about this Journal
Abstract
Slewing bearing is applied to the transmission of rotational power of the body and turret in a special vehicle for anti-aircraft weapons that overcomes the enemy flight system approaching at low altitudes with rapid response fire. When the turret load and impact load generated when shooting are combined in performing the combat mission of a special vehicle, structural stability must be secured to achieve a successful function. Among the components of the slewing bearing, the stability of the components against the complex loads acting by the turret drive and shooting was evaluated by considering the shape and material characteristics of the ring-gear, roller, and wire-race. As a research method for stability evaluation, based on engineering theory, the strength characteristics of the components were examined by numerical calculations. Finite element analysis was performed on components using the ANSYS analysis program. The results of theoretical analysis and the results of finite element analysis were very similar. A structural stability evaluation for the slewing bearing, which was performed mainly on the analysis, confirmed that the design strength of the slewing bearing determined in the preliminary design in the early stage of localization development was sufficient.
Keywords
Slewing Bearing; Stability Evaluation; Finite Element Analysis; Wire Race; Special Vehicle;
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