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http://dx.doi.org/10.21289/KSIC.2022.25.3.357

Optimal Dimension Design and Stability Analysis of Non-slip Steel Grating  

Son, In-Soo (Division of Mechanical, Automobile, Robot Component Engineering, Dong-eui University)
Publication Information
Journal of the Korean Society of Industry Convergence / v.25, no.3, 2022 , pp. 357-363 More about this Journal
Abstract
In this study, in order to develop an non-slip metal grating, the stability of the grating according to the span of the grating and the gap and height of the bearing bar was evaluated. The optimal shape design of the grating was performed using the results of determining the stability of the grating. The purpose of this study is to determine the stability according to the spacing and height of the bearing bar by applying the design pressure at the design stage to develop the anti-skid grating, and to design the optimal shape for cost reduction. In the optimal design, the target variable was set as the mass, and the optimal design of the grating was performed based on about 20%. Regardless of the height of the bearing bar of the grating, the stress and deformation of the span and the grating showed a proportional tendency to each other, and it was found that the stress decreased as the height of the bearing bar increased. Based on the structural analysis results, an optimal design was performed using mass as the objective variable, and the existing 2mm thickness was changed to 1.6mm, reducing the mass by about 19%. The stress increased by about 4.4% compared to the maximum stress of the existing grating, but the minimum safety factor was 3.1, indicating that the optimally designed grating was stable.
Keywords
Bearing Bar; FEM; Non-Slip Grating; Optimal Design; Span; Stability Analysis;
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