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http://dx.doi.org/10.5762/KAIS.2019.20.2.741

Modeling and Simulation for Predicting the Impact of Hydraulic Breaker  

Kim, Sung-Hyun (Department of Reliability Assessment, Korea Institute of Machinery & Materials)
Chung, Jaeho (Department of Reliability Assessment, Korea Institute of Machinery & Materials)
Baek, Dong-Cheon (Department of Reliability Assessment, Korea Institute of Machinery & Materials)
Park, Jong-Won (Department of Reliability Assessment, Korea Institute of Machinery & Materials)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.2, 2019 , pp. 741-749 More about this Journal
Abstract
A hydraulic breaker attached to an excavator is a kind of constructuion equipment which is used for the disassembling of buildings, crashing road pavement, breaking rocks at quarry and etc. Therefore, the performance of the hydraulic breaker is mainly evaluated by the impact quantity and impact efficiency, which is an important factor for both the manufacturer and the user. In this paper, modeling and simulation for the prediction of the impact of the hydraulic breaker was conducted according to hydraulic pressure area and operating conditions of the hydraulic valve and piston using the commercial tools SimulationX for the 20ton hydraulic breaker which is mainly used in construction site. In order to verify the reliability of modeling and simulation, the results of previous experimental studies were compared and verified. The results of this study are expected to be useful for predicting the impact of the hydraulic breaker at the design stage before manufacturing and for studying parameters for improving the impact quantity. In addition, the manufacturer predicts that the development time and cost will be reduced through trial and error prevention by predicting the impact of the hydraulic breaker through the results of this paper.
Keywords
Hydraulic breaker; Impact; Efficiency; Modeling; Simulation; SimulationX;
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