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Influence of Motion Parameters on Cutting Performance of Boom-Type Roadheader During the Swing Cutting

  • Research Article-Civil Engineering
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Abstract

The cutting performance of the boom-type roadheader impacts the energy consumption and efficiency of coal mine roadway excavation. The purpose of this work is to investigate the influence of motion parameters on cutting performance. The motion of the cutting head during swing cutting was simplified to establish a numerical model. Rock samples were arranged to perform the swing cutting to test the validity of the numerical model based on the coal-rock cutting platform. The cutting specific energy consumption and the average cutting force on picks involved in cutting were used as indexes to evaluate the effects of the cutting depth, velocity, and subsequent cutting distance on cutting performance. The mechanism of the cutting head was also explained. The results show that the cutting performance is optimal when the cutting depth is 1/2 to 2/3 of the cutting head length. In terms of energy consumption, cutting performance is more sensitive to cutting depth than to cutting velocities. The cutting performance indexes tend to be stable until the subsequent cutting distance exceeds the diameter of the cutting head.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (No .51975570), the Top-notch Academic Programs Project of Jiangsu Higher Education Institutions (TAPP) and Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD).

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Authors and Affiliations

  1. School of Mechatronic Engineering, China University of Mining and Technology, Xuzhou, 221116, Jiangsu Province, China

    Deyi Zhang, Songyong Liu & Jiguang Jia

  2. Jiangsu Collaborative Innovation Center of Intelligent Mining Equipment, China University of Mining and Technology, Xuzhou, 221008, Jiangsu Province, China

    Deyi Zhang, Songyong Liu & Jiguang Jia

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  1. Deyi Zhang
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  2. Songyong Liu
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  3. Jiguang Jia
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Correspondence to Songyong Liu.

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Zhang, D., Liu, S. & Jia, J. Influence of Motion Parameters on Cutting Performance of Boom-Type Roadheader During the Swing Cutting. Arab J Sci Eng 46, 4387–4397 (2021). https://doi.org/10.1007/s13369-020-04977-7

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  • DOI: https://doi.org/10.1007/s13369-020-04977-7

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