Nonlinear dynamic analysis of cutting head-rotor-bearing system of the roadheader
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-019-0106-7
Abstract: In order to study the dynamic characteristics of cutting head and cantilever system, a nonlinear dynamic model with a 13 degrees of freedom (13-DOF) lateral torsional coupled cutting head-rotor-bearing system (CHRBS) is established. The nonlinear… read more here.
Keywords: speed; dynamic analysis; system; bearing ... See more keywords
Performance Evaluation of Different Pick Layouts on Bolter Miner Cutting Head
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mining Science"
DOI: 10.1134/s106273911806512x
Abstract: A bolter miner is a mining machinery of coal–rock cutting. In order to study the best pick layout of bolter miner cutting head, three kinds of pick layouts were designed. The performance evaluation of cutting… read more here.
Keywords: pick layouts; bolter miner; cutting head; miner cutting ... See more keywords
Analysis of the Outer Contour Characteristics of Roadway Forming under the Influence of Cutting Head Vibration
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DOI: 10.1155/2021/6667523
Abstract: Considering that the trajectory of the cutting head of the longitudinal axis roadheader directly affects the surface morphology of the roadway, the formation mechanism of the outer profile of the roadway obtained by the cutting… read more here.
Keywords: head; analysis; roadway; vibration cutting ... See more keywords
Research on spiral angle optimization for longitudinal road header's cutting head
Sign Up to like & getrecommendations! Published in 2020 at "Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science"
DOI: 10.1177/0954406220915491
Abstract: The cutting head is the key component of a road header in tunnel excavation, where the concept of the spiral angle design directly affects the comprehensive performance, which includes cutting resistance, fluctuation coefficient, specific energy… read more here.
Keywords: head; speed; optimization; spiral angle ... See more keywords