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RESEARCH PAPER
Cutting load analysis and Optimization methods of the Bauxite Shearers
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1
Shandong University of Science and Technology, China
 
2
State Key Laboratory of Intelligent Coal Mining and Strata Control, Shanghai, China
 
 
Submission date: 2024-09-30
 
 
Final revision date: 2024-12-17
 
 
Acceptance date: 2025-02-15
 
 
Online publication date: 2025-02-21
 
 
Publication date: 2025-02-21
 
 
Corresponding author
Shuxue Wang   

Shandong University of Science and Technology, China
 
 
 
HIGHLIGHTS
  • Comparison of uniaxial compression and linear cutting tests with numerical simulations.
  • Comparative Analysis of the Forces Acting on Each Conical Pick.
  • Analysed the impact of the arrangement of vane conical picks on the cutting performance.
  • Analysed the impact of radial retraction of end plate picks on the cutting performance.
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ABSTRACT
Bauxite shearers frequently face challenges such as difficult drum traction, significant load fluctuations, and a short lifespan of conical picks during operation, all of which adversely affect equipment stability. To improve the reliability of the bauxite shearers, rock fragmentation tests were conducted using a servo press and a cutting test equipment. The finite element method is employed to simulate the working process of the drum in order to determine the forces acting on both the total drum and each individual conical pick. Additionally, a method aimed at reducing the force on the drum is proposed and simulated. The research results indicate that the traction resistance of the drum can be reduced and the stability of equipment operation can be increased by appropriately increasing the cutting distance of the vane conical picks, adopting a sequential conical picks arrangement method, and retracting the end plate conical picks.
eISSN:2956-3860
ISSN:1507-2711
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