Journal of Applied and Computational Mechanics

Design Methodology of a Novel Comminution Machine

Articles in Press

Document Type : Research Paper

Authors

1 Faculty of Mechanical Engineering, National University of Engineering, Av. Túpac Amaru 210, Lima, 15333, Perú

2 Department of Mechanical Engineering, Universidad de Ingeniería y Tecnología - UTEC, Jr. Medrano Silva 165, Barranco, Lima, Peru

Abstract

This paper outlines the conceptual and numerical design process of a comminution equipment centered on particle breakdown through impact. The process is divided into four stages, starting with the generation of device concepts achieved by developing a needs matrix for an optimal machine. Subsequently, in the second stage, various equipment shape proposals were introduced and tested, with the selection of an optimal proposal determined through performance comparisons. For comparison purposes, simulations utilizing the discrete element method (DEM) were conducted, considering analyses of accumulated power from collisions and particle breakage. Once the optimized prototype was identified, a breakage simulation was conducted to measure the device's reduction ratio. In the third stage, the machine elements of the device were calculated. Finally, in the fourth stage, a series of simulations utilizing the finite element method (FEM) were carried out to perform structural and modal analyses of the final design. The evaluated variables identified in the simulations played a crucial role in optimizing the design, ultimately resulting in a device with a reduction ratio of 1:19.8 for limestone.

Keywords

Main Subjects

Publisher’s Note Shahid Chamran University of Ahvaz remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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Journal of Applied and Computational Mechanics

Articles in Press, Corrected Proof
Available Online from 12 June 2024