Operating mechanism and performance optimization of the eccentric roll crusher

Yuzhou Xu

doi:10.54254/2977-3903/2025.27271

Advances in Engineering InnovationOpen access

Operating mechanism and performance optimization of the eccentric roll crusher

Research Article

Open Access

Operating mechanism and performance optimization of the eccentric roll crusher

Yuzhou Xu ^1*

¹ Yanshan University

^*Corresponding author: 2030283626@qq.com

Published on 24 September 2025

AEI Vol.16 Issue 9

ISSN (Print): 2977-3911

ISSN (Online): 2977-3903

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Abstract

Under the strategic framework of “dual-carbon” goals (carbon peaking and carbon neutrality), high efficiency, energy conservation, and intelligence have become imperative trends in the development of ore-comminution equipment. In sectors such as mining, construction, and metallurgy, crushers serve as the critical hardware for particle-size reduction, and their performance directly governs downstream productivity and operating costs. Ongoing industrial progress is placing ever-stricter demands on crusher efficiency, reliability, and energy consumption. The eccentric roll crusher (ERC)—a novel primary crushing machine—offers marked advantages over conventional jaw, gyratory and cone crushers, including superior efficiency, a more compact overall envelope, lower specific energy consumption, and superior dynamic balance, thereby constituting a subject of exceptional research value. In this study, the influences of key operational parameters—eccentric shaft rotational speed, closed-side setting (CSS), and eccentric throw—on throughput, power draw, and roll reversal velocity are systematically investigated by means of coupled discrete-element method (DEM) and multi-body dynamics (MBD) simulations, complemented by rigorous kinematic modelling and experimental validation. Subsequently, a multi-objective optimization framework integrating genetic algorithms and response-surface methodology is employed to achieve an optimized design. The outcomes establish a sound theoretical and experimental foundation for the intelligent design of eccentric roll crushers within the context of the dual-carbon era.

Keywords:

eccentric roll crusher, performance optimization, DEM-MBD coupling simulation, working mechanism, closed-side setting (CSS)

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