Developing the design of the roller of a roll stone crusher by FEM simulation

الموضوعات : Journal of Simulation and Analysis of Novel Technologies in Mechanical Engineering

Mohammad Sajjad Mahdieh ¹ , Farshad Nazari ² , Haider Abdulhussein Rubaiawi ³

1 - Department of Mechanical Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran
2 - Mechanical Engineering Department, Shahid Chamran University of Ahvaz, Ahvaz, Iran
3 - Department of Mechanical Engineering, Shahid Chamran University of Ahvaz, Ahvaz, Iran

تاريخ الإرسال : 16 الخميس , شوال, 1445 تاريخ التأكيد : 07 الإثنين , ربيع الثاني, 1447 تاريخ الإصدار : 26 السبت , ربيع الثاني, 1447

الکلمات المفتاحية: FEM simulation, Stone crusher, Mining equipment, Roller design.,

ملخص المقالة :

Stone crushers are fundamental equipment in size reduction processes across metallurgical, mechanical, and other industrial applications. These machines are produced in a wide range of capacities, typically from 30 to 1000 tons per hour, and are categorized according to both the extent of material fragmentation and the type of force application mechanism. From a mechanistic standpoint, crushers are generally classified into three main types: roll crushers, jaw crushers, and impact crushers. Roll crushers, in particular, are widely utilized for medium- and small-scale stone processing due to their structural simplicity and operational effectiveness. This study focuses on the structural optimization of a roll crusher with an emphasis on its roller component, which plays a pivotal role in determining the system’s overall efficiency, performance, and operational cost. The subject of the case study is a roll crusher operating in an iron ore mine located in Yazd Province, Iran. The existing roller design is fully solid, which contributes to excessive weight, reduced mechanical efficiency, and elevated costs associated with maintenance and repair. In response, this research proposes a redesigned roller with reduced weight while ensuring that its mechanical integrity and operational functionality are preserved. The roller is modeled using computer-aided design (CAD) software and subsequently analyzed through Finite Element Method (FEM) simulations. To validate the numerical results, the FEM outputs are compared against the corresponding analytical solutions.

المصادر:


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