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Processes
Volume 13
Issue 8
10.3390/pr13082498
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

The Influence of the Geometric Configuration of the Drive System on the Motion Dynamics of Jaw Crushers

by
Emilian Mosnegutu
1,
Claudia Tomozei
1,
Oana Irimia
1,
Vlad Ciubotariu
1,*,
Diana Mirila
1,*,
Mirela Panainte-Lehadus
1,
Marcin Jasiński
2,
Nicoleta Sporea
3 and
Ivona Camelia Petre
4
1
Department of Environmental Engineering, Mechanical Engineering and Agritourism, Faculty of Engineering, “Vasile Alecsandri” University of Bacau, 600115 Bacau, Romania
2
Institute of Vehicles and Construction Machinery Engineering, Warsaw University of Technology, 00-653 Warsaw, Poland
3
Faculty of Mechanical Engineering and Mechatronics, National University of Science and Technology POLITEHNICA Bucharest, 060042 Bucharest, Romania
4
Faculty of Materials Engineering and Mechanics, “Valahia” University of Targoviste, 130004 Targoviste, Romania
*
Authors to whom correspondence should be addressed.
Processes 2025, 13(8), 2498; https://doi.org/10.3390/pr13082498 (registering DOI)
Submission received: 15 July 2025 / Revised: 1 August 2025 / Accepted: 3 August 2025 / Published: 7 August 2025
(This article belongs to the Section Manufacturing Processes and Systems)
Versions Notes

Abstract

This study presents a comparative analysis of two double-toggle drive systems for jaw crushers that are tension based and compression based (this refers to the way in which the connecting rod is mechanically stressed within the drive mechanism), with the objective of identifying the optimal configuration from both kinematic and functional perspectives. Jaw crushers play a critical role in the extractive industry, and their performance is strongly influenced by the geometry and positioning of the drive mechanism. A theoretical approach based on mathematical modeling and numerical simulation was applied to a real constructive model (SMD-117), assessing variations in the linear velocity of the moving links as a function of mechanism placement. The study employed Mathcad 15, Roberts Animator, and GIM (Graphical Interactive Mechanisms) 2025.4 software to perform calculations and simulate motion. Results revealed a sinusoidal velocity pattern with significant differences between the two systems: the tension-based drive achieves peak velocities at the beginning of the angular variation interval, while the compression-based system reaches its maximum toward the end. Link C consistently exhibits higher velocities than link E, indicating increased mechanical stress. Polar graphic analysis identified critical velocity angles, and simulations confirmed the model’s validity with a maximum error of just 1.79%. The findings emphasize the importance of selecting an appropriate drive system to enhance performance, durability, and energy efficiency, offering concrete recommendations for equipment design and operation.
Keywords: jaw crusher; double-toggle mechanism; comparative analysis jaw crusher; double-toggle mechanism; comparative analysis

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MDPI and ACS Style

Mosnegutu, E.; Tomozei, C.; Irimia, O.; Ciubotariu, V.; Mirila, D.; Panainte-Lehadus, M.; Jasiński, M.; Sporea, N.; Petre, I.C. The Influence of the Geometric Configuration of the Drive System on the Motion Dynamics of Jaw Crushers. Processes 2025, 13, 2498. https://doi.org/10.3390/pr13082498

AMA Style

Mosnegutu E, Tomozei C, Irimia O, Ciubotariu V, Mirila D, Panainte-Lehadus M, Jasiński M, Sporea N, Petre IC. The Influence of the Geometric Configuration of the Drive System on the Motion Dynamics of Jaw Crushers. Processes. 2025; 13(8):2498. https://doi.org/10.3390/pr13082498

Chicago/Turabian Style

Mosnegutu, Emilian, Claudia Tomozei, Oana Irimia, Vlad Ciubotariu, Diana Mirila, Mirela Panainte-Lehadus, Marcin Jasiński, Nicoleta Sporea, and Ivona Camelia Petre. 2025. "The Influence of the Geometric Configuration of the Drive System on the Motion Dynamics of Jaw Crushers" Processes 13, no. 8: 2498. https://doi.org/10.3390/pr13082498

APA Style

Mosnegutu, E., Tomozei, C., Irimia, O., Ciubotariu, V., Mirila, D., Panainte-Lehadus, M., Jasiński, M., Sporea, N., & Petre, I. C. (2025). The Influence of the Geometric Configuration of the Drive System on the Motion Dynamics of Jaw Crushers. Processes, 13(8), 2498. https://doi.org/10.3390/pr13082498

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