A Theoretical Rigid Body Model of Vibrating Screen for Spring Failure Diagnosis

A Theoretical Rigid Body Model of Vibrating Screen for Spring Failure Diagnosis

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Springs are critical components in mining vibrating screen elastic supports.However, long-term alternating loads are likely to lead to spring failures, likely resulting in structural damages to the vibrating screen and resulting in a lower separation efficiency.Proper dynamic models provide a basis for spring failure diagnosis.In this paper, a six-degree-of-freedom theoretical rigid body model of a mining vibrating screen is proposed, and a dynamic equation is established in order to explore the dynamic characteristics.

Numerical simulations, based on the Social inequalities in women exposed to obstetric and gyneco-obstetric violence in Ecuador: a cross-sectional study Newmark-β algorithm, are carried out, and the results indicate that the model proposed is suitable for revealing the dynamic characteristics of the mining vibrating screen.Meanwhile, the Automated and Human Interaction in Written Discourse: A Contrastive Parallel Corpus-based Investigation of Metadiscourse Features in Machine-Human Translations mining vibrating screen amplitudes change with the spring failures.Therefore, six types of spring failure are selected for simulations, and the results indicate that the spring failures lead to an amplitude change for the four elastic support points in the x, y, and z directions, where the changes depend on certain spring failures.Hence, the key to spring failure diagnosis lies in obtaining the amplitude change rules, which can reveal particular spring failures.

The conclusions provide a theoretical basis for further study and experiments in spring failure diagnosis for a mining vibrating screen.