Influence of selected physical parameters on vibroinsulation of base-exited vibratory conveyors

Czubak, P.; Gajowy, Marek

doi:10.1515/eng-2022-0033

Cited by 3 publications

(2 citation statements)

References 10 publications

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“…Among vibratory conveyors, antiresonance conveyors have become increasingly popular in recent years (Surówka and Czubak, 2021;Czubak and Gajowy, 2022;Gajowy, 2019). Such conveyors use dynamic dampers (Asami, 2019;Ascari, 1980;Fasana and Giorcelli, 2010) based on Frahm's patent from 1911 (Frahm, 1911) to decrease vibrations of drive frames as well as related harmful effects on the surrounding environment.…”

Section: Introductionmentioning

confidence: 99%

Self-synchronization of drive vibrators of an antiresonance vibratory conveyor

Cieplok

2023

Journal of Theoretical and Applied Mechanics

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A theoretical analysis of synchronization of inertial vibrators of a vibratory conveyor with a dynamic damper is presented in this paper. It is shown that for the over-resonance regime and counter-running drive vibrators, there is only one stable state of the system warranting formation of necessary sectional vibrations of the trough. The analytical form of the moment--synchronizing vibrators is also determined, and on the basis of this, the influence of angular vibrations of the body on the synchronizing process of the drive vibrators is determined. Due to the differences in the participation of angular vibrations in the self-synchronizing process in relation to classical solutions, the presented results fundamentally influence the design of long antiresonance conveyors.

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Section: Introductionmentioning

confidence: 99%

Self-synchronization of drive vibrators of an antiresonance vibratory conveyor

Cieplok

2023

Journal of Theoretical and Applied Mechanics

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“…The paper [2] is focused on investigating the possibilities of reducing the conveyor influence on the foundation it is mounted on. In [3], the authors conducted thorough research on the vibratory conveying of different wood pallets. The vibratory machine, equipped with the eccentric (unbalanced) exciter and designed for finishing treatment of parts, is considered in [4].…”

Section: Introductionmentioning

confidence: 99%

Modelling and experimental investigation of the vibratory conveyor operating conditions

Korendiy¹,

Kachur²,

Hurey³

et al. 2022

Vib. proced.

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The paper’s objective is to study the dynamic parameters and operating conditions of the vibratory conveyor, which is based on the double-mass oscillatory system and equipped with the pull-type (single-cycle) electromagnetic exciter. The scientific novelty consists in substantiating the conveying capacity of various standard sizes of bolts at different operating conditions defined by the input parameters, particularly supplied voltage. In order to describe the conveying tray vibrations, the simplified mathematical model of the conveyor’s double-mass oscillatory system is developed using the Euler-Lagrange equations and is numerically solved in the Mathematica software with the help of the Runge-Kutta methods. The experimental investigations are carried out at the Vibroengineering Laboratory of Lviv Polytechnic National University and are focused on testing the conveying speed of various bolts at different motion conditions: detachable (bouncing, hopping, jumping over the conveying surface) and non-detachable (sliding along the conveying surface). The obtained results show the basic kinematic parameters of the conveying tray motion at different voltages supplied to the actuating electromagnet and the dependencies of the conveying speeds of various bolts at different motion conditions mentioned above. The paper may be useful for designers and researchers while improving and implementing similar vibratory equipment in various industries.

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Influence of vibratory conveyor design parameters on the trough motion and the self-synchronization of inertial vibrators

Cieplok

2024

Open Engineering

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A spatial model of a vibratory conveyor supported on steel-elastomer vibration isolators and vibrated by two inertial vibrators is presented in this article. The results of analyses of the effect of the layout of vibrators on the operation of the conveyor are presented. Displacement of the line of action of vibrators resultant force beyond the machine mass center causes the drift of the trough movement from the desirable rectilinear motion and problems associated with the unevenness of material movement. Three main cases were analyzed in the article: the displacement of the center of mass of the machine body from the straight line of action of the resultant for the vibrators, rotation of the main axes of inertia of the conveyor body in the working plane of the conveyor, and the oblique-angular resonance. The model presented in this article is used to consider coupling between vibrators and the body of the machine, which is responsible for the process of self-synchronization of the vibrators and the correctness of machine operation. The results of the theoretical analyses presented in this article were verified by laboratory tests and references to observations based on the authors’ industrial experience.

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Influence of selected physical parameters on vibroinsulation of base-exited vibratory conveyors

Cited by 3 publications

References 10 publications

Self-synchronization of drive vibrators of an antiresonance vibratory conveyor

Self-synchronization of drive vibrators of an antiresonance vibratory conveyor

Modelling and experimental investigation of the vibratory conveyor operating conditions

Influence of vibratory conveyor design parameters on the trough motion and the self-synchronization of inertial vibrators

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