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1
Content available Transport features of a new, self-attuned conveyor
Czubak Piotr, Surówka Witold
Transport Problems
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2022
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T. 17, z. 4
5--16
EN
The new vibratory conveyor destined for the accurate dosing of materials was investigated in the present work. The possibilities of the system to transport materials in the circum-resonant zone were tested analytically, as well as by simulations. The optimal work point of the system, which allowed a decrease in the amplitude of eliminator vibrations on its suspension due to operations on the resonance slope, was determined. Transport velocities depending on the excitation frequency and feed mass were determined by simulations. The results were verified on the conveyor of industrial dimensions designed and built in accordance with the patent application.
2
Content available Numerical review of selected solutions of vibratory feeders capable of dosing feed material
Surówka Witold, Czubak Piotr
Vibrations in Physical Systems
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2020
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Vol. 31, nr 3
art. no. 2020322
EN
The authors investigate selected solutions, to show how hard it is to find the ones that would simultaneously: dose the feed, work on a centrifugal drive, and could be freely scalable. Moreover, the authors introduce a classification of analysed cases by their amplitude-frequency characteristics. Exemplary characteristics of simplified models allow distinguishing which one of them is suitable to be adopted for dosing conveyor (feeder). The authors come to the conclusion that it is worth to begin the design process exactly by composing a proper mechanical system, in respect of amplitude-frequency characteristics. Furthermore, the paper points out the most important features of vibratory feeders, capable of dosing bulk materials.
3
Content available Influence of the excitation frequency on operations of the vibratory conveyor allowing for a sudden stopping of the transport
Czubak Piotr, Surówka Witold
Vibrations in Physical Systems
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2020
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Vol. 31, nr 3
art. no. 2020303
EN
Transport possibilities of the new vibratory conveyor in dependence on the excitation frequency of inertial vibrators were investigated in the hereby paper. The comprehensive model of the machine together with the loose feed material was tested. Simulations allowed to determine the dependence of the transport velocity on the excitation frequency. The time needed for a sudden stopping of the transport was also investigated. The new controlling strategy, realised by means of the excitation frequency, was proposed for situations when there is a necessity of sudden stopping of the transport.
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