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Research on the New Drive of a Laboratory Screen with Rectilinear Vibrations in Transient States

Author

Listed:
  • Jacek Feliks

    (Department of Machinery Engineering and Transport, Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, 30-059 Kraków, Poland)

  • Paweł Tomach

    (Department of Machinery Engineering and Transport, Faculty of Mechanical Engineering and Robotics, AGH University of Science and Technology, 30-059 Kraków, Poland)

  • Dariusz Foszcz

    (Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology, 30-059 Kraków, Poland)

  • Tomasz Gawenda

    (Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology, 30-059 Kraków, Poland)

  • Tomasz Olejnik

    (Faculty of Biotechnology and Food Science, Lodz University of Technology, 90-924 Lodz, Poland)

Abstract

The paper presents the results of research on the vibrating motion of a laboratory screen with a rectilinear (segmental) trajectory of vibrations during its start-up and braking. The investigations were carried out on a modernized stand equipped with a system of two vibrating motors applied in newer solutions of industrial screens, which are mounted directly on the riddle. The tests were carried out for three different frequencies using three-axis acceleration sensors. The analysed parameter was the increase in the amplitude of vibrations in transient states compared to the amplitude during the stable operation of the device. The maximum multiplication of the vibration amplitude of the classic drive system during start-up was 9.7 (mm/mm) in the vertical direction and 5.7 (mm/mm) for the new system. During braking, the maximum multiplication of the vibration amplitude of the classic drive system was 6.9 (mm/mm) vertically, while for the drive system with vibration motors, it was 11.4 (mm/mm). The absence of flexible couplings in the drive system reduces the damping of vibrations and increases the value of amplitude during the start-up and free braking of the machine. This does not have a major influence on the correct operation of the machine in a steady state. However, the use of the new drive system resulted in a significant reduction in power demand and shortened the start-up time, which has a positive effect on the operating costs of the machine.

Suggested Citation

  • Jacek Feliks & Paweł Tomach & Dariusz Foszcz & Tomasz Gawenda & Tomasz Olejnik, 2021. "Research on the New Drive of a Laboratory Screen with Rectilinear Vibrations in Transient States," Energies, MDPI, vol. 14(24), pages 1-16, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:24:p:8444-:d:702448
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    Cited by:

    1. Jacek Feliks & Paweł Tomach, 2023. "The Impact of Vibrating Screen Startup Time on Vibration Amplitude and Energy Consumption in Transient State," Energies, MDPI, vol. 16(20), pages 1-21, October.

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