Investigation of vibration machine movement with a multimode oscillation spectrum

Authors

DOI:

https://doi.org/10.15587/1729-4061.2017.118731

Keywords:

vibration machine, vibration exciter, spatial oscillations, stress-strain state, frequencies and vibration modes, finite element model

Abstract

The necessity of solving the problem of increasing the efficiency and reducing the energy intensity of the working process of the vibration machine movement is substantiated. A new principle is proposed for transferring energy from the shape-forming surfaces to the processing medium by implementing highly effective modes and parameters. A constructive scheme and a definite mathematical model of the frame of the vibration machine have been developed, realizing complex spatial oscillations. The oscillations of this shape-forming surface are investigated using the finite element method. The finite element model is composed by approximating all load-bearing elements of the frame with beam end elements. Loads created by pneumatic centrifugal exciters of high-frequency oscillations are determined. The basic waveforms of the shape-forming surfaces that are realized at 18.79 Hz, 18.89 Hz and 19.71 Hz, respectively, are investigated and determined. The distribution of the vibration amplitudes along the perimeter of the frame is estimated at the excitation frequency of 182.5 Hz. The rational values of the amplitude of oscillations for the realization of an effective process of concrete mixture compaction are found. The amplitude of the oscillations is 0.0002...0.0005 m. The obtained vibrations show the presence of the multimode operation of the vibration machine. A definite direction of the purposeful use of one of the forms of natural oscillations is the shape-forming surfaces. The approach for creating high-performance vibration machines of a new generation is proposed. The ideology of implementing such regimes can be successfully applied in road construction for the construction of concrete roads

Author Biographies

Ivan Nazarenko, Kyiv National University of Construction and Architecture Povitroflotskyi аve., 31, Kyiv, Ukraine, 03037

Doctor of Technical Sciences, Professor, Head of Department

Department of machinery and equipment of technological processes

Viktor Gaidaichuk, Kyiv National University of Construction and Architecture Povitroflotskyi аve., 31, Kyiv, Ukraine, 03037

Doctor of Technical Sciences, Professor, Head of Department

Department of theoretical mechanics

Oleg Dedov, Kyiv National University of Construction and Architecture Povitroflotskyi аve., 31, Kyiv, Ukraine, 03037

PhD, Associate Professor

Department of machinery and equipment of technological processes

Oleksandr Diachenko, Kyiv National University of Construction and Architecture Povitroflotskyi аve., 31, Kyiv, Ukraine, 03037

Postgraduate student

Department of machinery and equipment of technological processes

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Published

2017-12-18

How to Cite

Nazarenko, I., Gaidaichuk, V., Dedov, O., & Diachenko, O. (2017). Investigation of vibration machine movement with a multimode oscillation spectrum. Eastern-European Journal of Enterprise Technologies, 6(1 (90), 28–36. https://doi.org/10.15587/1729-4061.2017.118731

Issue

Vol. 6 No. 1 (90) (2017): Engineering technological systems

Section

Engineering technological systems

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Copyright (c) 2017 Ivan Nazarenko, Viktor Gaidaichuk, Oleg Dedov, Oleksandr Diachenko

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