Mechanics & Industry
Volume 19, Number 1, 2018
|Number of page(s)||9|
|Published online||24 August 2018|
Estimation of the resonance amplitude in machines with inertia vibrator in the coast-down phase
AGH University of Science and Technology, al. Mickiewicza 30,
* e-mail: firstname.lastname@example.org
Accepted: 14 October 2017
The work concerns mechanical systems with transient resonance formed as a result of an unbalanced rotating mass passing through an area of the system's natural frequency. In particular, this concerns over-resonant vibrating machines driven by inertia vibrators, which during start-up and coast-down pass through the natural frequency area related to the vibrating mass – flexible suspension system. The work analyses a system consisting of a soft-mounted machine body excited into vibrations by means of the inertia vibrator in order to designate the amplitude of resonant vibration, taking into consideration strong coupling between movements of the body and vibrator. The research results are presented in the form of nomograms and approximation formulas expressed in terms of relative parameters. The results of the theoretical research were verified on the laboratory model and industrial machines.
Key words: Vibratory machines / transient resonance / estimation of maximal amplitude / nomogram method
© AFM, EDP Sciences 2018
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