The Primary Noise Control in the Work Environment by Increasing the Quality of Bearings and Effective Mounting of Machines

• Autorzy: Žiaran Stanislav , Šooš Ľubomír , Chlebo Ondrej

Identyfikatory

DOI

10.24425/aoa.2020.133146

• Języki publikacji: EN

Abstrakty

EN

Implementation of European directives is closely related to the quality of production and the associated operational safety, maintenance of machines and mechanical systems, both mobile or stationary, in order to reduce the dynamic load (vibration and noise) on the working environment, not only during their operating state but also during their design, production, and setting of the vibration isolation components. Reducing the dynamic load of mechanical systems and their components is reflected in the working environment by reduced emissions and immissions of noise and vibration. The presented paper investigates the methods and conditions for noise and vibration control, focusing mainly on increasing the quality of rotating machine components, such as bearings by means of effective vibration isolation of the machines. The solution of this problem requires theoretical analysis and methodology for the measurement of the mechanical systems involved. The results of the vibroacoustic measurements were analysed in terms of the low frequency vibration and noise level (quality) of bearings and conditions for effective vibration isolation of the machines using vibroacoustic diagnostic method. Furthermore, the impact on the working environment was also analysed. Finally, the paper suggests some actions to be taken to effectively reduce the unwanted vibrosound energy in working places, also using recycled material as a vibration isolation element.

Słowa kluczowe

EN

noise control; vibroacoustics; vibroisolation; human; measures

• Wydawca: Instytut Podstawowych Problemów Techniki PAN ; Komitet Akustyki PAN ; Polskie Towarzystwo Akustyczne
• Czasopismo: Archives of Acoustics
• Rocznik: 2020
• Tom: Vol. 45, No. 2
• Strony: 253--262
• Opis fizyczny: Bibliogr. 21 poz., fot., rys., wykr.

Twórcy

autor

Žiaran Stanislav

• Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Nám. Slobody 17, 812 31 Bratislava

autor

Šooš Ľubomír

• Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Nám. Slobody 17, 812 31 Bratislava

autor

Chlebo Ondrej

• Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Nám. Slobody 17, 812 31 Bratislava

Bibliografia

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• 2. Balažikova M., Sinay J. (2012), Implementation of auditory and non-auditory effects of noise in the risk assessment process in mechanical engineering, Procedia Engineering, 48: 621-628, doi: 10.1016/j.proeng.2012.09.562.
• 3. Darula R., Žiaran S. (2011), An experimental study of optimal measurement point location for gear wheel state-of-wear measurements by means of vibro-acoustic diagnostics, Journal of Mechanical Engineering, 62 (2): 61-79.
• 4. Flimel M. (2017), Possibilities of active reduction of noise in the workplace, Akustika, 28: 27-31.
• 5. Galovič R. (2006), Output quality and operation condition evaluation of gearings using vibroacoustic diagnostics, Acta Mechanica Slovaca, 1: 131-136.
• 6. ISO 5348-1998 (1998), Mechanical vibration and shock. Mechanical mounting of accelerometers, Case Postate 56, Genéve 20, Switzerland.
• 7. ISO 7919-1, Mechanical vibration of non-reciprocating machines. Measurement on rotating shafts and evaluation criteria. Part 1: General instructions, Case Postate 56, Genéve 20, Switzerland (withdrawn, publication date: 1996-07, next norm: ISO 20816-1:2016).
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• 15. Tůma J. (2009), Signal Processing, Ostrava: Textbook VŠB – TU Ostrava, pp. 156.
• 16. Žiaran S. (2010), Vibro- and sound-isolation of the low-frequency noise of the building equipment, [in:] INTER-NOISE and NOISE-CON Congress and Conference Proceedings, Vol. 2010, No. 8, pp. 3263-3272, Institute of Noise Control Engineering.
• 17. Žiaran S., Chlebo O. (2016), Noise control transmission methods of the combustion engine by means of reduction of the vibration, Archives of Acoustics, 41 (2): 277-284, doi: 10.1515/aoa-2016-0027.
• 18. Žiaran S., Chlebo O. (2017), The transmission of vibroacoustic energy from the industrial machines through the building structure to the mounting base, [in:] Proceedings of 24th International Congress on Sound and Vibration 2018 (ICSV 24), Vol. 4, pp. 2513-2520, London, UK.
• 19. Žiaran S., Darula R. (2013), Determination of the state of wear of high contact ratio gear sets by means of spectrum and cepstrum analysis, Journal of Vibration and Acoustics ASME, 135 (2): 021008-1-021008-10, doi: 10.1115/1.4023208.
• 20. Žiaran S., Musil M., Chlebo O. (2015), Determination of the bearing quality by means of vibroacoustic response, [in:] Proceedings of the ASME 2015 Noise Control and Acoustics Division Conference at Inter-Noise 2015. ASME 2015 Noise Control and Acoustics Division Conference, San Francisco, California, USA, August 9-12, 2015, V001T01A004, ASME, doi: 10.1115/NCAD2015-5910.
• 21. Žiaran S., Musil M., Chlebo O., Šooš L. (2015), Design of the inspection method for double-raw ball bearing in terms of vibration and noise level for automobile water pumps, Research Project of SjF STU in Bratislava.

Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).