RESEARCH PAPER
Assessment of disc brake vibration in rail vehicle operation on the basis of brake stand
1
Poznan University of Technology, Institute of Transport, ul. Piotrowo 3, 60-965 Poznan, Poland
2
DB Systemtechnik GmbH, Adlergestell 143, 12439 Berlin, Germany
Publication date: 2021-06-30
Eksploatacja i Niezawodność – Maintenance and Reliability 2021;23(2):221-230
HIGHLIGHTS
- In the operation of a disc brake, the geometry of the system changes with the wear of the pads.
- The lever system is characterized by an uneven distribution of masses on the right and left side of the disc.
- There is a difference in the vibroacoustic signals of the right and left brake pads.
- The heavier side of the system shows greater friction in the joints and a reduction in pad vibration.
- The non-uniform vibrations of the friction pads indicate a disturbance in the braking process.
KEYWORDS
ABSTRACT
The scientific aim of the article is to present the relationship between the vibroacoustic signals of the right and left friction pad during braking, depending on the mass distribution, as an element of the lever system. This article presents the results of tests of a railway disc brake in the scope of vibrations generated by pads in various states of wear located on both sides of the brake disc. The tests were carried out on the brake stand using the vibroacoustic method including the analysis of amplitudes and frequencies and the thermal imaging method. Special attention was paid to the analysis of the classic lever mechanism as a multimass system influencing the thermo-mechanical characteristics and vibrations of the pads on the right and left side of the brake disc. Uneven mass distribution of the system translates into uneven wear of the friction components. The scientific aim of this paper is to present the relation between vibroacoustic signals of the right and left friction pad during braking depending on the mass distribution of the lever system component.
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CITATIONS (7):
1.
Investigation and Modelling of the Weight Wear of Friction Pads of a Railway Disc Brake
Wojciech Sawczuk, Agnieszka Merkisz-Guranowska, Dariusz Ulbrich, Jakub Kowalczyk, Armando-Miguel Cañás
Materials
Wojciech Sawczuk, Agnieszka Merkisz-Guranowska, Dariusz Ulbrich, Jakub Kowalczyk, Armando-Miguel Cañás
Materials
2.
New approach to brake pad wear modelling based on test stand friction-mechanical investigations
Wojciech Sawczuk, Agnieszka Merkisz-Guranowska, Cañás Rilo, Sławomir Kołodziejski
Eksploatacja i Niezawodnosc - Maintenance and Reliability
Wojciech Sawczuk, Agnieszka Merkisz-Guranowska, Cañás Rilo, Sławomir Kołodziejski
Eksploatacja i Niezawodnosc - Maintenance and Reliability
3.
Tribological Properties of Laminate Composite Brake Material for High-Speed Trains
Xinhao Zhang, Peng Tao, Yuying Wen, Xiaolu Zhang, Youyuan Zhang, Weiguang Zhong, Qingzhi Yan
Tribology Transactions
Xinhao Zhang, Peng Tao, Yuying Wen, Xiaolu Zhang, Youyuan Zhang, Weiguang Zhong, Qingzhi Yan
Tribology Transactions
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Application of Gas Dissolved in Fuel in the Aspect of a Hypocycloidal Pump Design
Maciej Bajerlein, Wojciech Karpiuk, Rafał Smolec
Energies
Maciej Bajerlein, Wojciech Karpiuk, Rafał Smolec
Energies
5.
Multiobjective optimization of internal and surface structure of high-speed and heavy-duty brake disc
Jian Yin, Qiang Hao, Yu Liu, Shengfang Zhang, Zhihua Sha
Advances in Mechanical Engineering
Jian Yin, Qiang Hao, Yu Liu, Shengfang Zhang, Zhihua Sha
Advances in Mechanical Engineering
6.
Evaluation of weight wear of disc brake pads after test stands
Wojciech Sawczuk, Cañás Rilo, Sławomir Kołodziejski
Rail Vehicles/Pojazdy Szynowe
Wojciech Sawczuk, Cañás Rilo, Sławomir Kołodziejski
Rail Vehicles/Pojazdy Szynowe
7.
Analysis of Asymmetric Wear of Brake Pads on Freight Wagons despite Full Contact between Pad Surface and Wheel
Sergii Panchenko, Juraj Gerlici, Alyona Lovska, Vasyl Ravlyuk, Ján Dižo, Miroslav Blatnický
Symmetry
Sergii Panchenko, Juraj Gerlici, Alyona Lovska, Vasyl Ravlyuk, Ján Dižo, Miroslav Blatnický
Symmetry
| eISSN: | 2956-3860 |
| ISSN: | 1507-2711 |
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