Influence of selected service operations on the effectiveness of brake system operation

• Autorzy: Witaszek K. , Stanik Z. , Filipczyk J.

Identyfikatory

DOI

10.5604/12314005.1217301

• Języki publikacji: EN

Abstrakty

EN

This paper attempts to clarify what impact has selected technical maintenance tasks on the effectiveness of the braking system with special emphasis on the initial break-in period of associated components. Were conducted studies involving measurements of braking forces on a rolling station and road tests Renault Thalia of car braking during which was recorded deceleration, speed, temperature of brake discs and the force of the pressure on the brake pedal. Braking process on the rolling station was assessed with a braking efficiency ratio as a criterion. However, results collected during road tests allowed studying for more accurate of running-in process of car barking system elements. This was due to taking into account the total vehicle braking force compared with the force applied to the brake pedal. The study was performed for the discs and brake pads exhibiting a different degree of wear, with particular emphasis on the running-in elements occurring immediately after replacing brake pads. In this case, there is a noticeable loss of performance brake system, which persists after initial running in mating faces of the pad and the brake disc. This phenomenon is known from workshop car service practice, but there is a need for sensitization of staff at the Pre-reaching elements of the service operations, because operation of a vehicle with a temporarily reduced efficiency of the braking system on a public road has the potential to cause threats to the safety of road users.

Słowa kluczowe

EN

transport; technical testing of vehicles; braking efficiency; brake disc; brake pad

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2016
• Tom: Vol. 23, No. 4
• Strony: 555--560
• Opis fizyczny: Bibliogr. 5 poz., rys.

Twórcy

autor

Witaszek K.

• Silesian University of Technology, Faculty of Transport Krasińskiego Street 8, 40-019 Katowice, Poland tel.: [phone], fax: [phone]

autor

Stanik Z.

• Silesian University of Technology, Faculty of Transport Krasińskiego Street 8, 40-019 Katowice, Poland tel.: [phone], fax: [phone]

autor

Filipczyk J.

• Silesian University of Technology, Faculty of Transport Krasińskiego Street 8, 40-019 Katowice, Poland tel.: [phone], fax: [phone]

Bibliografia

• [1] Day, A., Case studies in the braking of road vehicles, Braking of Road Vehicles, pp. 429-451, 2014.
• [2] Eriksson, M., Bergman, F., Jacobson, S., On the nature of tribological contact in automotive brakes, Wear, Vol. 252, Is. 1-2, pp. 26-36, 2002.
• [3] Eriksson, M., Bergman, F., Jacobson, S., Surface characterisation of brake pads after running under silent and squealing conditions, Wear, Vol. 232, Iss. 2, pp. 163-167, 1999.
• [4] Jacobsson, H., Aspects of disc brake judder, Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, Vol. 217, No. 6, pp. 419-430, 2003.
• [5] Yan, H.B., Feng, S.S., Yang, X.H., Lu, T.J., Role of cross-drilled holes in enhanced cooling of ventilated brake discs, Applied Thermal Engineering, Vol. 91, pp. 318-333, 2015.

Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.