Effect of Disc Brake Squeal with Respect to Thickness Variation : Experimental Modal Analysis / R. Samin ... [et al.]

Samin, R. and Hao, N.C. and As’arry, A. and M. Rezali, K.A. and Nuawi, M.Z. (2018) Effect of Disc Brake Squeal with Respect to Thickness Variation : Experimental Modal Analysis / R. Samin ... [et al.]. Journal of Mechanical Engineering (JMechE), SI 6 (1). pp. 33-44. ISSN 18235514

Abstract

Disc brake or rotor squeal is an ongoing problem that occurs in the automotive industry. An undesirable disc brake noise problem can arise after a period of time of usage. The purpose of this paper is to investigate the structural dynamic behaviour of disc brakes with different wear thickness by using Experimental Modal Analysis. The wear thickness of disc brake rotors are 0.5 mm, 1.0 mm and 1.5 mm from the original thickness of 15.8 mm and 3.2234 kg weight. The modal parameters such as natural frequency, damping ratio, and mode shape are obtained in a free-free condition by using an impact hammer test. For original thickness of disc brake rotor, the first eight natural frequencies are 1256.4 Hz, 2486.9 Hz, 2654.9 Hz, 3092.1 Hz, 3348.7 Hz, 3407.0 Hz, 4130.0 Hz, and 5709.6 Hz. The results show that the natural frequency decreases when the thickness reduction increased at the same mode. It can be concluded that the wear effect of the disc brake rotor is one of the factors which may lead to the brake squeal problem due to the reduction of the natural frequency of the disc brake rotor.

Metadata

Item Type: Article
Creators:
Creators
Email / ID Num.
Samin, R.
zali@upm.edu.my
Hao, N.C.
UNSPECIFIED
As’arry, A.
UNSPECIFIED
M. Rezali, K.A.
UNSPECIFIED
Nuawi, M.Z.
UNSPECIFIED
Subjects: T Technology > TJ Mechanical engineering and machinery
T Technology > TJ Mechanical engineering and machinery > Machinery exclusive of prime movers
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Mechanical Engineering
Journal or Publication Title: Journal of Mechanical Engineering (JMechE)
UiTM Journal Collections: UiTM Journal > Journal of Mechanical Engineering (JMechE)
ISSN: 18235514
Volume: SI 6
Number: 1
Page Range: pp. 33-44
Keywords: Experimental Modal Analysis, Disc Brake, Disc Thickness Variation
Date: 2018
URI: https://ir.uitm.edu.my/id/eprint/41012
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