ARAI Journal of Mobility Technology

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A Study of Knocking Noise in Disc Brake System and Its Elimination


Affiliations
1 Hitachi Astemo, Pune, Maharashtra, India
     

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In the automotive industry, elimination of Brake Noise is a tough challenge. In Past, extensive research and investigation has been done to eliminate brake vibrations/noises and improve vehicle comfort. Disc Brake noises are broadly classified into Squeal noise, Groan/moan, Judder, Wire-brush/Chirp, Rattle etc. These are mainly friction induced vibrations. Lots of study has been done already in characterizing and eliminating these friction induced noises. Apart from these, instantaneous noises (knocking/hitting type) are also observed in Brake System. This paper deals with the study and elimination of such an instantaneous “Knocking Noise” observed in Front Disc Brake system of a Passenger SUV vehicle.

Keywords

Disc Brake Noise, Knocking Noise, Brake Pad Shim, Pad – Bracket Clearance, Acoustic Mapping, Disc Brake Noise Acquisition.
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  • Amr M. Rabia, Nouby M. Ghazaly, M. M. Salem, Ali M. Abd-El-Tawwab, EXPERIMENTAL STUDIES OF AUTOMOTIVE DISC BRAKE NOISE AND VIBRATION: A Review, International Journal of Modern Engineering Research (IJMER), Vol.3, Issue.1, Jan-Feb. 2013 pp-199-203 ISSN: 2249-6645. Page 2

  • Xu Wang, Sabu John, He Ren, A STUDY OF SQUEAL NOISE IN VEHICLE BRAKE SYSTEM, IMECE2011-62084, Proceedings of the ASME 2011 International Mechanical Engineering Congress & Exposition, IMECE2011, November 11-17, 2011, Denver, Colorado, USA. Page 2, DOI: 10.1115/ MECE2011-62084


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  • A Study of Knocking Noise in Disc Brake System and Its Elimination

Abstract Views: 93  |  PDF Views: 0

Authors

Jeevan Kizhakkekalayil
Hitachi Astemo, Pune, Maharashtra, India
Sagar Malape
Hitachi Astemo, Pune, Maharashtra, India
Anand Wadodkar
Hitachi Astemo, Pune, Maharashtra, India
Raajha MP
Hitachi Astemo, Pune, Maharashtra, India

Abstract


In the automotive industry, elimination of Brake Noise is a tough challenge. In Past, extensive research and investigation has been done to eliminate brake vibrations/noises and improve vehicle comfort. Disc Brake noises are broadly classified into Squeal noise, Groan/moan, Judder, Wire-brush/Chirp, Rattle etc. These are mainly friction induced vibrations. Lots of study has been done already in characterizing and eliminating these friction induced noises. Apart from these, instantaneous noises (knocking/hitting type) are also observed in Brake System. This paper deals with the study and elimination of such an instantaneous “Knocking Noise” observed in Front Disc Brake system of a Passenger SUV vehicle.

Keywords


Disc Brake Noise, Knocking Noise, Brake Pad Shim, Pad – Bracket Clearance, Acoustic Mapping, Disc Brake Noise Acquisition.

References





DOI: https://doi.org/10.37285/ajmt.2.4.10