SQUEAL NOISE SUPPRESSION IN FLOATING AND RIGID TYPE CAR DISK BRAKES BY PARTIAL CUTTING OF PAD SURFACES

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  • Ryu Takahiro
    Department of Production Systems Engineering, Oita University
  • Sueoka Atsuo
    Department of Intelligent Machinery and Systems, Kyushu University
  • Shirozu Kenji
    Department of Intelligent Machinery and Systems, Kyushu University
  • Nakano Yutaka
    Department of Intelligent Machinery and Systems, Kyushu University

Description

Two kinds of disk brakes are used in cars. One is called a "floating type disk brake", and the other is called a "rigid type disk brake". In this paper, the squealing mechanism and the effect of squeal reduction by cutting a part of the pad surfaces in the circumferential direction are investigated in both types of disk brakes. These results are compared with each other. Moreover, the frictional vibration of a block subjected to distributed friction at the contact surface was treated analytically and experimentally, and a common mechanism of vibration of the block and disk brake was found.

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