Effect of Compressive Strain of Brake Pads on Brake Noise

Table 6

Noise characteristics of brake pads before and after chamfering.

Frequency range (kHz)	Noise threshold (dB)	Original pad	Chamfered pad
2–16	≥70	118	6
	≥80	101	0
2–4	≥70	43	1
	≥80	33	0
4–6	≥70	32	0
	≥80	25	0
6–10	≥70	37	0
	≥80	37	0
10–14	≥70	6	5
	≥80	6	0
14–16	≥70	0	0
	≥80	0	0