| 摘要 |
PURPOSE: A device for warning of the change period of a brake rotor for a vehicle is provided to prevent an accident caused by brake judder and reduce claim. CONSTITUTION: A device for warning of the change period of a brake rotor for a vehicle comprises a non-contact type change period-detecting sensor(4) installed to a knuckle(3) connected to a caliper(1) and a disk plate(2), to detect circumferential judder or the change degree in the thickness of the disk plate by an electric signal; a control unit(5) producing an output signal to a warning unit(6) by receiving an output signal of the non-contact type change period-detecting sensor and comparing the circumferential judder or the change degree of the disk plate with a reference value; and the warning unit warning of the circumferential judder or the change degree in the thickness through sound or light, if the output signal is produced from the control unit.
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