Importance

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Abstract

A disc brake lathe for machining a brake disc on a vehicle without removing the brake disc from the vehicle but only the wheel and other parts of the brake mechanism. The disc brake lathe comprises a power drive unit for rotating a brake disc on the vehicle and a lathe head having at least one cutting tool for machining a brake disc while the brake disc on the vehicle is rotated by the power drive unit. The lathe head is adapted to be mounted on the vehicle for machining a brake disc on the vehicle and includes a motor for power feeding of the at least one cutting tool during machining. The vibration of the lathe head during machining, which causes rough surface finish on the machined brake discs, is avoided or reduced by the provision of a vibration dampener which is attached to the lathe head for absorbing energy of vibration. The frequency of vibration of the lathe head during machining is also adjustable through the provision of controls for adjusting the rate of power feeding of the at least one cutting tool during machining and for adjusting the speed at which the power drive unit rotates the brake disc during machining whereby the amplifying effects of resonance can be avoided by adjustment of the frequency of vibration of the lathe head.

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First Claim