Patent ID: 7640832
Filing Date: 2010-01-05
Classification: B23B,Y10T

Abstract:
1. An on-car brake lathe system for resurfacing a brake rotor of a vehicle brake assembly, the brake lathe system having a support structure securing a drive motor, an adjustable cutting head, and output spindle adapted for coupling to a vehicle wheel hub and rotationally driven about a drive axis by the drive motor, further comprising: a sensor configured to produce at least one steady-state measurement indicative of runout present between the output spindle stopped at an associated discrete rotational position and the vehicle wheel hub; a rotational position detector configured to produce a signal representative of the discrete rotational position of said output spindle about the drive axis, associated with the steady-state measurement indicative of runout from the sensor; a microprocessor configured to receive a plurality of said steady-state measurements and associated discrete rotational position signals, and to calculate a runout characteristic between the output spindle and the vehicle wheel hub.