Apparatus and method for automatically compensating for lateral runout
First Claim
1. An on-vehicle disc brake lathe system for resurfacing a brake disc of a vehicle brake assembly having a hub rotation axis, the brake lathe system comprising:
- a lathe body with a driving motor;
a drive shaft having a drive shaft axis and extending from the lathe body and operably connected to the driving motor so as to be rotated by the driving motor;
an alignment coupling connected to and rotatable with the drive shaft and configured to provide an adjustable connection between the drive shaft and the vehicle brake assembly, the alignment coupling being configured to vary an axial alignment between the hub rotation axis and the drive shaft axis;
a runout sensor operable to measure a lateral runout condition of the vehicle brake assembly and to produce a runout signal corresponding to the lateral runout condition; and
an electronic feedback control system operable to adjust the adjustable connection of the alignment coupling based on the runout signal so as to improve the axial alignment between the hub rotation axis and the drive shaft axis.
3 Assignments
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Accused Products
Abstract
An on-car disc brake lathe system for resurfacing a brake disc of a vehicle brake assembly includes a lathe body with a driving motor, a cutting head operably attached to the lathe body, and a drive shaft. The system also includes an alignment system having an electronic controller, input and output adaptors configured to rotate with the drive shaft, one or more adjustment discs, and an adjustment mechanism. The adjustment disc is positioned between the input adaptor and the output adaptor, and an axial alignment of the input adaptor relative to the output adaptor may be varied based on a rotational orientation of the adjustment disc. The adjustment mechanism is configured to change the rotational orientation of the adjustment disc in response to commands from the electronic controller.
35 Citations
10 Claims
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1. An on-vehicle disc brake lathe system for resurfacing a brake disc of a vehicle brake assembly having a hub rotation axis, the brake lathe system comprising:
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a lathe body with a driving motor;
a drive shaft having a drive shaft axis and extending from the lathe body and operably connected to the driving motor so as to be rotated by the driving motor;
an alignment coupling connected to and rotatable with the drive shaft and configured to provide an adjustable connection between the drive shaft and the vehicle brake assembly, the alignment coupling being configured to vary an axial alignment between the hub rotation axis and the drive shaft axis;
a runout sensor operable to measure a lateral runout condition of the vehicle brake assembly and to produce a runout signal corresponding to the lateral runout condition; and
an electronic feedback control system operable to adjust the adjustable connection of the alignment coupling based on the runout signal so as to improve the axial alignment between the hub rotation axis and the drive shaft axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification