METHODS AND APPARATUS FOR MANUFACTURING OPERATIONS

摘要

It is disclosed an apparatus (500) for performing a manufacturing operation on a workpiece (20), the apparatus comprising a track assembly (510) adapted to be attached to the workpiece; a carriage assembly (520) moveably coupled to the track assembly (510) and moveable relative to the workpiece (20); and a position sensor (540) operatively coupled to the carriage assembly (520) and including a sensor element (544) adapted to be operatively positioned relative to the workpiece (20), the sensor element (544) being adapted to detect at least one edge of an index feature (21) on the workpiece (20) from a distance away from the index feature (21).