Methods and apparatus for manufacturing operations

摘要

It is disclosed an apparatus for supporting a manufacturing tool (450) relative to a workpiece (402), the apparatus comprising a track assembly (410) adapted to be attached to the workpiece (402) and including at least one rail, the rail having a longitudinally-extending neutral axis (486) and a rack (480) extending along a pitch line that at least approximately coincides with the longitudinally-extending neutral axis (486). (Fig. 2)