| 摘要 |
A production line for lift guides comprises a plurality of work stations among which a sandblasting station with burring or trimming of the guide, a drawing station, a roller straightening station, a cutting station, a twisting station and a continuously- operating precision straightening station, a broaching station and a plurality of finish stations; an apparatus for straightening of the guides comprises at least two reading units and a work unit mutually spaced apart for acting close to at least three longitudinally spaced apart distinct areas of a guide; the reading units read a respective position of the grip areas relative to an optimal alignment condition of the guide and the work unit acts on the respective grip area of the guide for imposing a deformation adapted to restore a condition of substantial alignment of the guide. |
