Method and apparatus for continuously straightening thin...

Details Method and apparatus for continuously straightening thin... Method and apparatus for continuously straightening thin...

B - Operations, Transporting

21

D

153/14

B21D 1/05 (2006.01)

Patent

CA 1250515

METHOD AND APPARATUS FOR CONTINUOUSLY STRAIGHTENING THIN METAL STRIP ABSTRACT OF THE DISCLOSURE A method of continuously straightening metal strip comprises directing the strip over devices which act on the strip to effect its straightening by first causing a stretching and leveling and thereof the stretching and bending. The device for continuously straightening the thin metal strip comprises a plurality of entrance rollers arranged in succession at an entrance portion and a plurality of delivery rollers arranged in succession at a delivery portion with a stretching and bending device arranged between the two portions. The metal strip is guided over the entrance and delivery rollers as the rollers are driven by a drive motor and a common drive member driven by the motor. At least two of the entrance rollers and at least two of the delivery rollers are tensioning rollers. A differential is included in the drive of each tensioning roller and it includes an overdriving motor with an adjustable speed.

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