Stretch-Bend-Leveling Lines

Within the leveling process, Stretch-Bend-Leveling Technology
has the most effective outcome on thin metals. Various shape defects
such as waviness, crossbow, and coil sets are easily eliminated.

World market leader in the leveling technology for metal strips

The continuous development of stretch-bend-leveling lines has made b+s the world market leader in the leveling spectrum of thin and ultra-thin metals. By working in tandem, we subject the material to tension and bending. The material limits, such as yield strength, elongation, and spring bending set the parameters for what can be adjusted and for how internal stresses can be reduced. As a result, strip shape defects such as waviness, crossbow, the longitudinal bow and camber can be reduced to a minimum. These improvements in the strip’s quality significantly optimize downstream processing. As an example, the forming properties of the strip are improved, the shape accuracy of the end products is increased, and a thinner layer of surface coatings can be applied. Fewer coatings to cover up imperfections.

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Line Specification

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Coil Weight

up to 30.000 kg
up to 66,140 lbs

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Strip Width

up to 1.650 mm
up to 65″

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Material Thickness

0,02 up to 2,0 mm
0.0008“ up to 0.08″

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Speed

over 400 m/min
over 1,312 fpm

Our services include

Detailed project consultation
Customer-oriented kick-off meeting
In-house design office
Intensive interaction between mechanical and electrical design
High value-added chain with in-house manufacturing and assembly,
Intensive exchange with our and the customer´s logistics
External assembly and commissioning with b+s engineers
Successful project completion

Advantages of a b+s Stretch-Bend-Leveling Line

  • very high degree of automation
  • Elimination of strip imperfections by flatness measurement and aligned leveling technology
  • patented, maintenance-friendly straightening roll bearing, high processing speed,
  • Improvement of thermoforming properties
  • Increasing production times by eliminating downtime
  • Experience in processing ultra-high-strength materials with tensile strength above 1,500 N/mm² (0.22 pound/square inch) and a yield strength above 1,100 N/mm² (0.16 pound/square inch)

Our Stretch-Bend-Leveling Lines in use