Maximum precision for the finish in the steel mill
Maximum precision for the finish in the steel mill

Quality products for a superior finish

Before steel can leave the plant, it must be processed for later use as much as possible. To achieve this, it is rolled as a plate, wire or rail and provided with surface refinement. The quality of these final steps is visible later in the product. Accordingly, even the smallest errors are irreversible and cannot be allowed to happen.

The highest level of precision is essential. Balluff provides this with quality products for cold rolling and surface refinement. Whether it's at the dancer roll, winder or coating system or during quality control: With these products you will get the best performance, even in the final stretch.

Application examples

  • Correct roll position at the winder and unwinder

    Reliable and precise for optimum winding

    The solution

    Our BTL magnetostrictive linear position sensors are typically used anywhere where high reliability and accuracy are required. They even guarantee maximum precision when coils are wound during cold rolling, because, for example, the pressure roller is guided depending on the roll diameter.

    The features

    • Contact-free and therefore wear-free
    • Insensitive to contamination, degree of protection IP67
    Reliable and precise for optimum winding during cold rolling
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  • Pressure measurement during surface refinement

    Reliable and acid-resistant for high functional security

    The solution

    Functional security during surface refinement is guaranteed by our HCL-resistant BSP pressure sensors. Even under the harsh conditions that prevail there and where there is a potential for contact with hydrochloric acid, they enable the reliable pressure measurement of process media.

    The features

    • Acid-resistant process connection made of PVDF
    Reliable pressure measurement during cold rolling
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    Industry team

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  • Sheet feeding for the coil

    True all-rounders control the material feed

    The solution

    As precise all-rounders, Balluff BUS ultrasonic sensors detect plates on rolls and coils and regulate the correct material feed at the dancer roll according to the plate sag. In doing so, they ensure the correct roller drive and that the plate tension is always perfect.

    The features

    • Non-contact detection
    • Reliable when there are high demands and rough conditions in the steel mill
    Detect plates on rolls and coils
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    Industry team

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  • Quality control at the coating system

    Unbeatable in the inspection of plate coatings

    The solution

    The Balluff BFS color sensor offers unbeatable high quality in the inspection of plate coatings. Here, it reliably detects even the finest color nuances or whether a plate leaves production polished or unpolished. Even in the case of temperature fluctuations, it reliably identifies the plates.

    The features

    • Three digital outputs and a serial interface for performing evaluations (direct output of Lab color values)
    • Distinguish any number of colors
    • Large sensing distance up to 400 mm
    Quality control at the coating system
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    Industry team

    Do you have questions? Would you like a consultation? Our industry team looks forward to hearing from you.