Maximum precision for the finish
Maximum precision for the finish

Maximum precision for the finish

Before the steel leaves the plant, it needs to be finished as much as possible for future use: rolled into a sheet, wire or rail and surface finished. Even the slightest flaws here are irreversible and will be evident later on the product. The quality of the finish is, therefore, essential to the market success.

For cold rolling and surface treatment, Balluff provides high precision: quality products for best performance even in the final stretch – at the dancer roll, winder, coating system or quality control.

Application examples

  • Correct roll position at the winder and unwinder

    Correct roll position at the winder and unwinder

    The solution

    Are you looking for a solution for optimal winding? Then our BTL magnetostrictive linear position sensors are the right choice. They are used wherever high reliability and accuracy are required, and also guarantee the highest precision when winding coils during cold rolling. For example by guiding the pressure roller as a function of the roll diameter.

    The features

    • Contact-free and therefore wear-free
    • IP67 protection against contamination
    Correct roll position at the winder and unwinder
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    Industry team

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  • Pressure measurement during surface finishing

    Pressure measurement during surface finishing

    The solution

    Functional reliability during surface finishing is guaranteed by our HCL-resistant BSP pressure sensors, because they enable reliable pressure measurement of process media even if they come into contact with aggressive media such as hydrochloric acid.

    The features

    • Acid-resistant process connection made of PVDF
    Pressure measurement during surface finishing
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    Industry team

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  • Sheet feeding for the coil

    Sheet feeding for the coil

    The solution

    BUS ultrasonic sensors from Balluff are precision all-rounders. They detect sheets on rolls and coils and regulate the correct material feed on the dancer roll according to the sheet sag. In this way they ensure the correct roller drive and that the sheet tension is always perfect.

    The features

    • Contactless detection
    • Reliable under demanding requirements and harsh conditions
    Sheet feeding for the coil
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    Industry team

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  • Quality control at the finishing system

    Quality control at the finishing system

    The solution

    Fulfilling your highest quality requirements: the BFS color sensor from Balluff is unrivaled in inspecting sheet and plate finishes. It detects even the slightest color nuances and reliably registers whether a sheet leaves the plant polished or unpolished. Even temperature fluctuations won't keep it from correctly and reliably distinguishing the finished pieces.

    The features

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