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Continuous casting line

Continuous casting line

Maximum flexibility for various formats
Maximum flexibility for various formats

Maximum flexibility for various formats

As efficiency increases, so do the demands on continuous casting lines. Large forces, vibrations and shock have to be controlled in the continuous casting line: at the ingot mold movement for the homogeneity of the fluid metal or at the walking-beam for transport of slabs or billets. Comprehensive monitoring measures are, therefore, indispensable.

But the investment pays off, because only in this way can you prevent costly pouring interruptions before they happen, improve the quality of the product, and increase your offering variety.

The steel quality is determined at the continuous casting segments. The desired properties are achieved depending on the gradient, temperature and time of the reshaping. Therefore, maximum flexibility and peak reliability are required for the technology. Balluff sensors and systems provide you with security and guarantee a continuous process for a wide variety of product formats. Thanks to automatic format changing, every new customer requirement can be responded to in no time

Application examples

  • Highest safety for casting ladle control

    Highest safety for casting ladle control

    The solution

    The casting ladle movement requires peak reliability. And for safety reasons, all of this argues for multiple redundancy of the systems used there. Multiple redundant BTL magnetostrictive linear position sensors provide up to three independent measuring systems in one housing to meet all the requirements for safe operation of your continuous casting line.

    The features

    • Two or three times redundant
    • Various interfaces are possible
    • Protection class IP67

     

     

    Highest safety for casting ladle control
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  • Position sensing at the dummy bar

    Position sensing at the dummy bar

    The solution

    Regulate your processes reliably from the very beginning. Our BMF magnetic field sensors help you, among other things, in regulating the process start and give you the security that the position for the sprue on the casting line has been detected precisely and reliably.

    The features

    • More reliable than optical sensors since it withstands higher temperatures (up to +85 °C)
    • More flexible than inductive sensors since it can be installed with a greater switching distance
    Position sensing at the dummy bar
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  • Fast sensor replacement without leaks

    Fast sensor replacement without leaks

    The solution

    The Balluff Rapid Replacement Module allows you to quickly and easily replace BTL magnetostrictive linear position sensors in hydraulic cylinders. Since the complete sensor unit is replaced together with the integral waveguide, the hydraulic circuit remains closed. This minimizes the risk of leaks and prevents dirt from entering the hydraulic system.

    The features

    • Dimensions are identical to those of the standard rod position measurement system
    • For analog, SSI and DP/IP interfaces
    Fast sensor replacement without leaks
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  • Additional sensor protection when the system is stopped

    Additional sensor protection when the system is stopped

    The solution

    Protective enclosures for photoelectric sensors directly on the casting line are a sensible addition. The advantage: the sensors used do not have to withstand elevated temperature demands and are also able to handle temperature spikes should the system go down. This is because you can equip the protective housing with water cooling. Also, optional is a blower for preventing the buildup of dirt and contaminants.

    The features

    • Rugged, compact IP69K housing
    • Optional with ATEX approval (Zone 22)
    • Simple and quick to install
    • Protective tubing for sensor cable available
    Additional sensor protection when the system is stopped
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  • Checking slab length

    Checking slab length

    The solution

    Our photoelectric distance sensors are the optimum solution for measuring at the cooling section. There they check for the correct length of the cut slabs or billets with high precision. The exact length is monitored using the difference between two sensor results.

    The features

    • Independent of material and color
    • Contact-free and therefore wear-free
    Checking slab length
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  • Slab transport on the walking beam

    Slab transport on the walking beam

    The solution

    Precise location monitoring and continuous guiding of rotary movements are critical when transporting slabs. BSI inclination sensors are an outstanding solution to this challenge. On the walking beam they measure the deviation from the horizontal line on an axis by up to 360° – non-contact and with the highest precision.

    The features

    • Space-saving and rugged for use at –40...85 °C)
    • No mechanical coupling needed in contrast to rotary encoders
    Slab transport on the walking beam
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