Wood and pulp industry
Wood and pulp industry

Efficient wood and paper processing

From unfinished wood planks to high-quality paper – intelligent sensors and position measurement systems ensure greater efficiency in woodworking and paper-making machinery. Even though sensors in the forestry and sawmill industries are subjected to the harshest ambient conditions, they must still work with the highest reliability. Our innovative sensor technology is robust, precise, and enables fast, automated processes.

Application examples

  • Controlling the paper winding process

    Efficient winding process in paper production

    The solution

    Highly modern hydraulics and position measuring technology can handle high production speeds in the paper winding process. Our BTL magnetostrictive linear position sensors, which are securely packed in the hydraulic cylinder, continually report the exact position.

    The features

    • Different interfaces
    • High sampling rates are possible
    Highly modern hydraulics and position measuring technology control the winding process in paper production
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  • Hydraulically controlling the head box

    Optimum results in paper production

    The solution

    In paper production, the headbox evenly applies the stock suspension on the wire mesh. Hydraulic components control the deckle plates and headbox bottom lip. Our precise position measurement systems in hydraulic cylinders reliably ensure quality thanks to their stainless steel sensor head - even in this aggressive environment.

    The features

    • For use in an aggressive environment: Stainless steel sensor head
    • Tolerant of vibration
    • IP69K
    Hydraulically controlling the headbox in paper production
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  • Blade positioning on veneer lathes

    Position feedback for closed-loop servohydraulics

    The solution

    Intelligent cylinders with Balluff's in-cylinder Micropulse linear position sensors ensure that the contact pressure of the blade remains constant. They precisely control its position while it peels the logs in veneer production.

    The features

    • Fast update rate for high-performace closed loop control
    • Rugged design withstands shock and vibration
    • IP67 metal housing – protection against swarf, sawdust, and other environmental factors
    Guiding peeling knives in veneer production
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  • Saw blad positioning

    Individual blade adjustment ensures optimization

    The solution

    In primary lumber, hydraulic cylinders are used to position the blades on gang saws. This highly-dynamic process requires high-perfomance closed-loop servohydraulic control. Balluff Micropulse linear position sensors provide the cylinder position feedback necessary to close the loop. High accuracy and fast update rates ensure high performance.

    The features

    • Fast update rates suitable for closed-loop operation
    • Rugged design for high shock and vibration resistance
    Adjusting saw blade position in woodworking
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  • Log positioning in vertical band saws

    High repeatability in vertical band saws

    The solution

    Fast and flexible: Our BTL magnetostrictive linear position sensors ensure that the log is guided to the desired board thickness after each successive cut.

    The features

    • Pressure-resistant for integration in hydraulic cylinders
    • High repeat accuracy
    • Electronics head can be replaced in the event of service
    Log positioning in vertical band saws
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  • Monitoring of hydraulic cylinders in debarking machinery

    Precise monitoring of the piston position for processing logs of various thicknesses

    The solution

    Our vibration-resistant BTL magnetostrictive linear position sensors are used in hydraulic cylinders to optimally feed logs of various sizes into debarking machinery. This allows you to reliably monitor the piston position of the feed unit.

    The features

    • Reliable, with high protection class
    • Rugged housing
    • Direct signal evaluation or in conjunction with processor units for all control and closed-loop systems
    Monitoring of hydraulic cylinders in debarking machinery
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    Have any questions? Please give us a call or send us an email. We look forward to hearing from you.