Packaging industry
Packaging industry

Tailor made and efficient even for batch size 1

Packaging machines demand absolute accuracy and great flexibility. Both for high production rates and in small batches down to 1.

Here we offer our professional support. Whether for the reliable flow of material with track-and-trace, the correct handling of different packages, or the reliable handling of the packaging material. With Balluff sensors and system solutions, you can reliably achieve the desired flexibility and speed.

Pillow bag and cardboard packaging machines

Pillow bag and cardboard packaging machines involve a large product variety, resulting in the need for maximum flexibility. The machines produce many different pillow and packaging shapes. This is because new packaging concepts need to grab consumers' attention. The lot quantities become ever smaller and entail frequent format changes. The required flexibility and speed are reliably achieved with Balluff products.

  • Web edge control

    Web edge control

    The solution

    Our light array sensors measure the edge position of fast-running foil or woven bands. The determined values can be used to precisely control the drive and guides on your production equipment. The result is even and straight web running. Our sensors are available in a number of different versions. This allows you to respond flexibly to any customer requirement.

    Features

    • High linearity from even light distribution
    • For tight mounting conditions: compact version in rugged fork-style housing or with narrow emitter/receiver strips and separate electronics
    Web edge control
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  • Roll tensioning

    Roll tensioning

    The solution

    Trouble-free packaging on the pillow bag machine means ensuring that the roll material is continually tensioned and the correct length of film is always maintained. An inclination sensor from Balluff assists in continually tensioning by directly measuring the angle of the dancer arm.

    Features

    • No additional target needed: direct inclination measurement
    • Simple installation and startup
    • Greater accuracy than comparable solutions using an inductive sensor
    • No mechanical correction – simple teaching of the zero point on pin 4
    Roll tensioning
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  • Transparent film detection
  • Monitoring the diameter of film rolls

    Monitoring the diameter of film rolls

    The solution

    To make sure depleted film rolls are replaced in time and that their diameter is continually monitored. The BOD photoelectric distance sensors from Balluff are ideal for this application. They measure with extreme precision, regardless of color, material and degree of reflection in the foil.

    Features

    • Reduced downtimes thanks to precise and stable measurements
    • Independent of the film properties
    • Flexible use thanks to an adjustable measuring range
    • Fast and easy mounting, teach keys for setting
    • Long service life and reliable functionality: Rugged metal housing
    Monitoring the diameter of film rolls
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  • Print mark detection

    Print mark detection

    The solution

    Reference and print marks help to reliably detect packaging materials in automated production processes and to position them correctly. The BKT contrast sensor from Balluff reliably detects these reference marks.

    Features

    • Adjusting possible during operation
    • IP67
    • High switching frequency ensures a high fill rate
    Print mark detection
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  • Access control

    Access control

    The solution

    With industrial RFID systems you restrict access to machines for safety and to prevent tampering. Distinguishing between persons enables limited access to certain screens. The views for the interface can be automatically changed. Access control allows operator working times to be viewed and regular maintenance to be performed.

    Features

    • Reliable reading through 3 mm thick stainless steel wall on 125 kHz RFID antenna
    • Color coded key pendants for various user roles
    Access control
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  • Correct feed of the blister stack

    Correct feed of the blister stack

    The solution

    Blister packs filled with tablets are precisely packed in portioned boxes. This means they have to be fed with exact precision. Our BMF magnetic sensors monitor the position of the pneumatic grippers on the machine, thereby preventing deviations.

    Features

    • Precise positioning
    • Correct feeding
    • High flexibility
    • Available for any T- or C-slot
    Correct feed of the blister stack
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  • Format adjustment

    Format adjustment

    The solution

    Packaging is playing an increasingly large role in purchasing decisions. They are often the only differentiating feature versus the competition. Balluff's magnetostrictive linear position sensors simplify the measuring and storing of shape data and make fast/reliable format changes when possible, thereby increasing the yield rate.

    Features

    • Production reliability thanks to automated format changing
    • Reduced setup times
    Format adjustment
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  • Code and plain text detection on packaging

    Code and plain text detection on packaging

    The solution

    Of relevance to quality assurance at the end of the packaging process is checking plain text on the packaging and verifying the printed barcode. Manufacturing/expiration dates and serial numbers need to be quickly and reliably verified. BVS vision solutions from Balluff are the right answer for a wide variety of applications in image processing.

    Features

    • Read, check and verify codes and text in one step
    • Flexible, targeted linking to the production environment
    • SmartCamera: available as IO-Link or fieldbus version
    • Complete imaging and analysis in one product
    • Standardized C-mount lenses and M12 connectors
    Code and plain text detection on packaging
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Palletizing and depalletizing systems

The palletizing and depalletizing of boxes and cartons demands absolute accuracy and great flexibility. At the same time, the largest possible quantities need to be processed. Use the professional support of Balluff for the reliable flow of material with track-and-trace, the correct handling of different packages, or the reliable handling of the packaging material. At the same time, our sensors also ensure exact positioning for an uninterrupted packaging process.

  • Exact positioning of stretch films

    Exact positioning of stretch films

    The solution

    When wrapping the product with stretch film, conserving material is key. This means the stretch film must be precisely positioned. Our BML magnetic encoder is the ideal solution.

    Features

    • Simple to use, wear-free, non-contact
    • Space-saving and easy to integrate thanks to a compact form factor
    Exact positioning of stretch films
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  • Verifying stack height on the pallet

    Verifying stack height on the pallet

    The solution

    The BOD photoelectric distance sensors check pallet heights with extraordinary accuracy, even over longer distances. The sensor is versatile thanks to a settable measuring range and its flexibility with different pallet heights.

    Features

    • Reliable regardless of material or surface properties
    • Parameterization and diagnostics functions via IO-Link
    • Simple, intuitive operation with keys and display
    • Maximum protection with Laser Class 1
    • Long service life thanks to rugged housing with higher enclosure ratings
    Verifying stack height on the pallet
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    Have any questions? Please give us a call or send us an email. We look forward to hearing from you.