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BookGuard – Finished Book Quality Inspection System
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BookGuard – Finished Book Quality Inspection System

BookGuard is an advanced inspection system installed along the bookbinding line to check all six sides of a book after three-side trimming. It accurately detects defects such as dimensional deviations, cover misalignment or uncut areas, trimming skew, cover stains, large color differences, double cuts (head trim), corner folds, spine misalignment, corner collisions, and glue tail gaps—ensuring the overall appearance and structural quality of every finished book.

    Product features

    • High Precision: Combines AI algorithms with traditional image processing for more accurate detection and fewer false alarms.
    • Comprehensive Inspection: Inspects all six sides of the finished book and can also identify internal page defects such as folded corners.
    • Compact Design: Short equipment length, easily adaptable to various bookbinding lines.
    • User-Friendly Software: Simple and intuitive operation interface for quick setup and learning.
    • Automatic Rejection: Automatically removes defective books from the production line.

    Specifications

    Details

    Descriptions

    Inspection Efficiency

    13,000 books/hour; maximum inspection size: 300 × 250 mm

    Inspection Range

    Post three-side trimming inspection; full coverage of six book sides

    Inspection Capabilities

    Size deviation, uncut or misaligned covers, trimming skew, cover stains, large color deviation, anti-counterfeit label offset or absence, QR/barcode inspection

    Double cut (head trim), folded corners, spine misalignment, corner collision, glue tail gaps, skew trimming, paper lint, and more

     FAQs

    • How does the BookGuard system detect folded corners in book blocks?

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    • How does the system detect spine misalignment, and how is accuracy ensured?

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      BookGuard employs a high-precision imaging unit to capture detailed spine images. The algorithm automatically locates the spine’s texture reference line and calculates its deviation from the standard position in real time. Users can set tolerance thresholds, and the system automatically evaluates misalignment within ±0.5 mm accuracy, ensuring a neat and consistent book spine appearance.

    • What is the detection rate for major defects?

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