Bead Inspection

Sentinel Vision > Bead Inspection

Bead Inspection Solutions for Industrial Quality Control

Bead inspection systems use industrial machine vision to verify the presence, continuity, positioning and quality of adhesive, sealant or welding beads during production processes.

By combining high-resolution imaging and intelligent inspection software, manufacturers can detect application defects in real time, improve process consistency and reduce the risk of assembly failures in industrial environments.

Technology Overview in Bead Inspection

Adhesive, sealant and welding bead applications require precision and consistency to ensure proper assembly performance, sealing quality and structural reliability.

Irregular bead application, missing sections or positioning deviations may lead to leaks, weak bonding or product defects. Manual inspection processes can become inconsistent in high-speed production environments. Bead inspection systems help automate quality verification while improving production reliability and process control.

How the System Works

The bead inspection system combines industrial cameras, controlled lighting and intelligent image processing to analyse bead application quality in real time.

The process typically includes:

• Components enter the inspection area
• Industrial cameras capture images of the applied bead
• The system analyses bead continuity, position and dimensions
• Intelligent software detects defects and irregularities
• Defective components are automatically rejected or flagged for review

Inspection Capabilities

The inspection system can verify different bead application characteristics and quality requirements, including:

• Bead presence verification
• Continuity inspection
• Position and alignment analysis
• Width and dimension verification
• Gap and interruption detection
• Excess or insufficient material detection
• Application consistency inspection
• Surface and application defect detection

Our Bead Inspection solution implements a high-precision industrial machine vision system designed to immediately and automatically verify the application of beads, adhesive fillets, sealant, resin, or other dispensed materials on parts or components.

Bead Inspection

  • 360º Inspection

      1. Carried out along the adhesive path.

  • ​​0 defects

      1. The correction is performed automatically.

  • Speed

      1. Up to 200 mm/s.

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    Bead Inspection

    This system analyses critical aspects, such as the presence or absence of the bead, continuity, path, width, height, volume, and dimensional and compositional conformity with the defined standards, and is suitable for multiple industries, including automotive, electronics, metalworking, mould making, plastic components, and systems that require structural adhesives or critical sealants, whenever the quality of material application must be verified in a rigorous and traceable manner.

    Technichal specifications:

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    Dispensing with real-time inspection

    Inspection during the dispensing process, enabling online measurements and trajectory corrections.

    Integration with Cartesian robots or 6-axis robots.

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    High precision

    Blue Laser Camera, class 2.

    Working distance:

    Z: 57 to 192 mm.
    X: 45 to 100 mm.

    Resolution:

    Z: 10 to 20 µm.
    X: 40 to 70 µm.

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    Easy configuration

    Creation of 3D images with automatic trajectory detection and continuous learning capability.

    A single software solution for all applications, enabling additional inspections to be performed simultaneously.

    In-line inspection

    Inspection during the dispensing process minimises time and defects, eliminating additional cycle time. A single inspection system ensures comprehensive coverage without dimensional limitations.

    Immediate results enable instant rejection or automatic correction, reducing waste, rework, and the risk of failures in critical applications.

    Interconnected sensors enable the analysis of each produced unit, ensuring complete individual inspection and full traceability.

    Material verification during or immediately after application of the solution, without the need for pauses.

    Dispensing quality inspection

    The main function of Bead Inspection is to ensure that the application of adhesive, sealant, or resin is carried out accurately, consistently, and in compliance with technical specifications. This includes:

    Verification of the trajectory and correct position of the bead on the part, ensuring that the material has been applied in the intended location.

    Measurement of the bead width, height, and volume, as well as the detection of discontinuities, adhesion failures, texture variations, or irregular application.

    Measurement of the bead width, height, and volume, as well as the detection of discontinuities, adhesion failures, texture variations, or irregular application.

    Key Benefits

    Automated bead inspection systems help manufacturers improve application consistency while reducing production defects and operational risks.

    Potential benefits include:

    • Improved bead application quality control
    • Reduced risk of leaks and bonding failures
    • Increased inspection consistency
    • Reduced manual inspection dependency
    • Faster verification processes in production lines
    • Improved process traceability
    • Reduced rework and defective assemblies

    Request a Technical Assessment

    Discover how automated bead inspection systems can improve application quality control and production reliability in your industrial environment.

    Request a Technical Assessment

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