Feedback report: 35,000 sapphire glass parts inspected

Jun 16, 2025 | Case study

Context and objectives

In order to ensure a high level of quality on high-value components, a leading sapphire glass manufacturer has chosen to roll out the QualiLENS®200 automated inspection product across two production sites. Installed at the final inspection stage, the systems are used to detect of the type, including scratches, machining defects and inclusions.

 Their purpose is not only to identify each defect but also to assess conformity based on predefined acceptance thresholds, in order to automatically sort compliant and non-compliant parts.

 

Implementation process

As part of the integration process, we implemented a double-checking phase, where automated and manual inspections ran side by side. This is a key step to ensure the reliability of the system by monitoring deviations and refining compliance criteria.

    Results

    • 35,000 parts inspected during the double-checking phase.
    • 100% reliable detection
      All defects identified by operators were also detected by QualiLENS®200.
    • 93% decision match between the operator and QualiLENS®200
      On defective parts, 93% of pass/fail decisions were consistent between the automated system and human evaluation.

     

    Conclusion

    Key benefits:

    • Automation of a repetitive and demanding inspection operation
    • Faster inspections, improving workflow and productivity
    • Reliable and objective sorting, preventing human errors and costly over-quality.

     A successful integration, tested and approved under real production conditions!