Glass Inspection
JLI Glass Inspection Systems are custom designed turnkey solutions for measuring dimensions, shapes, surface defects and material distribution.
The systems cover a wide range of production processes in both the hot and cold-end. All equipment is designed for the actual environment and can withstand the tough conditions on a glass production floor.
General features/benefits of JLI turnkey systems include:
- Custom made
- Adapted to existing production lines
- Internet connection for support
- Excellent reliability track records
- Special applications
Examples of Systems Commisioned by JLI
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Systems used for inspection of pharmaceutical and technical glass production. Designed and developed to meet high demands for speed and sensitivity.
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By looking at the tubes from the ends after cutting, outside and inside diameter, wall thickness, out-of-round, siding and ovality can be measured with accuracies down to 5 microns. In addition chips, cracks, end shape glazing thickness, tube length and bow can be measured by applying more cameras. Hereby defective and off-spec tubes can be rejected before packing.
• High accuracy down to 5 microns |
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Backlight Inspection Backlight tube inspection is a high resolution inspection that meets the demand for high quality tubes used in LCD flat panels. Both ends of the tube must be totally free from defects, especially airlines. This is achieved by using a high resolution camera in each end inspecting a small area while the tube is rotated.
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The JLI Tableware inspection system is designed for use in both the hot and cold-end of the production line. The system will continuously measure and inspect tableware as the glasses pass on a conveyor. Glasses out of tolerances or with defects will be rejected automatically. Using the Dynamic Light Box (DLB) a grid pattern can examine the optical properties of the glass. Distortions due to uneven wall thickness are easily detected. • Modular system consisting of sidewall, rim, body and base module Link to reference publication (ENGLISH) |
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Hot and cold-end containers (LINK GeDevelop) A process management tool designed to aid operators and process control personnel in managing the quality of containers at the time of production. Process trends as well as quality-related and critical defects can be identified as containers are produced, providing immediate feedback to machine operators. • Defect detection and classification |
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Glass Rods Coming soon! |
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Bulbs Systems for inspecting glass envelopes for filament bulbs typically used in the automotive industry. The system examines the bulbs from four angles and detects cracks, oxygen bubbles, inclusions and measures dimensions. The system can be used for batch inspection before packaging. • Small footprint • High speed inspection > 10 products/s • Elaborate trend statistics |
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Stress Detector A system for checking stress points in glass bottles. The system is installed in the cold end after other inspection machines. Bottles are inspected by two cameras to cover the whole body from all sides. Stress areas are measured and compared to a tolerance level. Defective bottles are automatically rejected.
• Detects stress associated with inclusions |
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Digit / mould reader A system for reading mould numbers on the bottom on glass containers. The system looks through the neck of the container, identifies the digits, displays and transmits the number to external equipment. The system has a number of facilities for automatic setup and validation of mould number readability. The system accepts any rotation of the container and all shapes. • Verification of present mould numbers |
