ISRA VISION – Cost benefits in automotive glass production

ISRA VISION offers reliable detection of screen-printing defects on automotive glass. Thanks to automated optical inspection, defects are identified before they can compromise the exceptional appearance of new cars. The system inspects both purely decorative colour applications and functional layers such as heating conductors in rear windows.

Screen printing in the automotive industry is subject to high demands in terms of both technical aspects and visual appearance. Glass prints such as brand logos or patterns only convey a quality promise when they are of flawless quality themselves; printed electrical traces and fine structures must be applied in uniform quality and without any disruptions in order to work properly. The PRINTSCAN system from ISRA VISION inspects printed, unbent glass for all relevant defects. Along-side pinholes in screen printing, these include missing points, points that have run together, ink splashes, and unwanted prints. The position and completeness of the logo within the pane is also checked. The system alerts the user of repeating defects and allows systematic defects to be differentiated from dirt particles.

In addition to inspection, the system offers a multitude of useful tools. Logging and reporting tools help to produce validated quality and provide the basis for a deeper understanding of processes and root cause analysis. The graphical user interface shows real-time information of the print quality during ongoing production and visualizes the printed image as immediate process feedback for the user. New jobs can be set up in just a few minutes. An automatic warning signal alerts serious error. Collecting, saving and recording of quality data can be assigned directly to a specific product or customer, thereby providing proof of quality for every job.

In automotive glass production, the use of PRINTSCAN brings immediate cost benefits. Defective semi-finished products are identified at an early stage, as they are inspected immediately after printing and before bending or lamination. This reduces production costs considerably and preserves resources. Since printing is performed in line with specified standards, the print quality is systematically increased, serial defects can be recognized and corrected very quickly and thus be avoided in the future. This makes PRINTSCAN the ideal solution for increasing output and optimizing processes.

ISRA VISION offers inspection and measurement solutions for every stage of the automotive glass production. Alongside PRINTSCAN, these also include POWERPLATE Inspect Automotive for detecting glass defects such as inclusions, scratches and edge defects in the submillimetre range. For process monitoring and data analysis, ISRA offers manufacturers from the glass industry and other sectors the EPROMI Production Management Intelligence Solution.