Inline optical reflected distortion measurement with SCREENSCAN-RD

This means that in order to achieve commercial success, a product’s aesthetic properties have to be excellent, including a flawless visual appearance of the specular reflective automotive glass.Considering that the variety of the glass is getting broader and shapes are becoming more and more complex, a reliable judgment of the reflected distortion is more important than ever. Only if it is flawless, a windshield can meet the increasing requirements in terms of multi-functionality: Well-functioning sensor fields and efficiently operating wipers demand a constant and reliable quality. This task can now be securely solved via the 3D inline measurement technology SCREENSCAN-RD. The fully automated system provides objective, repeatable and quantifiable results that simply cannot be reached with manual offline evaluations. With the groundbreaking performance enabled by patented methods, SCREENSCAN-RD activates tremendous saving potentials. Highest quality products, valuable information for process optimization and reduced staff requirements for inspection can save a high six-figure sum annually.



For many years, manufacturers had to rely on the subjective judgment of the human eye when inspecting the reflected distortion of automotive glass. ISRA revolutionizes this process with automated inline 3D measurements of the complete glass surface. SCREENSCAN-RD is one of a kind, providing a highly precise and fast 3D inspection within usual cycle times. It may be installed rapidly, requires only minimum operator involvement and is easy to maintain. It can be used for windshields, back and side lites as well as for any other kind of automotive glass.



Using SCREENSCAN-RD leads to a consistently high product quality. Glass with slightest curvature irregularities are automatically indentified immediately and will not reach the customer. This reduces expensive complaints to an absolute minimum. The continuously documented measurement results provide the foundation for process optimization.



In addition, the system brings along valuable tools. These include comparisons to CAD data and to the “Golden Sample”, evaluation in relation to freely definable critical values, the specification of particularly interesting regions and data analysis features. Users gain an insight into their production and have the opportunity to optimize processes in a most efficient way.



The technological basis is a measuring process specifically developed by ISRA. The principles are based on the law of reflection. The method measures the local inclination of the surface. This is a great advantage, since the recorded curvature data are computed rapidly, independently from the viewing angle and with highest precision down to the milli-dioptric range. Also, the object positioning does not affect the measurement results which facilitates and speeds up processes.



100% objective inline judgment of the complete reflected distortion is possible – and it tremendously reduces production costs in the process. Choose the ultimate performance of SCREENSCAN-RD for the best appearance of automotive glass and huge saving opportunities.



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