Page 46 - Glass-Technology International no. 1-2019
P. 46

QUALITY INSPECTION









           or in the manufacturing of                                                   during cutting and grind-
           mirrors.                                                                     ing can be caused by de-
                                                                                        fects such as uneven panes;
           3D MEASUREMENT                                                               rippling can result in pro-
           PROVIDES DATA FOR                                                            nounced lens effects and
           COMPREHENSIVE                                                                transmission  problems,
           PROCESS                                                                      which in turn cause safety
           OPTIMIZATION
                                                                                        problems.   Transmission
           Isra Vision has developed                                                    optics and reflection optics
           Powerplate-3D (P2-3D) for                                                    play a crucial role when it
           these specific applications,                                                  comes to aesthetics – an-
           the first and so far only so-                                                 other factor that is steadily
           lution for the automatic and                                                 gaining more importance in
           fast full surface 3D meas-                                                   both buildings and cars. As
           urement of flatness, wavi-                                                    such, the use of large-cut
           ness and reflection optics                                                    glass panes in architecture
           of glass panes. This non-                                                    and construction offers
           contact process takes place                                                  great potential: Static and
           immediately after the glass                                                  logistic factors are among
           cutting and covers the en-                                                   the greatest challenges here
           tire surface. The system is                                                  and demand high require-
           based on the patented ste-                                                   ments with regard to both
           reo deflectometry technol-                                                    safety and quality – and
           ogy, allowing it to deliver                                                  therefore also for the glass
           objective and reproducible                                                   inspection. The same ap-
           results for typical pane sizes                                               plies in the automotive sec-
           in next to no time, regard-                                                  tor, for instance in head-up
           less of the position or shape                                                displays: Windshields, on
           of the glass panes. The                                                      which information is pro-
           Powerplate 3D technology                                                     jected, allow for no margin
           displays the measuring re-                                                   of error.
           sult as an elevation map and
           also as a vertical and hori-
           zontal curvature map. The
                                                                                          Isra
           curvature map is a highly                                                      Isra Vision AG
           sensitive tool that visualizes
           float lines and local rippling
           – especially near the rib-
           bon edge – which can play
           a  decisive role in further
           processing steps such as
           lamination.
           POTENTIAL OF
           FLOAT GLASS
           INSPECTION FOR                                                                  Albert Einstein-Allee 36-40
                                                                                           45699 Herten - Germany
           INNOVATIVE                   With the P2-3D, glass manufacturers ensure their products are suitable for   Tel.: +49 - 2366 - 93000
           INDUSTRY SECTORS             use in the most challenging applications, such as in architecture, automobile   Fax: +49 - 2366 - 9300230
                                                production or in the manufacturing of mirrors  E-mail: info.glass@isravision.com
           Quality issues that occur                                                       www.isravision.com
           after lamination, as well as




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