Extrusion International USA 2-2022

43 Extrusion International 2/2022 QUALITY CONTROL – CASE STUDY Many submarine cable manufactur- ers, such as the Chinese company Ningbo Orient, rely on X-ray devices from SIKORA for quality control in CV lines. In addition, producers of power cables bene fi t from the fi - automatic control, the X-RAY 8700 NXT measures the fi nal product di- mensions (diameter, wall thickness, concentricity) at the end of the pro- duction line. It is applicable for ca- bles with solid and stranded as well as Milliken conductors with single, double or triple layer insulation. The X-RAY 8700 NXT is also suitable for quality control of insulation mate- rial based on polypropylene (High Performance Thermoplastic Elasto- mer – HPTE). The combination of the X-RAY 8000 ADVANCED at the beginning with the X-RAY 8700 NXT at the end of the line offers a pre- cise determination of the shrinkage values for all three insulation layers. This assures an optimum process control for a perfect fi nal cable. nal quality control as it ensures the highest quality of the cables deliv- ered to their customers. While the X-RAY 8000 ADVANCED/ NXT provides information for a fast centering of the crosshead and an For a continuous and reliable quality control at the production of medium, high and extra-high voltage cables as well submarine cables in CV lines, SIKORA’s X RAY 8000 product family has set standards with more than 1,500 devices sold worldwide. The systems convince by precise and reliable measurements of concentricity, wall thickness, diameter and ovality as well as by controlling cables with up to three layers Efficient Quality Control at the End of the CV Line Ningbo Orient uses SIKORA’s X-RAY 8700 NXT to ensure accurate cold measuring values in CV lines SIKORA AG Bruchweide 2, 28307 Bremen, Germany www.sikora.net The X-RAY 8700 NXT installed at the end of a CCV line for fi nal quality control Ningbo Orient uses the X-RAY 8700 NXT from SIKORA in its submarine cable production line for fi nal quality control