High-Precision Inline Control For CV Lines Using X-RAY 8000 ADVANCED
Energy cables place high demands on their function and their production. As submarine and underground cables, they ensure that energy is reliably transported to where it is needed. To ensure that electricity is delivered safely, the highest cable quality is essential. For over 30 years, SIKORA’s X-RAY 8000, with over 2,000 systems installed, has been considered the global industry standard in CV lines.
Directly after the extruder, in the CV pipe, the X-RAY 8000 ADVANCED X-ray measuring system measures the dimensions of the cable – such as wall thickness, eccentricity, diameter, and ovality. Unlike conventional systems on the market, the X-RAY 8000 ADVANCED features unique High-Speed Technology (HST). It is equipped with 16 measuring sensors, which reduces the measuring distances and thus measures at least 10 times faster than conventional systems. The result: the measuring values are available in less than 30 seconds for immediate centering and distortion-free control to the target dimension within 100 seconds.
Continuous use of the X-RAY 8000 ADVANCED enables a wall thickness reduction of around 5%, resulting in significant material and cost savings. The 5% material savings correspond to a CO₂ reduction of around 375 tons per year – comparable to approximately 125 round-trip flights between Frankfurt and New York. The X-RAY 8000 ADVANCED thus contributes to greater sustainability in cable production.
The durable XLL X-ray technology ensures a long service life. Special, self-cleaning, and non-toxic (NTX) measuring windows guarantee particularly safe and healthy handling in the CV line. In addition to the measuring system, a control cabinet containing an industrial PC for evaluating the X-ray image is supplied. All measuring values are clearly visualized and logged in real time on a TFT monitor.
The X-RAY 8000 ADVANCED can be integrated both vertically in CCV lines and VCV lines as well as in a horizontal line for medium-voltage cables. It can also be used in hybrid CV lines where both XLPE and PP are used as insulation materials.
For final quality control at the end of the CV line, the X-RAY 8700 NXT records the cold values of the cable. In combination with the X-RAY 8000 ADVANCED at the beginning of the line, the shrinkage values for all three insulation layers of the cable can also be precisely determined. This ensures optimal process control and meets existing cable quality requirements for maximum reliability and safety.
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