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Emily Blackborow

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Inspecting Metal Sheath on High Voltage Cables

Posted by Emily Blackborow on Wednesday, February 20, 2019 @ 11:00 AM

High Voltage Cable is a multi-layer cable used for running high voltages underground or underwater.  The integrity of the cable is very important – the insulation of the cable must not deteriorate due to the high voltage power being transmitted.

Often a high-voltage cable will have a metallic shield layered over the insulation, connected to the ground and designed to equalize the dielectric stress on the insulation layer.  This metallic shield is effectively a welded tube, wrapped around the conducting cores and insulating layers of the cable and welded together as the cable is made.

 

Various High Voltage Cable Samples (courtesy: KEI Industries)

 

If the fabrication process of forming and welding the metal sheath tube is not done properly, the cable may fail its final quality specification and may require to be destroyed, a very costly prospect for the manufacturer. Using a weld inspection system such as the WI2000 system from Xiris, measurements can be made on the production line of the final welded sheath of various attributes such as Mismatch, weld Bead Height and Freezeline to help determine if the metal sheath tube is being welded correctly.

If any of those measurements begin to drift out of tolerance, an operator can be alerted to make adjustments in the input parameters to bring the process back in control avoiding any scrap production.  The result is a better quality welded sheath tube on the cable that has a better chance of meeting the final end user’s specifications.

Better Images. Better Decisions. Better Process Control.

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Topics: quality control, consistent, weld camera system, tube, Tube and Pipe welding, WI-2000p, manufacturing, weld inspection

Customer Testimonial: Xiris Tube & Pipe Inspection Systems Transform Quality Control

Posted by Emily Blackborow on Thursday, January 24, 2019 @ 11:02 AM

Who doesn’t love an inspiring transformation story? Weld inspection systems truly are capable of transforming your quality assurance processes and one of our Spanish customers has quite the story to prove it.

Tubos de Legutiano Automoción (TLA) is a manufacturer of high-quality tubular products for the automotive market. By producing thin-walled exhaust pipes, TLA helps their customers reduce the weight of their parts, while maintaining high quality standards that are able to withstand the strict demands of the automotive industry.

TLA

TLA recently said that their most important customer, a large automotive parts supplier based in France, was both surprised and delighted to notice a sudden, significant improvement in TLA’s quality, so much so that they wanted to pay them a visit.

Once visiting TLA, the French automotive parts supplier realized that the improvement in quality was due to the introduction and implementation of the Xiris WI2000 Weld Inspection system used on their two tube lines.  By detecting defects that were previously not detectable using any other NDT test process, TLA was able to address the imperfections that were plaguing their production for years.

The management of TLA commended Xiris’ systems saying:

“Without precision tools that allow us to move forward and work under this precept, it would be difficult to be able to develop products according to the new demands. That is why the Xiris WI2000 has been the key for increasing the quality of our company, reducing set-up times, monitoring the quality of the product in real time and allowing to interact with accurate information in the production process.”

The result was that, once implemented, the WI2000 systems were able to catch defects and help perform better process monitoring to keep their tube product in control.  Consequently, fewer defects made their way to the end of the production line and shipped to their customer in France.

Learn More about the WI Systems

 

Better Images. Better Decisions. Better Process Control.

Follow Xiris on social media for regular updates and welding videos!

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Topics: tube mill, tube, quality control, reduced costs, defects, WI-2000p, automotive, tubedefects

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