Three advantages of Early Supplier Involvement

May 30, 2019 11:17:00 AM / by Jeroen Romijn posted in ROV Cables, Innovation, Deep-sea cables, Cable design, Cable solutions, experience, service, supplier, manufacturing, development, research, test

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Why is it important to involve your cable supplier early in the development of your new product or equipment? At DeRegt we often see customers who have succeeded in developing a great system, but who simply forget to think of the cables involved, or underestimate the complexity of them. You can have two fantastic pieces of equipment, but if you don’t have the right cable to connect them, they are likely to be worthless. Involving your cable supplier at an early stage of the project offers three key benefits:

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How to make a light-weight electro/optical umbilical?

May 9, 2019 1:58:34 PM / by Sander van Leeuwen posted in Deep-sea cables, Cable design, Cable solutions

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The newly developed Sonic Wireline Operated Remote Drill (SWORD) is a system designed to collect samples and geotechnical data from the seabed. The cable needs to combine electro/optic components with a high tensile light-weight strength member, taking into account the rules around rope hoisting/lifting applications. Where conventional steel would be too heavy to cope with the system requirements, the optimal configured strength-member is able to withstand the high tension, at a lower self-weight. This white paper explains how De Regt designed, manufactured and tested a unique cable solution with a strength member made of 8 (!) layers of aramid wires. This is a world-first. 

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7 mechanical tests you really need to know about. Part 2

May 2, 2019 11:23:36 AM / by Sander van Leeuwen posted in Thermal analysis tool, Cable design, Testing, Dynamic cable design

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Every cable we design is bent, stretched, rotated and otherwise tortured as part of our verification process. What we do and how? In the first blog of this two-part mini-series, I outlined why mechanical testing can’t be ignored when it comes to designing high performance cables. 

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7 mechanical tests you really need to know about. Part 1

Apr 26, 2019 12:36:41 PM / by Sander van Leeuwen posted in Cable design, Testing, Dynamic cable design

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There are many aspects to designing a dynamic cable (a cable that is meant to move while in use, as happens when towing, for example, or because of wave motion). Things like torque balancing the cable, the load versus elongation properties, the crush resistance or its fatigue life. But behind every great cable there’s always one thing: a rigorous testing regime that involves checking and describing a cable’s mechanical performance and the applications it can be used for – verification and characterization in industry jargon.

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