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11 months ago

MDA Technologies 1/2016

MDA Technologies 1/2016

Leakproof tube

Leakproof tube connection technology for marine and offshore MACHINE ELEMENTS For reliable connection of stainless steel and steel tubes above and below the deck, Voss Fluid provides the Voss FormSQR tube forming system. With the solution that is also certified for marine and offshore applications, even frequently changing assembly personnel achieve process-reliable connections. The system offers the highest degree of corrosion protection and withstands even the heaviest loads. Leaky connection points on ships and wind parks can quickly grow into enormous problems. To make sure that a leak does not occur in the first place and to prevent time and cost intensive localization and repair work, Voss Fluid GmbH developed the ‘Voss FormSQR’ tube forming system. The system has been in use for more than 12 years and is completely leak-proof. The forming process is just as simple as it is reliable: In the first step, conventional hydraulic tubes 24 MDA Technologies 1/2016

01 The Voss Form 100 forming machine shapes a 24-degree tube contour at the end of a hydraulic tube are given a 24-degree tube contour on one end. The Voss Form 100 tube forming machine takes care of the forming completely automatically. The operator merely needs to select the appropriate tool, pushes the tube against the limit plate and presses the start button. After that, the machine forms the Voss FormSQR contour plastically on the tube. To complete the pre-assembly, the formed tube end is provided with an additional soft seal. Then comes the final assembly: The fitter sets the machined tube with the face on the base of the coupling connector. It ensures a stable fit and secure limit stop. He then tightens the nut. Since this is an SQR function, nut with an integrated clamping ring specially developed by Voss Fluid is used, the tube is automatically tightly radial-clamped during the final assembly. This results in an especially secure, high-grade connection. The noticeable increase in force when tightening the nut indicates the end of the assembly process to the fitter. This practically excludes over – and MDA Technologies 1/2016 25

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