Non-destructive ultrasonic testing for high frequency inductive (HFI) pressure welded tubes in the production line

In a three year lasting cooperation between Gebruder Fuchs Rohrenwerke Siegen and Siemens AG there has been realized a development of an ultrasonic inspection system for high frequency inductive (HFI) welded tubes while passing the assembly line. Flat endless sheet steel is shaped into an endless tu...

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Bibliographic Details
Published in:E-journal of Nondestructive Testing 1998-11, Vol.3 (11), p.334-334
Main Authors: Lingenberg, D, Fischer, E, Vogel, W, Bach, G, Kalwa, A
Format: Article
Language:English
Online Access:Get full text
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Summary:In a three year lasting cooperation between Gebruder Fuchs Rohrenwerke Siegen and Siemens AG there has been realized a development of an ultrasonic inspection system for high frequency inductive (HFI) welded tubes while passing the assembly line. Flat endless sheet steel is shaped into an endless tube. The weld joint between the bended edges is done by heating with high frequency induced eddy currents. The aim of the inspection is to prove that there is no appearence of laminar-type defects in the sheet steel material and also that there is no cracks occuring in the tube weld during every step of the production sequence.
ISSN:1435-4934
1435-4934