On line leak testing of welded water heaters
Tušek, Janez (Author), Bajcer, Božidar (Author), Kampuš, Zlatko (Author)

URLURL - Presentation file, Visit http://dx.doi.org/10.1016/j.jmatprotec.2004.04.238 This link opens in a new window

The paper deals with the leakage control and quality assurance of fabrication pressure vessels for water heating. A relevant welding device and process are described. MAG welding including the equipment for welding water-heater shell,the power source using a welding rectifier with a horizontal static characteristic and measuring welding current and arc voltage during welding are schematic represented. There are shown defects, which are most often occurred at the junctions between the longitudinal and circumferential welds and at the contact between the start and end of the circumferential weld. One part of the paper describes, how to improve the fabrication of pressure vessels for water heating by welding. Spatter free ignition (SFI) of the welding arc by MAG welding is described. Finally, a leak tightness testing of welds is represented.

Keywords:preskušanje puščanja, tesnenje varov, MAG welding, pressure vessels, water heating, spatter free ignition, leak tightness
Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Number of pages:str. 1164-1170
Numbering:Letn. 155/156
ISSN on article:0924-0136
COBISS.SI-ID:8061979 Link is opened in a new window
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Record is a part of a journal

Title:Journal of materials processing technology
Shortened title:J. mater. process. technol.
COBISS.SI-ID:30105600 This link opens in a new window

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