Category : General industrial equipment, special machines > Welding systems

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Friction Acoustic Bonding is a method of making lap welds in thin metals as well as many non-metallic materials. The process was originally developed and patented over 20 years ago when it was known as Friction Seam Welding. Successful demonstrations of the process were given but the restrictions placed upon the applications by the patent holder at the time prevented its commercial application. The patent on the process has now expired and there is a renewed interest in the commercial advantages offered by the process.

The FAB technique uses a rapidly rotating disc or wheel to impact on the surface of the materials to be bonded. The process can be used to produce linear lap welds between thin sheets of metals with thicknesses in the range 0.01mm to 3mm. The welding action comes about through mechanical agitation caused by the tool which results in the interface between the two materials becoming plastically bonded. The result is a welded joint where the materials have remained well below their melting point. The resulting continuous weld has a width of about 1 - 2mm.

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List of all articles in this sub-category Welding systems

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