METHOD AND APPARATUS FOR FRICTION WELDING
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United States of America Patent
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Feb 17, 2016
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Feb 19, 2015
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Abstract
A method and apparatus for friction welding of workpieces (2, 3), which are softened and welded in a friction phase (R) with frictional contact and under frictional pressure (p) in a relative rotational movement about a process axis (8) through the effect of frictional heat. The frictional pressure (p) applied during axial advancement of one of the workpieces (3) is preferably ramped and increased during the friction phase (R).
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