Utilizing ultrasonic vibrations, Gulton Industries, Metuchen, N.J., have produced what is believed to be the first automatically operated continuous-seam ultrasonic welder. Through high-frequency sound alone, two pieces of metal are joined as a result of a molecular transference or plastic flow at the interfaces of the two metals and below the melting point of either metal.
The continuous-seam ultrasonic welder joins aluminum to aluminum, aluminum to stainless steel, or any two similar or dissimilar metals.
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