Ultrasonic splicing is an advanced technical process for combining nonferrous metals, stranded wire and many metal-alloys. It is a cold-phase friction welding technique; there is no melting, no high-temperature buildup. The surfaces being joined are subjected to high-frequency mechanical oscillations while being rubbed together under pressure. The molecules of the surfaces begin to swirl and intermingle with one another, creating a firm and lasting bond. Improvements in quality and efficiency, reduced energy requirements and positive environmental factors are the decisive advantages of this new technology.

Common benefits of Ultrasonic splicing:
  • Joins dissimilar metals
  • Typical weld times within 1 second
  • Bonds stronger than soldered or resistance welded joints
  • Precision control over weld areas. Perfect for high gauge wires and small surface areas
  • No adverse effect on environment
  • Uses no consumables, such as solder or flux
  • Removes surgace oxides and impurities eliminating the need for prior cleaning of work-pieces
  • Cost-effective due to energy, material and labor savings
  • Integrated quality control system


(pictured above:example of ultrasonic splice)



AmTech's GUN-40 joins wires quickly and reliably
while providing maximum maneuverability. It splices
up to 4 #16 AWG wires in-line, or in a pig tail
configuration. Splicing ultrasonically results in
a superior electrical connection over crimping,
soldering, or resistance welding, and offers savings
in power consumption, elimination of consumables,
and longer tool life.


(pictured above:example of high gauge wire splice)


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