Applications

Binding of nickel mesh and nickel plates in nickel-metal hydride batteries. Binding of copper foil and nickel plates in lithium-ion and polymer batteries; binding of aluminum foil and aluminum plates. Binding of wires to various electronic components, contacts, and connectors. Interfusion of large heat sinks, heat exchange fins, and honeycomb cores in various household appliances and automotive components. Interfusion of dissimilar metal plates in high-current contacts such as electromagnetic switches and fuse-less switches.

Equipment Characteristics

High-frequency vibration waves are transmitted to the metal surfaces to be welded. Under pressure, the two metal surfaces rub against each other, causing the molecular layers to fuse. The base materials do not melt, and the resulting joint retains the original mechanical properties of the metals. The welded joint exhibits excellent electrical conductivity with extremely low or virtually zero electrical resistance. The process imposes minimal requirements on the metal surfaces—both oxidized and plated surfaces can be welded. Welding time is short, and no flux, gas, or solder is required. The process is spark-free, environmentally friendly, and safe.