It is the method to combine two or more metals with appropriate pressurization and vibration by using physical diffusion phenomenon between metals. Even though heat is generated during rubbing, it is welded at a temperature much lower than the melting point of the welded product. In addition, it has excellent electrical properties and weld strength after welding because oxide film or contaminants on the metal surface are removed by ultrasonic vibration.

Material

Copper, Aluminum, Nickel, Gold, Silver, and etc.

Advantage

a) Welding time is very short. (0.01~1.5sec)
b) Welding strength is very strong.
c) Electrical property is very good after welding.
d) Airtightness welding is possible.
e) Medium is not required and it is hygiene.
f) Welding is possible even if there is contaminant on the welding surface.
g) It is easy for automation work.
h) Power consumption is low.

Material condition before and after welding.

• 

Variety of ultrasonic welding

• 

Weldability according to Material

•