Metal assembly and welding
When assembling metallic materials, the energy required for welding is communicated to the parts to be welded in the form of mechanical vibrations. The parts to be welded are placed between the sonotrode and the anvil. These 2 elements include grooves which allow to grab and hold the lower part to the anvil and entrain in the longitudinal movement of the sonotrode the upper part. A pressure perpendicular to the assembly plane will cause, by friction, the assembly by seizing of the 2 parts.
Ultrasonic metal welding is frequently used in the industry to assemble metallic components, particularly copper and aluminum as well as other non-ferrous metals (nickel, brass, etc.). This friction-operating process can also be called molecular binding.
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