AmTech specializes in ultrasonic metal welding equipment

AmTech specializes in ultrasonic metal welding equipment that bonds nonferrous metals such as aluminum, silver, gold, copper, brass, nickel, and alloys. In the process, parts to be joined come into close contact with each other under pressure and ultrasonic vibrations of 20 or 40 kHz.

One part is held by the ultrasonic horn and is vibrated onto the second part, which is held stationary on an anvil. The vibration of the horn causes the parts to scrub together (in shear), removing surface contaminants to expose bare metal areas to be bonded. The materials’ atomic structures then commingle as a strong, surface molecular bond that is very clean and has very low electrical resistance, making the process suited for electronic and other applications.

Amtech Ultrasonic

Applications include battery foil and tab welding, wire splicing, wire termination, spot welding, seam welding, and copper tube sealing used in the refrigeration industry. Ultrasonic metal welding works well even for different metal types. Some examples are in battery nickel/copper tab/foil welding, silver-plated or copper stranded wire to nickel-plated copper or brass terminals, copper pads to aluminum heat sinks, and precious metal contacts to contact arms.

Applications include battery foil and tab welding, wire splicing, wire termination, spot welding, seam welding, and copper tube sealing used in the refrigeration industry.

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