Set up and operate machines to fabricate ornamental metal products.
Operates welding machine and related equipment to convert ultrasonic vibrations into heat energy to fuse metal components: Observes activity meter for specific amount of power drawn from generator or power supply, according to charts. Turns controls to set clamping pressure, force-amplitude ratio, and velocity, according to work order specifications. Presses buttons to adjust controls for automatic timing of weld and hold cycles. Places workpiece in holding fixture on conveyor and pushes button or depresses pedal to start automatic weld cycle. Observes machine in operation and reports malfunctions to supervisor. Removes welded workpiece from fixture. Removes and replaces worn or damaged ultrasonic horn. Important variations include fabrication requirements and type of ultrasonic welding.