... 0.7mm 1000N pull force Ultrasonic Metal Welding Machine(Heat Sinks for Car) Product Requirement: 1.FOR ULTRASONICALLY WELDED MATERIAL JOINT.WELD LINE MUST ... films, aluminum foil and aluminum melting each other.3, wires melt each other, forming a partial melt with more than ... each other.4, wires and various electronic components, contacts, connectors, each melt.5, ...