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The welding head vibrating at the ultra-high frequency of ultrasonic waves makes the frictional heat of the joint surface of the two plastics melt and join at a moderate pressure. The welding strength can be compared with the body, and the watertight structure can be achieved by using suitable workpieces and reasonable interface design. It is airtight and eliminates the inconvenience caused by the use of auxiliary materials to achieve efficient and clean welding.
Second, the welding method:
The ultrasonic welding head of the ultra-high frequency vibration is pressed against the protruding tip of the plastic product, so that the instant heat is melted into a rivet shape, and the materials of different materials are mechanically riveted together.
Third, implant:
By means of the welding head and proper pressure, metal parts (such as nuts, screws, etc.) are squeezed into the plastic hole and fixed at a certain depth. After completion, the tension and torque can be compared with the traditional mold. The strength can eliminate the shortcomings of the injection mold damage and slow injection.
Fourth, molding:
The method is similar to the rivet welding method, in which the concave welding head is pressed against the outer ring of the plastic product, and the ultrasonic wave is ultrasonically shaped after the ultrasonic wave is ultrasonically welded, and the metal object is coated and fixed, and the appearance is smooth and beautiful. This method is often used in the fixed molding of electronic devices and horns, and the fixing of lenses for cosmetics.
Five, spot welding:
A. Weld the two plastic points without pre-designing the bonding wire to achieve the purpose of welding.
B. For relatively large workpieces, it is not easy to design the workpiece of the welding wire for point welding, and the welding effect can be achieved, and multiple points can be spot welded at the same time.
Sixth, cutting and sealing:
Using the principle of ultrasonic vibration generation, the chemical fiber fabric is cut, and its advantages are smooth and not cracked or drawn.
The above are several uses of ultrasonic welding machines in plastic welding, if you have other needs, please contact us.
Ultrasonic welding application method 1. Welding method:
September 11, 2018