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With vibration welding the plastics parts to be joined are vibrated (rubbed) against each other at a chosen frequency, amplitude and pressure which results in frictional heating of the surfaces, causing the polymer to melt at the interface. The molten polymer flows out of the weld-zone giving rise to flash. When vibration stops the weld cools down and solidifies.
Vibration welding has the advantage that the polymer melt at the interface is not exposed to open air which can be important for materials that are susceptible to thermooxidative degradation. However, the product is exposed to vibrations during welding which can be a disadvantage for certain applications, especially those with internal components or the need to achieve precise part alignment. Application specific fixtures must be very accurate to ensure matting surface contact.
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The Emabond Process offers countless advantages over vibration welding.
Click here to see how the Emabond Process works |
