He notes there were numerous challenges in developing a continuous ultrasonic welding process for the final MFFD fuselage joint, including developing a continuous process for such a long weld (8 ...

Ultrasonic welding is based on high-frequency vibrations (typically between 20 and 40 kHz) that cause surface friction and viscoelastic heating at the weld. The most important process parameters are ...

Laser welding continues to replace ultrasonic welding as the method of choice to permanently bond polymer parts. Utilizing laser technology, Clear on Clear Plastic Welding joins transparent plastics ...