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In the welding of plastics, two similar thermoplastic components are joined under heat and pressure. A dimensionally-stable and permanent bond arises after cooling.
Ultrasonic welding uses pressure as well as the friction heat generated by ultrasound vibrations to melt the plastic elements to be joined. Filler material is not necessary. Mash seam welding is recommended for very strong weld joints of crystalline thermoplastics. Fully-automated welding is very quick and uses very little energy. G.W.P. uses ultrasonic welding to join large numbers of components.
Advantages of Ultrasonic Welding
Other plastic welding methods