Sonics is comprised of three manufacturing divisions – Plastics Assembly, Liquid Processing and Metal Welding. Plastics Assembly – Sonics provides innovative and reliable plastics welding equipment for the joining of th......Sonics is comprised of three manufacturing divisions – Plastics Assembly, Liquid Processing and Metal Welding. Plastics Assembly – Sonics provides innovative and reliable plastics welding equipment for the joining of thermoplastic components, textiles, and other synthetic materials. Sonics offers a complete range of assembly equipment, tooling and systems, from hand-held units and bench-model presses to full in-line automated systems. Liquid Processing – Sonics’ ultrasonic processors are the most reliable and technologically advanced in the industry. Available from laboratory bench models to high volume production units, they offer the widest range of processing capabilities and are backed by the best warranty in the industry (3 years, parts and labor). Metal Welding– Sonics manufactures a full line of ultrasonic metal welding systems offering superior performance, safety, and cost-effectiveness. Sonics offers metal welders in 40, 20 and 15 kHz frequencies as well as custom-built horns and fixtures. Typical applications include wire splicing, wire termination, batteries, switches, tube sealing, and coils.