Ultrasonic welding of plastics is an intricate task. Each application is different, placing different requirements on the complex interplay of factors. A new generation of HiQ machines from Herrmann Ultrasonics Inc. can overcome this complexity through intelligent output and equipment classifications as well as a bevy of options and variants in both the machine environment and the software. Designed to address various customer requirements, Herrmann’s HiQ welding machines enable visualization of the thermoplastic welding process through a 5.7-inch touch screen display. Machines are equipped with proportional valve technology, digital generators, and a position measuring system as standards, according to the Bartlett, Ill.-based company. When selecting a generator, users can choose between three frequencies and several power outputs up to 6,000 watts. Intuitive software menus electronically control all aspects of the welding process. In addition, the software is Unicode-compatible for the adaptation of various languages. Herrmann’s full line of thermoplastic welding machines includes the HiQ Dialog, which offers force profiling with four weld forces, extended memory and weld process graphics; the HiQ Vario, featuring proportional valve technology and digital high-performance generators (standard equipment includes multiple USB high-speed interfaces, printer and Ethernet connections); and the HiQ Logic, which has five welding modes for reproducible results (standards include a password protection feature and volume counter, as well as five operating modes: time, power, energy, depth RPN and absolute distance).

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