A digital ultrasonic generator from Herrmann Ultrasonics Inc. enables a user to weld, bond and seal larger thermoplastic parts than a previous digital-signal-processor series allowed.
Over two years, Herrmann identified a market requirement and designed a generator with the latest input-output capabilities, available capacity up to 6,000 watts, fast cycle times and, for automation integrators, compact housing.
Using precisely controlled parameters, the generator amplifies incoming electrical voltage to a high-frequency signal that is passed to a converter to create frictional heat during welding. Neither external voltage fluctuations nor temperature changes affect output. The result: a stable ultrasonic welding process.
Software programs rather than mechanics control internal signal generating adjustments, and an integrated heat-sink interface enables high-performance cooling even with air conditioning.
The generator in a stand-alone format entered the North American market in October.
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