New High Speed, Eco-Friendly RF Web Drying System
A drying system that provides greater efficiency than conventional convection and infrared systems for the high-speed drying of water-based patterned glue and coatings in the converting and textile industries is being introduced by Radio Frequency Co., Inc. of Millis, Massachusetts.
The Macrowave™ RF Drying System selectively heats only the patterned coatings (wetted sections) on the web and leaves the bound moisture in the substrate intact, thus preventing over-drying, distortion, and shrinking. Capable of operating at speeds up to 1500 FPM, this system needs one-third to one-fifth of the floor space required for hot air and IR dryers, permits lower web temperatures, and provides up to 80% energy savings.
Eliminating the long dwell times associated with conventional heating methods, the Macrowave™ RF Drying System reduces make-ready because RF power is instant ON/OFF and energy is only consumed with a load in the system. Macrowave™ RF Drying Systems handle webs up to 120" wide and meet OSHA safety regulations and FCC standards on communication non-interference.
The Macrowave™ RF Drying Systems are priced from $60,000 up, depending upon configuration. Feasibility studies, and quotations are available on request.
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