Surface Treatment for Wide, Thick and Porous Material is Possible

Press release submitted on behalf of 3DT LLC

Gentle surface treatment and improved adhesion are now possible for wide, thick, porous, hollow, and over-size materials. 3DT’s new, patented HeliDyne corona treatment system was developed to produce strong bonding on these specialized substrates for adhesive, printing, coating and laminating applications.

HeliDyne’s numerous pin electrodes produce a wide band of corona discharge raising the surface tension and functionality on many materials that are difficult to treat, including foam stock, honeycomb boards, polymer panels and more. These materials typically suffer heat damage during most conventional surface treatment. But not with HeliDyne’s gentle electrode system. What’s more, most corona treaters are capable of treating thick materials only a few inches at a time. But HeliDyne can treat up to nearly 7 feet.

HeliDyne’s helix pattern of corona electrodes rotate while corona treating the material passed underneath. It accommodates materials with a thickness up to 1 inch and a width up to 80 inches. HeliDyne’s technology is equally effective for inline applications as well as sheets cut-to-size.  For these applications, HeliDyne is engineered with a conveyor system. Every HeliDyne system is fully customizable for customers’ unique applications.

HeliDyne is prepared for integration into production lines with a PLC and a HMI for easy, recipe-based operation and monitoring. HeliDyne is built with superior craftsmanship and proven technology in Germantown, Wisconsin.

System Features:

  • 3DT’s powerful generator and transformer built into an electrical cabinet
  • PLC based control system includes a HMI with a programmable touch screen menu with run time log, service hour log, diagnostic help, and alarm/trouble-shooting screen
  • Fully enclosed, custom electrode assembly
  • Accommodates materials up to 1 inch thick and up to 80 inches wide.
  • Frequency-matching for optimum treatment levels and efficient production


  • Aluminum main frame mounted with cabinet, treating station, and conveyor
  • Ozone exhaust system
  • Single or double side treatment
  • Built to US NFPA 79 machine safety standards and IP54 standards for protection from dust & moisture

HeliDyne radically improves thick and wide surfaces for long-lasting, powerful adhesion, enabling manufacturers to produce a high-quality product. For more information contact 3DT at