EDI introduces two new lip surface systems

US EDI Extrusion Dies Company (EDI) recently announced at Chinaplas 2005 Chinaplas 2005: Two new surface technologies have made smoother, flatter die lips for cast films, extrusion coatings and near-coating dies , sharper, and more wear-resistant, so that plastic extrusion processors and packaging material manufacturers can improve product quality, save raw materials, and reduce the downtime required to clean or repair the die.

According to Christopher W. Curtin, executive vice president of marketing at the company, EDI's two new lip surface systems, like stainless steel, can produce sharper, stronger die lips than standard industrial chrome, but more than stainless steel. Advantage. “In the past, due to the wear of the lip of the lip, it would have resulted in a buildup of the product, resulting in product failure. Therefore, the processor must periodically remove the die from the production line to clean and sharpen the die lip. This process takes at least one day. It caused thousands of dollars in lost production," Curtin said. "Compared to that, the life of the tungsten carbide die lip can be measured in years. This material is the hardest we have ever used."

EverSharp's tungsten carbide coated lip edge can be made as sharp as stainless steel (typically 25 microns in radius), sharper than standard industrial chrome (250 microns), and more durable than both materials because of its plating With superior wear resistance. Die lips plated with chromium nitride have outstanding uniformity and accuracy, especially compared to chrome plating. This lip lip can be made as sharp as stainless steel, yet more wear-resistant than stainless steel or standard industrial chrome plating (although there is no hard tungsten carbide).

These two new surface technologies are currently used in EDI's Autoflex die and Ultraflex die (cast film and extrusion coating production), as well as in Ultracoat slot die (proximity coating production).