Canadian Plastics

Film Extrusion: Case history: On-line gauge control improves set-up time

Canadian Plastics   



Using on-line gauging systems and closed-loop control, global medical company Smith & Nephew has cut costs dramatically at its extruded films plant in the United Kingdom. The NDC 8000 series gauging s...

Using on-line gauging systems and closed-loop control, global medical company Smith & Nephew has cut costs dramatically at its extruded films plant in the United Kingdom. The NDC 8000 series gauging system with automatic profile control from NDC Infrared Engineering has improved set-up times by 50% and reduced coat-weight variance tolerance by half.

The automated system reduces set-up time by eliminating manual sampling, and reduces waste by lowering the variation in film weight. Dr. Robert Osman, new technology manager for Smith & Nephew Extruded Films, estimates scrap from the polyurethane line has been reduced by US$20,000 per year.

Two of NDC Infrared Engineering’s scanning gamma backscatter weight gauges are installed on a polyurethane film extrusion line at Smith & Nephew’s Gilberdyke, U.K., plant. The gauges scan across the width of the web to provide measurement for the automatic profile control system, which adjusts the die.

Advertisement

Advertisement

Stories continue below

Print this page

Related Stories