06 June 2017
06 June 2017
Newly expanded format processing facilities designed to enable the aerospace industry to take advantage of thermoplastic composite materials have been brought online at Web Industries’ Advanced Composites Centre of Excellence in Atlanta, Georgia, US.
The new Thermoplastic Composite Development and Qualification Centre is designed, staffed and equipped for the purpose of creating processes that format thermoplastic carbon fibre prepreg materials, including PEEK, PEKK and PPS, for use in various fabrication technologies. The facility is also employed to qualify the equipment that will process the new thermoplastic composite formats.
According to Business Development Manager Jim Powers, the new facility houses slitting equipment capable of cutting materials into tapes as narrow as 1/16 to 1 inch on a traverse wound spooling line. A second slitter/winder precision cuts wide rolls into 1 to 6+ inch strips for planetary wound formats. The space is also equipped with machinery that chops materials into fibre flakes measuring 1/2-by-1/2 or 1/16-by-1/2 inch for use in compression moulding, and it will incorporate seaming technology later in the year. All of the process equipment is capable of achieving high precision tolerances down to thousands of an inch, contingent on incoming material quality.
“Web Industries’ investment in the new development and qualification centre supports aerospace manufacturers with the means to make their thermoplastic composite concepts a reality,” Powers says. “The industry has long dreamed of having automated processing for thermoplastic composite manufacturing. This is now feasible thanks to advancements in fabrication techniques. As a result, an increasing number of aircraft parts are being designed to use thermoplastics.”
Thermoplastics have inherent advantages over thermosets in aerospace applications. They can be stronger, have higher heat and chemical resistance, and lighter weight. These and other material advantages can reduce the overall cost of an application. For example, instead of having to fasten aerospace components with adhesives or metallic fasteners, thermoplastics can be assembled by thermal welding or co-consolidation.
Powers notes that Web Industries’ extensive experience in formatting thermoset materials for aerospace applications makes the company well suited to pioneer new thermoplastic composites formatting.
“Our engineers, machine operators and technicians are all highly experienced people, many of whom were involved in thermoset format development and slit tape processing for the latest generation of commercial airliners," he explains. "By utilising their skills and leveraging their knowledge, we can develop thermoplastic processes and material formats as required by customers.”
Web Industries created the standalone Thermoplastic Composite Development and Qualification Centre to process various thermoplastic composite materials that are being used for or considered for use in aerospace applications. It is separated out from Web Industries’ thermoset processes to allow for dedicated solutions and material control. It is climate controlled and closed to maintain cleanliness and reduce potential FOD liability issues.
Photo provided by Web Industries
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