Composite Manufacturing - Resin Transer Moulding (RTM)

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Resin transfer composite moulding is a low-pressure, closed mould, semi-mechanized process. The process enables fabrication of simple low to high performance articles in varied sizes and profiles. The resin transfer moulding process has been successfully used in moulding of complex three - dimensional shapes in one piece. Resin transfer moulding is mainly used for moulding parts such as cabinet walls, chairs or bench sheets, hoppers, water tanks, bathtubs, boat hulls etc. In resin transfer moulding, several layers of dry continuous strand mat, woven roving or cloth are placed in the bottom half of a two-part closed mould and a low-viscosity catalyzed liquid resin is injected under pressure into the mould cavity, which is subsequently cured. Instead of using flat reinforcing layers such as a continuous strand mat, the starting material in RTM process can be a ‘preform' that already has the shape of the desired product. The potential advantages of resin transfer moulding can be summarized as rapid manufacture of large, complex, high performance structures with good surface finish on both sides, design flexibility and capability of integrating large number of components into one part.

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Suppliers With This Capability

Williams Patterns Pty Ltd   Nunawading VIC