NetComposites
Advanced Engineering 2018

SP Systems Launches New Sprint Moulding Material

02 April 2001

At JEC 2001 SP Systems is demonstrating its new SPRINT composite moulding system by exhibiting a complete Ultima Car. This car uses SPRINT- SP Resin Infusion Technology - a unique material and processingtechnology, for all of its lightweight bodywork. SPRINT allows aerospace-quality glass and carbon fibre components to be manufactured at high production rates andwith considerably reduced cost. SPRINT produces these composite componentswith extremely high mechanical properties, yet with very low void contents (0-0.5%). SPRINT materials consist of a layer of dry fibre reinforcement either side of a pre-cast, precatalysed resin film.
SPRINT materials are highly drapeable and so are easily laid up even in complex moulds. When a vacuum is applied, the dry nature of the reinforcement enables air in the fibre bundles, between layers and on the mould surface to be easily removed. When the temperature is raised for the cure the resin film softens, flows into the air-free reinforcement and yields a lightweight composite component with high fibre content and excellent surface finish.
SPRINT materials are also in use in the new Ronart Lightning launched at the UK's Motor Show at the end of 2000. During the initial design stage of the Lightning, Ronart contacted SP Systems for advice on the composite technology planned for the car. A carbon body shell was an ambitious project requiring a material and production route that gave fast manufacture of parts, a surface finish suitable for painting after little or no finishing and all in a cost effective manner.






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