Research & Development Of Varim Technique For Thermostat Composite Fabrication

Mohd Yuhazri , Yaakob and Tajul Ariffin , Abdullah and A. Perumal, Puvanasvaran (2011) Research & Development Of Varim Technique For Thermostat Composite Fabrication. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This research relates to a new technique of plastic mould for thermoset composite fabrication. Currently mild steel, wood and aluminium are as the moulds for moulding the plastic products as they hard and tough. However these moulds require high tooling cost and some complex shapes cannot be produced. Thus, this research is a development of new technique that used plastic as the moulds. The plastic that was used is PVC film from thermoplastic material. For manufacturing the thermoset composite, a new technique was developed from Vacuum Assisted Resin Infusion Moulding (V ARIM) process but different from the moulds. Both of the upper and bottom mould used were flexible moulds from PVC film. A polyester resin was used as the matrices and fibreglass was used as the reinforcement for manufacture the thermoset composite. Lastly, after the composite were produced they had been inspected for quality assurance to measure the successful of this new technique of plastic mould. These involved mould capability, surface quality of the composite and complexity manufacturing based on the three experimental designs that had been decided which are simple design, medium design and complex design. In general, the results showed that this new technique of plastic mould for thermoset composite fabrication was successfully produced and feasible for fabrication trial products or a small quantity of productions with reducing the manufacturing costs. The new technique of plastic mould also increases most of the mechanical properties of the thermoset composite than if they were produced by hand lay up technique or vacuum infusion technique. In addition, the plastic mould can also be repeated for almost 8 times. Due to that this technique significantly reduced the tooling cost and time for making the mould.

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