Vacuum Forming Process 1 Heat up plastic (HIPS)

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Presentation transcript:

Vacuum Forming Process 1 Heat up plastic (HIPS) 2 Remove heater and blow air in 3 Raise the Mould 4 Remove air using vacuum pump 5 Lower the mould releasing the shaped plastic

Mould/Former Rounded Edges – to help achieve accurate formed shape Medium Density Fibreboard (MDF) Mould/Former Tapered Sides – To allow easy release of mould Air/vacuum holes - To help remove all the air and achieve an excellent vacuum formed product

Vacuum forming Problems Webbing – overheating of plastic, causes a fold in the plastic as the air is removed during the vacuum forming process Webbing Webbing