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Compare and contrast plastic injection molding and vacuum forming or molding

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Mechanical Engineering

Compare and contrast plastic injection molding and vacuum formingor molding

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Injection moulding and vacuum forming are two of the most popular approaches used to process plastics Vacuum Forming Vacuum forming also recognised as thermoforming is a manufacturing process whereby plastic sheets are preheated in automated vacuum forming equipment until soft and malleable The preheated sheet then makes contact with a mould or form and a vacuum source is turned on that sucks the sheet to the mould When cool the sheet takes the shape of the mould It is then trimmed with either a five axis CNC router or die cut Vacuum forming moulds can be either male or female depending on the geometry of the parts and where the weakest    See Answer
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