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- Q175996 subject Q5873566.
- Q175996 subject Q6123255.
- Q175996 abstract "Vacuum forming is a simplified version of thermoforming, whereby a sheet of plastic is heated to a forming temperature, stretched onto a single-surface mold, and forced against the mold by a vacuum is formed into permanent objects such as turnpike signs and protective covers. Normally draft angles are present in the design of the mold (a recommended minimum of 3°) to ease removal of the formed plastic part from the mold.Relatively deep parts can be formed if the formable sheet is mechanically or pneumatically stretched prior to bringing it into contact with the mold surface and applying vacuum.Suitable materials for use in vacuum forming are conventionally thermoplastics. The most common and easiest to use thermoplastic is high impact polystyrene sheeting (HIPS). This is molded around a wood, structural foam or cast or machined aluminium mold, and can form to almost any shape. Vacuum forming is also appropriate for transparent materials such as acrylic, which are widely used in applications for aerospace such as passenger cabin window canopies for military fixed wing aircraft and compartments for rotary wing aircraft. Vacuum forming is often used in low-level technology classes for an easy way to mold.".
- Q175996 thumbnail VacuformVisualization.gif?width=300.
- Q175996 wikiPageWikiLink Q1055732.
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- Q175996 wikiPageWikiLink Q5469940.
- Q175996 wikiPageWikiLink Q5531000.
- Q175996 wikiPageWikiLink Q5873566.
- Q175996 wikiPageWikiLink Q6123255.
- Q175996 wikiPageWikiLink Q663.
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- Q175996 wikiPageWikiLink Q7698332.
- Q175996 wikiPageWikiLink Q81235.
- Q175996 wikiPageWikiLink Q890886.
- Q175996 comment "Vacuum forming is a simplified version of thermoforming, whereby a sheet of plastic is heated to a forming temperature, stretched onto a single-surface mold, and forced against the mold by a vacuum is formed into permanent objects such as turnpike signs and protective covers.".
- Q175996 label "Vacuum forming".
- Q175996 depiction VacuformVisualization.gif.