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Shaping Materials - Coggle Diagram
Shaping Materials
Moulding
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Extrusion
Forcing material through a hole/die e.g. exit of toothpaste tube - makes toothpaste in the shape of a tube
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Casting
Sand casting
Bottom - drag, top - cope, sprue pins
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Can make complicated shapes easily, but can't repeat with the same mold (is destroyed when object is taken out)
Die casting
Using gravity to make the metal flow, can be redone as it uses a steel mould. Die - a shape. Can use pressure as well
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Reforming - solid to liquid (molten metal), back to solid
Laminating
Layers bonded together to produce a single section e.g. plywood. Improved properties, can also bend
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