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Investment Casting
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The opening sequence of Investment Casting is filmed at Optima Jewellery in Birmingham, where the mass production of ornate gold rings is made... |
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The opening sequence of Investment Casting is filmed at Optima Jewellery in Birmingham, where the mass production of ornate gold rings is made... |
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The vulcanised hand made rubber mould is injected with wax to form an individual ring, which is added to a 'tree' and coated in plaster-of-Paris and... |
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Gold nuggets and former 'tree' stems melted in a crucible and spun into the ring mould. Dur. 2.00 Part of Crafts into Engineering: Investment Casting... |
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Wax is injected into a mould to form a wax cast of the component and added to a 'tree'. Dur. 3.46 Part of Crafts into Engineering: Investment Casting... |
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The tree is coated in 11 layers of a ceramic compound to form a tough shell after firing in a kiln. Dur. 2.24 Part of Crafts into Engineering:... |
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Testing and inspection is done by hand. Dur. 2.20 Part of Crafts into Engineering: Investment Casting DVD |
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