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Casting The coinage metal is cast in ingots or bars. |
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Rolling The ingots are then rolled into strips. |
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Stamping out Blanks are stamped out of the sheet metal. |
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Rimming The blanks are flattened until a smooth raised edge or rim is formed. |
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Sketch The artist draws a sketch. |
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3D model The sketch is used to create a virtual, 3D model. |
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Reducing A CNC milling machine is used to transfer the coin-sized virtual effigy to a steel cylinder. |
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Engraving The steel-positive die thus produced is subsequently reworked by an engraver. |
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Pressing Afterwards, the steel-positive die is hardened and pressed with great force into a mild-steel model. |
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Hardening The negative minting die thus produced is then turned into shape, hardened and chromium-plated. |
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Minting The circulation coins are continuously struck, the uncirculated reduced speed. |
Preparing blanks for minting in proof quality | |
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Annealing The malleability of the blanks is enhanced by soft-annealing in a furnace. |
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Peen-finishing To achieve optimum surface quality, the minting blanks are subsequently pickled and peen-finished. |
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Washing The blanks are washed in order to remove any pickling and polishing-agent residues. |
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Individual minting The stain-free dried blanks are struck one by one. |
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Packing collector's coins Commemorative coins in proof quality are packed by hand in elegant cases. |
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Dispatch Swissmint dispatches collector's coins to banks, coin dealers and private collectors. |
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Packing circulation coins Circulation coins are automatically rolled in paper, packed in cardboard boxes and palletised. |
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Delivery The pallets with the boxes of coins are delivered to the Swiss National Bank. |
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Distribution The Swiss National Bank distributes circulation coins to post offices, banks, etc. |
Last update: 07.06.2016