Importance

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Abstract

A method of producing an additively manufactured casting mould for the production of components using the cold casting process or lamination process, comprising the steps of

a) determining a three-dimensional structure of the casting mould,b) providing a mixture, the mixture comprising a binding agent and an aggregate,c) providing a printing fluid comprising an aqueous solution of magnesium chloride or magnesium sulfate,d) applying a layer of the mixture to a support,e) applying the printing fluid only to those parts of the mixture which are supposed to constitute a part of the casting mould,f) applying a further layer of the mixture to the previous layer of the mixture,g) applying the printing fluid only to those parts of the mixture which are supposed to constitute a part of the casting mould,h) repeating steps f) and g) until the desired shape of the casting mould is achieved,i) allowing those parts of the mixture to set which have been mixed with the aqueous solution of magnesium chloride or magnesium sulfate,j) removing the mixture which has not been mixed with an aqueous solution, and coating with a formwork skin at least those parts of the casting mould which come into contact with the material of the cold-casting lamination process.

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First Claim