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OwnerAndreas Michalowski, Peter Voehringerinventors
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The invention relates to an apparatus for the additive manufacture of a three-dimensional workpiece from a metal melt (1) containing aluminum, in particular an aluminum melt, comprising a compression chamber (2) which receives the metal melt (1) and is delimited by a piston (3) that is movable back and forth and by a nozzle body (4) having a nozzle bore (5) for discharging the metal melt (1) in drop form, wherein the nozzle body (4) has a metallophobic, in particular aluphobic structure (18), at least in the region (8) of a surface (7) adjoining the nozzle bore (5), which surface is arranged on the side facing away from the compression chamber (2),
An apparatus for the additive manufacture of a three-dimensional workpiece from a metal melt (1) containing aluminum, the apparatus comprising a compression space (2) which accommodates the metal melt (1) and is delimited by a piston (3) which can move back and forth and by a nozzle body (4) with a nozzle bore (5) for dispensing the metal melt (1) in the form of drops, characterized in that the nozzle body (4) has, at least in a region (8) of a surface (7) which adjoins the nozzle bore (5) and is arranged on a side remote from the compression space (2), a metallophobic structure (18).
An apparatus for the additive manufacture of a three-dimensional workpiece from a metal melt (1) containing an aluminum melt, the apparatus comprising a compression space (2) which accommodates the metal melt (1) and is delimited by a piston (3) which can move back and forth and by a nozzle body (4) with a nozzle bore (5) for dispensing the metal melt (1) in the form of drops, characterized in that the nozzle body (4) has, at least in a region (8) of a surface (7) which adjoins the nozzle bore (5) and is arranged on a side remote from the compression space (2), an aluminophobic structure (18).
Dependencies are inferred from the claim text.