CONTACT ARRANGEMENT FOR USE IN AN APPARATUS FOR PRODUCING THREE-DIMENSIONAL WORK PIECES

A contact arrangement (44) for use in an apparatus (10) for producing three-dimensional work pieces by irradiating layers of a raw material powder with electromagnetic or particle radiation, the contact arrangement (44) comprises a replaceable building chamber (20) adapted to receive a work piece ge...

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Bibliographische Detailangaben
Hauptverfasser:	SCHWARZE DIETER, HAACK BODO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CASTING CEMENTS CERAMICS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING LIME, MAGNESIA MACHINE TOOLS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG SOLDERING OR UNSOLDERING TRANSPORTING TREATMENT OF NATURAL STONE WELDING WORKING BY LASER BEAM WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A contact arrangement (44) for use in an apparatus (10) for producing three-dimensional work pieces by irradiating layers of a raw material powder with electromagnetic or particle radiation, the contact arrangement (44) comprises a replaceable building chamber (20) adapted to receive a work piece generated in the apparatus (10) by an additive layering process and a building chamber support element (38) adapted to support the replaceable building chamber (20). A first contact element (46) is fastened to the replaceable building chamber (20) and comprises at least one first electrical conductor element (48), the first electrical conductor element (48) being provided with a first planar conductor surface (50). A second contact element (52) is fastened to the building chamber support element (38) and comprises at least one second electrical conductor element (54), the second electrical conductor element (54) being provided with a second planar conductor surface (56). The first planar conductor surface (50) provided on the first electrical conductor element (48) of the first contact element (46) and the second planar conductor surface (56) provided on the second electrical conductor element (52) of the second contact element (52) are adapted to interact with each other so as to establish an electrical contact between the replaceable building chamber (20) and the building chamber support element (38) when the replaceable building chamber (20) is supported on the building chamber support element (38).