Abstract: An apparatus (1) for additive manufacturing of a three-dimensional object by successive layer-by-layer selective illumination and thus selective solidification of construction material layers (9) formed in a construction plane (10), consisting of a solidifiable construction material (2) by means of at least one energy beam (3), comprising a housing structure (4), and a combined coating and illumination assembly (6) firmly arranged or formed on the housing structure (4) of the apparatus, comprising a coating device (8) provided for applying the construction material (2) into the construction plane (10) and for forming construction material layers (9) to be solidified in the construction plane (10), and an illumination device (11) provided for the selective illumination of respective construction material layers (9) formed in the construction plane (10) by means of the coating device (8), and a carrying device (15).

Abstract: An apparatus (1) for manufacturing of three-dimensional objects (2), especially SLM or SLS apparatuses (selective laser melting apparatus or selective laser sintering apparatus), significantly comprising a construction room (4) arranged in a housing (3) of the apparatus (1).

Abstract: A method of additively manufacturing a three-dimensional object may include allocating irradiation of respective ones of a plurality of sequential layers of construction material between a first region and a second region based at least in part on a first irradiation time and/or a second irradiation time. Irradiation of the first region is allocated to a first scanner and the first irradiation time is indicative of a time required for the first scanner to irradiate the first region with respect to at least one of the plurality of sequential layers of construction material. Irradiation of the second region is allocated to a second scanner and the second irradiation time is indicative of a time required for the second scanner to irradiate the second region with respect to at least one of the plurality of sequential layers of construction material. The first irradiation time and the second irradiation time may be at least approximately the same.

Abstract: The invention concerns a sieve device for use in a device for generative manufacture of components by means of successive solidification of individual layers of powdered solidifiable construction material by exposure to radiation through sector by sector melting or fusing and binding of the construction material the sieve device is configured at least in sections to be inclined in a way that the construction material after appearance on the sieve slows or is reduced to a lower velocity over the surface of the sieve.

Abstract: A powder module for an apparatus for additive manufacturing of three-dimensional objects, comprising a powder chamber limiting a powder room that can be filled with powdered construction material and a carrying device arranged in the powder room and limiting the powder room at the bottom, wherein between at least one powder chamber wall limiting the powder room and the carrying device a gap extending at least partially along the powder chamber wall limiting the powder room is formed, through which powdered construction material from the powder room can enter a powder module section lying below the carrying device, wherein the gap opens out into a receiving section of a receiving element arranged or formed on the powder chamber, wherein the receiving section is formed as or comprises an especially ring-shaped circumferential flow channel structure provided for receiving construction material from the gap.

Abstract: A powder module for an apparatus for additive manufacturing of three-dimensional objects may include a powder chamber defining a powder room configured to receive a powdered construction material, a support structure configured to support the powder chamber, a carrying device disposed within the powder room and defining a bottom portion of the powder room, the carrying device being movably supported relative to the powder chamber, and a drive device configured to move the carrying device relative to the powder chamber. A maximum traveling distance of the carrying device may be from 800 millimeters to 2,000 millimeters. An apparatus for additive manufacturing of three-dimensional objects may include an aforementioned powder module.

Abstract: The invention relates to a method for producing a three-dimensional component by an electron-beam, laser-sintering or laser-melting process, in which the component is created by successively solidifying predetermined portions of individual layers of building material that can be solidified by being exposed to the effect of an electron-beam or laser-beam source (2) by melting on the building material, wherein thermographic data records are recorded during the production of the layers, respectively characterizing a temperature profile of at least certain portions of the respective layer, and the irradiation of the layers takes place by means of an electron beam or laser beam (3), which is controlled on the basis of the recorded thermographic data records in such a way that a largely homogeneous temperature profile is produced, wherein, to irradiate an upper layer, a focal point (4) of the electron beam or laser beam (3) is guided along a scanning path (17), which is chosen on the basis of the data record charac

Abstract: Additive manufacturing systems may include a laser melting apparatus, a sensor device, and a visualization apparatus. A laser melting apparatus may form a three-dimensional component by exposing a powder bed to a beam of radiation based on build coordinates, with the beam of radiation providing an energy influx that generates a melt pool in a melt region of the powder bed. A sensor device may capture sensor values corresponding to the melt pool and/or the melt region. A visualization apparatus may display a representation of the three-dimensional component, with the display including the build coordinates and the sensor values in respect of a capture location thereof in the three-dimensional component. The displayed representation may be based on a display output that includes sensor values correlated with build coordinates.

Abstract: A method for controlling the exposure of a selective laser sintering or laser melting apparatus. The method includes providing a selective laser sintering apparatus or laser melting apparatus that uses successive solidification of layers of a powder-type construction material that can be solidified using radiation.

Abstract: A powder module for an apparatus for additive manufacturing of three-dimensional objects, comprising a powder chamber limiting a powder room that can be filled with powdered construction material and a carrying device arranged in the powder room and limiting the powder room at the bottom, wherein between at least one powder chamber wall limiting the powder room and the carrying device a gap extending at least partially along the powder chamber wall limiting the powder room is formed, through which powdered construction material from the powder room can enter a powder module section lying below the carrying device, wherein the gap opens out into a receiving section of a receiving element arranged or formed on the powder chamber, wherein the receiving section is formed as or comprises an especially ring-shaped circumferential flow channel structure provided for receiving construction material from the gap.

Abstract: A device (1) for producing three-dimensional objects (2) by successive solidifying of layers of a structural material (3) that can be solidified by means of radiation at the locations corresponding to the respective cross-section of the object (2), comprising a housing (4) surrounding a process chamber (5), a structure holder (6) arranged therein, an applicator device (7) for applying layers of the structural material (3) onto a supporting device (8) in the structure holder (6) or a previously formed layer, comprising a coating element (9) guided in a coating application direction over a structure surface of the structure holder (6), a metering unit for feeding the structure material (3) to the application device (7), an irradiation device (12) for irradiating layers of structural material (3) at the locations corresponding to the respective cross-section of the object (2) with a focused energy beam.

Abstract: A method for producing a three-dimensional object includes specifying reference-object information which describes data of a reference object, determining load information which describes at least one load value in a specific load situation inside the reference object described by the reference-object information, determining load regions having load values that deviate from a reference-load value inside the reference object described by the reference-object information, on the basis of the load information, determining object information which describes geometrically structural data of the object to be produced, on the basis of the load information and of the boundary condition information, and producing the three-dimensional object.

Abstract: Methods of additively manufacturing components include providing a first control command and/or a second control command to a cart selected from among a plurality of carts. The first control command may be configured to cause the selected cart to autonomously drive or fly to a construction container selected from among a plurality of construction containers and to receive automatically the selected construction container, and, upon the selected cart receiving automatically the selected construction container, to autonomously drive or fly the selected cart to a construction apparatus selected from among a plurality of construction apparatuses.

Abstract: The invention relates to a method for producing a three-dimensional component by an electron-beam, laser-sintering or laser-melting process, in which the component is created by successively solidifying predetermined portions of individual layers of building material that can be solidified by being exposed to the effect of an electron-beam or laser-beam source (2) by melting on the building material, wherein thermographic data records are recorded during the production of the layers, respectively characterizing a temperature profile of at least certain portions of the respective layer, and the irradiation of the layers takes place by means of an electron beam or laser beam (3), which is controlled on the basis of the recorded thermographic data records in such a way that a largely homogeneous temperature profile is produced, wherein, to irradiate an upper layer, a focal point (4) of the electron beam or laser beam (3) is guided along a scanning path (17), which is chosen on the basis of the data record charac

Abstract: The invention relates to a device (1) for producing three-dimensional objects (12) by successive solidification of layers of a construction material (9, 10) that can be solidified by radiation at the locations corresponding to the respective cross-section of the object (12), said device having a housing, a construction chamber (4) accommodated therein, a dosing chamber (2, 3), an application device (11) for applying layers of the construction material (9, 10) and a conveying element (13, 14, 17, 18, 21, 22, 37, 38) for transporting the construction material (9, 10), wherein at least two conveying elements (13, 17, 21; 14, 18, 22) are provided for transporting different construction materials (9, 10), said conveying elements comprising separate feed lines (37, 38) to at least one dosing chamber (2, 3).

Abstract: A method for producing a three-dimensional component by means of a laser melting process, in which the component is produced by consecutively solidifying individual layers made of building material by melting the building material, wherein said building material can be solidified by the action of radiation, wherein the melting area produced by a punctiform and/or linear energy input is detected by a sensor device and sensor values are derived therefrom in order to evaluate the component quality. The sensor values detected in order to evaluate the component quality are stored together with the coordinate values that locate the sensor values in the component and are displayed by means of a visualization unit in two- and/or multi-dimensional representation with respect to the detection location of the sensor values in the component.

Abstract: A powder module for an apparatus for additive manufacturing of three-dimensional objects may include a powder chamber defining a powder room configured to receive a powdered construction material, a support structure configured to support the powder chamber, a carrying device disposed within the powder room and defining a bottom portion of the powder room, the carrying device being movably supported relative to the powder chamber, and a drive device configured to move the carrying device relative to the powder chamber. A maximum traveling distance of the carrying device may be from 800 millimeters to 2,000 millimeters. An apparatus for additive manufacturing of three-dimensional objects may include an aforementioned powder module.

Abstract: An apparatus for additive manufacturing of three-dimensional components by successive, selective layer-by-layer exposure.

Abstract: A production system for simultaneous additive manufacturing of several components using selective laser sintering or laser melting methods, wherein in at least one production processing section at least two construction apparatuses in the form of SLM and/or SLS apparatuses are provided, each having at least one construction container that can be removed from a process chamber of the apparatuses, at least one removal station for extracting a finished component from a construction container, at least one post-processing station for thermal and/or mechanical surface post-treatment of finished removed components, and at least one storage section for storing the components.

Abstract: A method for assessing the structural quality of three-dimensional components which are produced by laser sintering or laser melting. The component is produced by the successive solidification of individual layers of a construction material solidified by the action of radiation, by sintering or fusing the construction material. The fusion region is captured by a sensor device and sensor values for evaluating the quality of the component are derived therefrom. The sensor values with the co-ordinate values which localize the sensor values in the component are stored with a division of the calculated sensor values into values which are critical to the structural quality of the component and non-critical values to said quality and with a representation of those values critical to the structural quality of the component as to their distance from a reference point lying or arranged in the region of the surface.