Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (2) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of a construction material (3) that can be solidified by means of laser radiation in a process chamber (10) of the apparatus, comprising an exposure device (5) provided for generating laser radiation for selective exposure and thus selective solidification of respective construction material layers, and a detection device (11) provided for detecting the entering of laser radiation into a process chamber limiting element at least partially limiting the process chamber (10) and/or for detecting the penetration of laser radiation through a process chamber limiting element at least partially limiting the process chamber (10).

Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (2) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material (3) that can be solidified by means of an energy beam, comprising a filter device (7) provided for filtering process gas (9) arising in the course of performing additive construction processes in a process chamber (8) of the apparatus (1), especially containing impurities arising in relation to the process, wherein the filter device (7) comprises several filter modules (14) with a filter module housing (15) each, wherein every filter module housing (15) comprises a filter body receiving room (16) configured with a defined geometry provided for receiving a defined number of filter bodies (18) configured with a defined geometry, wherein every filter module (14) comprises connection interfaces (19, 20) on the filter module via which it is or can be connected, if required,

Abstract: A system (1) for additive manufacturing of three-dimensional objects, comprising one or more working stations (21), which are provided for performing at least one working process in the additive manufacturing of three-dimensional objects, at least one freely positionable mobile storage unit (2) comprising a rack-like storage device (4) comprising at least one storage room (5) provided for storing at least one powder module (6), especially for the purpose of conveying the powder module (6) between different working stations (21) of the system (1), and at least one driverless, freely movable mobile conveying unit (3) comprising a receiving device (12) provided for receiving at least one mobile storage unit (2) for the purpose of conveying the storage unit (2) between different working stations (21) of the system (1).

Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (3) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of construction material (4) that can be solidified by means of an energy beam, comprising: a process chamber (4) comprising a working plane (A) which comprises a first working plane area (A1) comprising a construction plane (E) and another working plane area (A2) in which at least a part of a coating device (6) is arranged, a coating device (6) provided for forming construction material layers to be exposed selectively and to be solidified selectively in the construction plane (E) and comprising a coating element assembly group (8) which is movably supported, especially relative to the construction plane (E), via a guiding device (9) and comprises at least one coating element, a shielding device (18) provided for shielding the second working plane area (A2) from the intrusion of construction m

Abstract: A system for additive manufacturing of three-dimensional objects, comprising one or more working stations provided for performing at least one working process in additive manufacturing of three-dimensional objects, and a transport device provided for transporting powder modules used in additive manufacturing of three-dimensional objects within a working station and/or between several working stations, wherein the transport device comprises several transport units, wherein a respective transport unit comprises a carrying device comprising a carrying structure, which is provided for carrying at least one powder module arranged in the carrying structure, a first drive device provided for generating a movement of a powder module arranged in the carrying structure of the carrying device relative to the carrying device along an, especially linear, first movement axis, and a second drive device provided for generating a rotational movement of the carrying structure together with a powder module.

Abstract: An apparatus (1) for additive manufacturing of three-dimensional objects (2) by successive, selective layer-by-layer exposure and thus successive, selective layer-by-layer solidification of construction material layers of a construction material (3) that can be solidified by means of a laser beam (4), comprising a process chamber (7), in which the successive, selective layer-by-layer exposure and thus the successive, selective layer-by-layer exposure of respective construction material layers of a construction material (3) that can be solidified by means of a laser beam (4) is carried out, and an exposure device (6) provided for generating a laser beam (4) for the selective exposure and thus solidification of respective construction material layers, wherein the exposure device (6) is arranged or formed on a housing construction (11) in a heat-decoupled manner spaced apart from the process chamber (7).

Abstract: The invention relates to a device for producing three-dimensional objects by successively solidifying layers of a construction material that can be solidified using radiation on the positions corresponding to the respective cross-section of the object, with a housing comprising a process chamber, a construction container situated therein, an irradiation device for irradiating layers of the construction material on the positions corresponding to the respective cross-section of the object, an application device for applying the layers of the construction material onto a carrying device within the construction container or a previously formed layer, a metering device for delivering the construction material, wherein the application device comprises a coating element which distributes the construction material delivered by the metering device as a thin layer in an application area along a linear application movement, characterized in that, at the end of a coating process for a layer when returning the coating ele

Abstract: An apparatus (1) for additive manufacturing of at least one three-dimensional object (2) by successive selective solidification of individual construction material layers (3) of a particulate construction material (4) that can be solidified by means of an energy beam (6) generated by a beam generation device (5), comprising at least one beam generation device (5) for the generation of an energy beam (6) and at least one coating device (9) for forming a construction material layer to be solidified in a construction plane (3), characterized by at least one fluidization device (10) provided for at least sectional fluidization of the construction material (4) that can be applied as a construction material layer to be selectively solidified and/or the construction material (4) applied as a construction material layer to be selectively solidified.