Abstract: An apparatus for additively manufacturing three-dimensional objects formed of successive layerwise consolidation of layers of a build material which can be consolidated by an energy beam. The apparatus may include a determination device confirmed to determine at least one parameter of the energy beam for a specific build material, wherein the determination device comprises at least one determination base body arrangeable or arranged in a beam guiding plane, in particular a build plane; and a tempering unit confirmed to temper the determination base body. Determination devices, along with methods, are also provided for determining at least one parameter of an energy beam of an apparatus for additively manufacturing three-dimensional objects.

Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective consolidation of layers of a build material (3) which can be consolidated by means of an energy source (4), which apparatus (1) comprises an optical unit (10) with at least one optical surface (9) arranged in a process chamber (6) of the apparatus (1), wherein the apparatus (1) comprises at least one determination device (12) with at least one light source (13) and at least one determination unit (14) adapted to determine at least one radiation parameter of radiation (15) emitted from the light source (13) and reflected at the optical surface (9) of the optical unit (10), wherein the determination device (12) is adapted to determine at least one condition information of the optical unit (10) based on the determined radiation parameter.

Abstract: Apparatus for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, which apparatus comprises an irradiation device adapted to guide an energy beam across a build plane, wherein a calibration device is provided comprising a positioning unit, a determination unit and a calibration unit, preferably arranged in a process chamber of the apparatus, that is adapted to at least partially reflect the energy beam, wherein the irradiation device is adapted to guide the energy beam to the calibration unit for generating a reflected part of the energy beam, wherein the positioning unit is adapted to position the irradiation device dependent on at least one parameter of the reflected part of the energy beam determined via the determination unit.

Abstract: An apparatus for additively manufacturing three-dimensional objects formed of successive layerwise consolidation of layers of a build material which can be consolidated by an energy beam. The apparatus may include a determination device confirmed to determine at least one parameter of the energy beam for a specific build material, wherein the determination device comprises at least one determination base body arrangeable or arranged in a beam guiding plane, in particular a build plane; and a tempering unit confirmed to temper the determination base body. Determination devices, along with methods, are also provided for determining at least one parameter of an energy beam of an apparatus for additively manufacturing three-dimensional objects.

Abstract: An apparatus for additively manufacturing three-dimensional objects formed of selective consolidation of layers of a build material is provided. The apparatus may include a determination device configured to determine at least one parameter of the energy beam, wherein the determination device comprises at least one determination base body arranged in a beam guiding plane, wherein at least one surface parameter of a surface of the determination base body is defined dependent on a surface parameter of a specific build material arranged in a build plane in an additive manufacturing process performed on the apparatus. Determination devices and methods are also generally provided for determining at least one parameter of an energy beam of an apparatus for additively manufacturing three-dimensional objects.

Abstract: Apparatus for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, which apparatus comprises an irradiation device adapted to guide an energy beam across a build plane, wherein a calibration device is provided comprising a positioning unit, a determination unit and a calibration unit, preferably arranged in a process chamber of the apparatus, that is adapted to at least partially reflect the energy beam, wherein the irradiation device is adapted to guide the energy beam to the calibration unit for generating a reflected part of the energy beam, wherein the positioning unit is adapted to position the irradiation device dependent on at least one parameter of the reflected part of the energy beam determined via the determination unit.

Abstract: Determination device (1) for determining at least one parameter of an energy beam (5) for an apparatus (3) for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam (5), wherein the determination device (1) comprises a beam guiding element (12) adapted to guide the energy beam (5) to a determination unit (7) which is adapted to determine at least one parameter of the energy beam (5), wherein the determination unit (7) and the beam guiding element (12) are arranged as a determination assembly in a defined spatial arrangement relative to each other, wherein the determination assembly is movable, in particular rotatable, into at least a first and a second determination position, wherein the determination unit (7) is adapted to receive the energy beam (5) being guided to a first spatial position from the beam guiding element (12) in the first determination positi

Abstract: Apparatus (1) for additively manufacturing three-dimensional objects (2) by means of successive layerwise selective consolidation of layers of a build material (3) which can be consolidated by means of an energy source (4), which apparatus (1) comprises an optical unit (10) with at least one optical surface (9) arranged in a process chamber (6) of the apparatus (1), wherein the apparatus (1) comprises at least one determination device (12) with at least one light source (13) and at least one determination unit (14) adapted to determine at least one radiation parameter of radiation (15) emitted from the light source (13) and reflected at the optical surface (9) of the optical unit (10), wherein the determination device (12) is adapted to determine at least one condition information of the optical unit (10) based on the determined radiation parameter.

Abstract: Determination device for determining at least one parameter of an energy beam for an apparatus for additively manufacturing three-dimensional objects by means of successive layerwise selective irradiation and consolidation of layers of a build material which can be consolidated by means of an energy beam, wherein at least a first and a second beam guiding element are adapted to guide the energy beam to a determination unit which is adapted to determine at least one parameter of the energy beam, wherein the determination unit is movable, in particular rotatable, into at least a first and a second determination position, wherein the determination unit is adapted to receive the energy beam from the first beam guiding element in the first determination position and to receive the energy beam from the second beam guiding element in the second determination position.