An additive manufacturing apparatus includes an environmentally sealed first chamber, a second chamber separated from the first chamber by a first valve, a platform positionable in the first chamber, a dispenser configured to deliver a plurality of successive layers of feed material onto the platform in the first chamber, at least one energy source to selectively fuse feed material in a layer on the platform in the first chamber, and an air knife assembly to direct a laminar flow of air across a layer of feed material on the platform in the first chamber. The air knife assembly includes an inlet module and an exhaust module that are movable through the first valve between the first chamber and the second chamber.

System for the additive production of three-dimensional objects, comprising: —a device which is designed for the additive production of a three-dimensional object, wherein the device comprises a process chamber, within which additive construction processes for the additive production of three-dimensional objects can be carried out, —a powder module which can be docked to the process chamber of the at least one device, and which comprises a receiving chamber for receiving construction material that is to be solidified as part of an additive construction process or that is not solidified and/or a three-dimensional object that is to be additively produced or is additively produced as part of an additive construction process, —a cleaning module which can be docked to the process chamber of the at least one device and which comprises a cleaning device.

System for the additive production of three-dimensional objects, comprising: —a device which is designed for the additive production of a three-dimensional object, wherein the device comprises a process chamber, within which additive construction processes for the additive production of three-dimensional objects can be carried out, —a powder module which can be docked to the process chamber of the at least one device, and which comprises a receiving chamber for receiving construction material that is to be solidified as part of an additive construction process or that is not solidified and/or a three-dimensional object that is to be additively produced or is additively produced as part of an additive construction process, —a cleaning module which can be docked to the process chamber of the at least one device and which comprises a cleaning device.

In an apparatus for selective laser melting and/or laser sintering with a mounting base, that has at least one chamber, wherein the at least one chamber is a building chamber and/or a powder reservoir chamber for a powder, the saving of powder results in an increase in the possible uses of the apparatus, in that the apparatus further comprises at least one fitting element, wherein in operation, the at least one fitting element is located in the at least one building chamber, wherein in a first configuration the at least one fitting element is vertically movable relative to the main body and in a second configuration the at least one fitting element is fixedly connected to the mounting base.

In an apparatus for selective laser melting and/or laser sintering with a mounting base, that has at least one chamber, wherein the at least one chamber is a building chamber and/or a powder reservoir chamber for a powder, the saving of powder results in an increase in the possible uses of the apparatus, in that the apparatus further comprises at least one fitting element, wherein in operation, the at least one fitting element is located in the at least one building chamber, wherein in a first configuration the at least one fitting element is vertically movable relative to the main body and in a second configuration the at least one fitting element is fixedly connected to the mounting base.

An additive manufacturing device for forming a three-dimensional object includes a parking station for receiving a number of removably seated modules and a movable carriage having a carriage latching mechanism for receiving one of the removably seated modules. Movement of the carriage to a module transfers the module to the carriage.

In a device for the additive manufacturing of a shaped body, comprising a construction platform, at least one printing head for applying material layer by layer to the construction platform or the shaped body at least partially constructed on the construction platform, a positionable carrier for the at least one printing head, a positioning system for the carrier, a holder for a material stock, and a supply device for supplying material from the material stock to the at least one printing head, the holder for the material stock, the supply device and the printing head are arranged in a unit designed as an exchangeable insert.

In a device for the additive manufacturing of a shaped body, comprising a construction platform, at least one printing head for applying material layer by layer to the construction platform or the shaped body at least partially constructed on the construction platform, a positionable carrier for the at least one printing head, a positioning system for the carrier, a holder for a material stock, and a supply device for supplying material from the material stock to the at least one printing head, the holder for the material stock, the supply device and the printing head are arranged in a unit designed as an exchangeable insert.

In a stereolithography device (1), a three-dimensional object (2) is generated by curing a photosensitive substance (3) under the action of specific radiation, wherein the device includes a support unit, a radiation source (8) for generating the radiation, and a cartridge unit (10) that can be positioned on the support unit and removed therefrom. The cartridge unit (10) includes an interior space (140) surrounded by a casing (14), wherein the casing of the cartridge unit is deformable and at least partially transparent to the radiation triggering the curing process. The interior space (140) surrounded by the casing has a volume including a receiving space (4) in which the photosensitive substance (3) is present for at least a duration of an irradiation and curing process and accessible to the radiation.

In a stereolithography device (1), a three-dimensional object (2) is generated by curing a photosensitive substance (3) under the action of specific radiation, wherein the device includes a support unit, a radiation source (8) for generating the radiation, and a cartridge unit (10) that can be positioned on the support unit and removed therefrom. The cartridge unit (10) includes an interior space (140) surrounded by a casing (14), wherein the casing of the cartridge unit is deformable and at least partially transparent to the radiation triggering the curing process. The interior space (140) surrounded by the casing has a volume including a receiving space (4) in which the photosensitive substance (3) is present for at least a duration of an irradiation and curing process and accessible to the radiation.