A three-dimensional additive manufacturing device manufactures a layered structure by supplying powder for manufacturing the layered structure while changing the positional relationship between a discharge port from which the powder is discharged and the layered structure. The three-dimensional additive manufacturing device includes: a powder supply unit that supplies powder from the discharge port toward the layered structure; a light irradiation unit that irradiates the powder with a light beam to melt and harden the powder to thereby manufacture the layered structure; an imaging unit that captures an image of the manufacturing site where the layered structure is being manufactured; a distance detector that detects a distance from the manufacturing site to the powder supply unit on the basis of the image; and a feedback controller that adjusts a moving speed of the powder supply unit relative to the layered structure on the basis of a detection result of the distance.

An electron beam system for the additive manufacture of a workpiece having a process chamber which can be evacuated and comprising an electron beam generator which is designed to direct an electron beam onto laterally different locations of a powder bed made of a pulverulent material to be processed in the process chamber. In order to improve the throughput of the electron beam system, the system has at least one prechamber which can be evacuated and which is constantly connected to the process chamber during the operation of the electron beam system in a vacuum-tight manner via a sluice door. Furthermore, at least one movable receiving device for receiving the powder bed and a transport device are provided, said transport device allowing the at least one receiving device to be transported from the prechamber into the process chamber.

An electron beam system for the additive manufacture of a workpiece having a process chamber which can be evacuated and comprising an electron beam generator which is designed to direct an electron beam onto laterally different locations of a powder bed made of a pulverulent material to be processed in the process chamber. In order to improve the throughput of the electron beam system, the system has at least one prechamber which can be evacuated and which is constantly connected to the process chamber during the operation of the electron beam system in a vacuum-tight manner via a sluice door. Furthermore, at least one movable receiving device for receiving the powder bed and a transport device are provided, said transport device allowing the at least one receiving device to be transported from the prechamber into the process chamber.

In one example in accordance with the present disclosure, a system is described. The system includes a reader to extract cleaning instructions associated with a three-dimensional (3D) printed object. The cleaning instructions include a termination condition to indicate when object cleaning is complete. The system also includes a controller to instruct at least one cleaning device to clean the 3D printed object based on the cleaning instructions. A measurement system of the system determines when the termination condition is met.

In one example in accordance with the present disclosure, a system is described. The system includes a reader to extract cleaning instructions associated with a three-dimensional (3D) printed object. The cleaning instructions include a termination condition to indicate when object cleaning is complete. The system also includes a controller to instruct at least one cleaning device to clean the 3D printed object based on the cleaning instructions. A measurement system of the system determines when the termination condition is met.

A body, a table that is located on the body and allows powders to be laid thereon by a laying apparatus is disclosed. A layer is created by sintering or fusing the powders laid on the table, a part (P) that is produced by depositing the layers on top of each other using additive manufacturing method, and at least one heat source is located on the body and applies heat treatment to the powders laid on the table.

A three-dimensional (3D) printing system includes a print engine chassis, a build box, a vertical movement mechanism, a powder dispensing module, a consolidation module, and a controller. The print engine chassis defines a build chamber configured to receive and support the build box. The build box includes a build plate upon which the 3D article is fabricated. The vertical movement mechanism includes a plurality of actuators configured to collectively provide precise positioning of the build plate. The controller is configured to (1) operate the vertical movement mechanism including operating the plurality of actuators to position an upper surface of the 3D article generally proximate and parallel to a build plane, (2) operate the powder dispensing module to dispense a new layer of powder over the upper surface, and (3) operate the consolidation module to selectively consolidate the new layer of powder.

Systems, apparatus, computer-readable medium, and associated methods to monitor, analyze, and adjust at least one of 1) additive machine health and configuration or 2) build health and configuration are disclosed. An example apparatus includes an analytics processor, separate from and in a trusted relationship with an additive manufacturing machine building a part, to process, based on a trigger, data from monitoring of the additive manufacturing machine and the build of the part, the analytics processor including a hybrid model fusing additive process physics and data science to process the data to identify an abnormality in at least one of the build or the additive manufacturing machine and to adjust a configuration of the additive manufacturing machine during the build to address the abnormality.

A method for manufacturing a three-dimensional shaped object includes: a stacking step of stacking a layer by discharging a shaping material from a nozzle while moving the nozzle with respect to a stage in accordance with shaping data with which a three-dimensional shaped object is shaped, the shaping data including path information indicating a movement path of the nozzle with respect to the stage and discharge amount information indicating a discharge amount of the shaping material in the movement path; and a data changing step of adding a cleaning command for cleaning the nozzle to the shaping data based on information included in the shaping data.

A method for manufacturing a three-dimensional shaped object includes: a stacking step of stacking a layer by discharging a shaping material from a nozzle while moving the nozzle with respect to a stage in accordance with shaping data with which a three-dimensional shaped object is shaped, the shaping data including path information indicating a movement path of the nozzle with respect to the stage and discharge amount information indicating a discharge amount of the shaping material in the movement path; and a data changing step of adding a cleaning command for cleaning the nozzle to the shaping data based on information included in the shaping data.