Abstract: A method for operating a powder bed-based manufacturing device for additive manufacturing of a component from a powder material includes taking at least one optical recording of a working powder layer of the powder material on a construction location of the manufacturing device, locally evaluating the at least one optical recording, and examining the working powder layer for local coating errors using the evaluation of the at least one optical recording.

Abstract: Method and plant for recovery of a processed, powdered structural material in a plant for manufacturing a three-dimensional component by selective solidification of the structural material by a beam directed onto the structural material, in which, in a construction station which includes a process chamber, the component is manufactured on a substrate plate in a construction module by layered hardening of the structural material and/or in which, in an unpacking station which includes an unpacking chamber, the component manufactured in the construction module is removed from the construction module, and the processed, non-hardened structural material is removed from the component, in which the processed structural material is collected in a collecting device by a recovery device and provided for further feeding into the process chamber for manufacturing further components, wherein the recovery device includes at least one cartridge filled with the processed structural material collected in the application devic

Abstract: A method operates a powder bed-based manufacturing device for additive manufacturing of a component from a powder material. The method includes: taking at least one optical recording of a working powder layer of the powder material on a construction location of the manufacturing device; locally evaluating the at least one optical recording; and examining the working powder layer for local coating errors using the evaluation of the at least one optical recording.