DEVICES, SYSTEMS, AND METHODS FOR MONITORING A POWDER LAYER IN ADDITIVE MANUFACTURING PROCESSES

• Main Authors: Löfving, Björn, Karlsson, Kristofer
• Format: Patent
• Language: English; French; German
• Published: 27.01.2021
• Subjects: ADDITIVE MANUFACTURING TECHNOLOGY; ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CASTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING METALLIC POWDER; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Devices, systems, and methods for monitoring a powder layer (112) in additive manufacturing are disclosed. A method includes receiving leading and trailing image data from an image signal processor (121) that is optically coupled to a plurality of leading and trailing optical fibers (109a, 109b) arr...