Method for producing a laminated object and apparatus for...

Details Method for producing a laminated object and apparatus for... Method for producing a laminated object and apparatus for...

G - Physics

03

F

96/248

G03F 7/20 (2006.01) B23K 26/06 (2006.01) B29C 41/36 (2006.01) B29C 67/00 (2006.01) B29C 35/08 (2006.01)

Patent

CA 2227672

A method for producing a laminated object repeats a depositing step and an irradiating step alternatively. The irradiating step comprises the operations of: covering a deposited layer with a mask having a pattern configuration for penetrating the laser beam; and scanning the laser beam on the deposited layer covered with the mask in such a manner that the laser beam depicts an irradiated continuous wave trace being wider than the pattern configuration of the mask, by moving the laser beam in the Y-direction with a Y-- rotating mirror, while repeating oscillations of the laser beam in the X- direction with a X--rotating mirror. The laminated object may be a casting mold.

Méthode de production d'un objet laminé répétant alternativement une étape de dépôt et une étape d'irradiation. L'étape d'irradiation comprend les opérations suivantes : recouvrement d'une couche déposée à l'aide d'un masque dont la configuration permet la pénétration du faisceau laser, et balayage du faisceau laser sur la couche déposée recouverte du masque de façon que le faisceau laser produise une trace ondulatoire irradiée continue plus large que la configuration du masque, par déplacement du faisceau laser dans la direction Y à l'aide d'un miroir tournant en Y, tout en répétant les oscillations du faisceau laser dans la direction X à l'aide d'un miroir tournant en X. L'objet laminé peut être un moule.

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