Energy calibration device for SLS 3D printing equipment

• Main Authors: SHE SONGLIN, SU DAWEI, LIU XUEJIE
• Format: Patent
• Language: Chinese; English
• Published: 23.08.2022
• 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; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model discloses an energy calibration device for SLS (selective laser sintering) 3D (three-dimensional) printing equipment, the energy calibration device is matched with a light path system in the SLS 3D printing equipment for use, and the light path system comprises a laser, a laser head, a dynamic focus lens and a galvanometer which are sequentially connected through a light path; the energy calibration device comprises a spectroscope, an attenuation slice, a photosensitive sensor and a controller, the spectroscope is located between the laser head and the dynamic focus lens, the laser head, the spectroscope and the dynamic focus lens are in light path connection, one side of the spectroscope is provided with the attenuation slice and the photosensitive sensor, and the other side of the spectroscope is provided with the controller. The spectroscope, the attenuation sheet and the photosensitive sensor are sequentially connected through a light path, and the laser and the photosensitive sensor are