3D printing device

• Main Authors: XU KALI, LIU JIANYE, GUAN ZIMIN, ZHU HAOWEI, LI SHUISHENG, GAO WENHUA, NIU LIUHUI, CAO XINGTONG, QI WENJUN, HUANG WENHUAN
• Format: Patent
• Language: Chinese; English
• Published: 07.09.2018
• 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; CASTING; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; TRANSPORTING; WORKING METALLIC POWDER

The utility model provides a 3D printing device, includes: powder paving device for lay the powder at forming worktable, first laser instrument, including continuous laser seed source and pulsed laserseed source, fiber coupler and the optical fiber amplifier who sets gradually, continuous laser or pulsed laser are exported to the light beam of laser seed source and pulsed laser seed source outputbehind fiber coupler and optical fiber amplifier in succession, laser control module, with first laser instrument is connected, is used for control first laser instrument continuous laser of output or pulsed laser, the scanning galvanometer, be used for with laser or pulsed laser focus the forming worktable who lays the powder through the scanning galvanometer in succession, wherein: it is rightthat continuous laser is used for lay the forming worktable scanning shaping of powder, pulsed laser is used for carrying out the precision finishing to printing the formed part edge, the second laserinstrument is used for carr