Real-time beam shaping laser-induction/micro-forging composite cladding additive manufacturing method and device

• Main Authors: ZHANG ZHIGUO, ZHOU SHENGFENG, YI YANLIANG, LI WEI, QIU YATING, REN PAN
• Format: Patent
• Language: Chinese; English
• Published: 23.09.2022
• 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; CASTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING; WORKING METALLIC POWDER

The invention discloses a real-time light beam shaping laser-induction/micro-forging composite cladding additive manufacturing method and device, and the method comprises the steps: carrying out the real-time high-frequency oscillation and light beam shaping of a light beam and the ultrasonic rolling (micro-forging) treatment of each cladding layer during the laser-induction composite cladding, and molten pool temperature gradient distribution and the molten pool stirring degree are adjusted, the microscopic structure is refined, the surface roughness is reduced, and the anti-fatigue performance is improved. By adjusting the laser power and wavelength, the amplitude and frequency of the high-frequency galvanometer controller, real-time automatic switching of different forms of light beams, and the rolling force, ultrasonic frequency and amplitude of the ultrasonic rolling device, the manufacturing efficiency of the laser cladding additive is improved by 5-8 times compared with that of pure laser cladding addi