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题名: CLOSED-LOOP CONTROL SYSTEM FOR METAL POWDER LASER SHAPING PROCESS
作者: Jiang SJ(姜淑娟) ; Liu WJ(刘伟军) ; Xing F(邢飞)
作者部门: 先进制造技术研究室
会议名称: 7th International Conference on Frontiers of Design and Manufacturing (ICFDM'2006)
会议日期: June 19-22 ,2006
会议地点: Guangzhou, China
会议录: Proceedings of the 7th International Conference on Frontiers of Design and Manufacturing (ICFDM'2006)
出版日期: 2006
页码: 519-524
ISBN号: 0-9580692-6-3
关键词: metal powder laser shaping ; temperature measurement with colorimetric method ; cladding height ; control
摘要: The Metal Powder Laser Shaping (MPLS) technology is a new manufacturing technology based on the theory of Rapid Prototyping. MPLS process is affected by multiple factors, such as the power of the laser, the scanning speed of the laser, the feeding rate of metal powder, and the temperature of the molten pool. The temperature of the molten pool and the height of laser cladding are two key parameters that reflect the processing condition and affect the quality of the shaped parts. In order to improve the quality and precision of built parts, real-time monitoring and closed-loop control of the temperature of the molten pool and the cladding height must be implemented. As a consequence, a promising measurement and control system for MPLS process has been constructed and developed successfully by Shenyang Institute of Automation Chinese Academy of Sciences. The temperature field of the molten pool and the cladding height sensing and control system are presented in this paper. The closed-loop system results show a great improvement in the geometrical accuracy of the built characteristics.
产权排序: 1
内容类型: 会议论文
URI标识: http://ir.sia.cn/handle/173321/9793
Appears in Collections:工业信息学研究室_先进制造技术研究室_会议论文

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