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首页> 外文会议>International Conference on Advanced Design and Manufacture(ADM2006); 20060108-10; Harbin(CN) >DIRECT LASER FABRICATION OF METALLIC COMPONENTS
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DIRECT LASER FABRICATION OF METALLIC COMPONENTS

机译：金属成分的直接激光制造

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Recently, a type of direct laser deposition process, called Laser Metal Deposition Shaping (LMDS), has been pursued and developed at Shenyang Institute of Automation Chinese Academy of Sciences. The LMDS system consists of four primary components: energy supply system, motion control system, powder delivery system, and computer control system. During this process, a certain alloy is fused onto the surface of a substrate. Laser deposition devices, namely powder feeder, CNC worktable, and laser shutter, are integrated to automatically make any cladding profile possible. Material is deposited by scanning the laser across a surface while injecting metallic powders into the molten pool at the laser focus. The metal part is then fabricated layer by layer. In this way, a number of parts have been produced with the system, which proves that the LMDS process is more robust than previous rapid prototyping techniques, consistently producing fully dense, near-net shaped deposits with excellent material properties just in a single, fully automated production step. The technique is sufficiently promising in that parts can be made from virtually any machinable material which can be deposited incrementally, without the need to prepare dies or use conventional forming equipment or extensive machining and joining processes.
机译：最近，中国科学院沉阳自动化研究所正在研究和开发一种直接激光沉积工艺，称为激光金属沉积成型（LMDS）。 LMDS系统由四个主要组件组成：能量供应系统，运动控制系统，粉末输送系统和计算机控制系统。在此过程中，某种合金会熔化到基底表面上。集成了激光沉积设备，即送粉器，CNC工作台和激光快门，以自动实现任何熔覆轮廓。通过在整个表面上扫描激光，同时在激光焦点处将金属粉末注入熔池中来沉积材料。然后逐层制造金属零件。通过这种方式，该系统已经生产了许多零件，这证明了LMDS工艺比以前的快速成型技术更可靠，始终能够在一个完整的过程中连续生产出具有优异材料性能的完全致密的近净形沉积物。自动化生产步骤。该技术很有希望，因为零件几乎可以用任何可增量沉积的可加工材料制成，而无需准备模具或使用常规成型设备或广泛的机械加工和连接工艺。

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