电弧增材热源及轨迹规划研究进展

Research progress in heat source and path planning of directed energy deposition-arc

电弧增材制造技术因其优异特性在科研和工业装备领域备受关注,在航空航天和武器装备等高端装备制造领域显示出巨大的应用潜力.电弧增材热源是用于熔化金属丝材的重要能量源,是电弧增材制造的核心之一,而电弧热源的稳定性和控制精度直接影响到金属丝材的熔化质量,热输入量决定构件的成形效率.轨迹规划则是电弧增材制造中另一个至关重要的核心技术,直接影响构件的成形质量和性能.文中概述了近年来多电极耦合电弧、主动约束电弧和多能场复合电弧等电弧增材热源以及轨迹规划方面的研究进展,并对未来研究方向做出展望.

Directed energy deposition-arc(DED-Arc)technology has garnered significant attention in both scientific research and industrial equipment fields due to its exceptional characteristics.It shows immense application potential in equipment manufacturing sectors such as aerospace and weaponry.The heat source,a core component of DED-Arc,is used for melting metal wires.The stability and control precision of the heat source directly affect the melting quality of the metal wires,while the amount of heat input determines the forming efficiency.Path planning is another critical core technology,directly influencing the forming quality and properties of the components.This paper outlines the recent research progress in heat sources of DED-Arc,including multi-electrode coupled,actively constrained,and multi-energy field composite arcs,as well as advancements in path planning.Additionally,it provides prospects for future research directions.