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赵锴，杨成刚，易翔.CMT焊接技术的应用、发展与展望［J］.电焊机，2022，52（5）：60-66.
ZHAO Kai, YANG Chenggang, YI Xiang.Development, Application and Prospect of CMT Welding Technology[J].Electric Welding Machine, 2022, 52(5): 60-66.
冷金属过渡（CMT）是由福尼斯公司结合电源精确能量控制和“无飞溅引弧”焊丝送抽技术开发出的一种工艺方法，CMT高质量堆焊层的稀释率低，抗腐蚀性能高，焊接变形少，焊缝表面质量美观。焊接电流变极性与焊丝双向运动相结合进一步衍生出CMT Advanced、CMT Pulse和CMT Pulse Advanced等工艺。变极性CMT使得超薄板焊接、大间隙焊缝甚至间隙不均匀焊接都能得以实施，CMT Pulse Advanced将变极性与脉冲GMAW相结合，使其具有更精确的热输入控制、极佳的间隙搭桥能力、更高的熔覆效率等优点，可实现多种异种金属件间的连接，也可用于航空航天结构部件如Mg合金、Al-Li合金等的制造、维护和维修等。CMT在金属平面打印和电弧增材制造应用上也显现出一定优势，CMT销钉可用于金属与非金属如橡胶、塑料或者木头的连接。并展望了CMT焊接技术未来的发展趋势，对该技术的后续研究具有一定的参考价值。
A low heat input and precise fusing amount control process-CMT is developed by Fronius, which combines the precise energy control of the power supply and the "splash-free arc ignition" welding wire feeding and withdrawing technology. CMT high-quality cladding coatings have many characteristics such as low dilution rate, high corrosion resistance, less welding deformation, and beautiful weld surface quality. CMT Advanced, CMT Pulse and CMT Pulse Advanced are further derived from the combination of variable polarity of welding current and bidirectional movement of welding wire. Ultra-thin plate, large gap and even uneven gaps can be implemented due to CMT variable polarity technology. CMT Pulse Advanced combines variable polarity with pulsed GMAW, which enables more precise heat input control, excellent gap bridging capabilities and higher cladding efficiency etc. Consequently, a variety of dissimilar metal parts can be welded. CMT is also used for the manufacture, maintenance and repair of aerospace structural components such as Mg alloy and Al-Li alloy. CMT shows advantages in metal plane printing and arc additive manufacturing applications. CMT pins can be used to connect metals and non-metals such as rubber, plastic or wood. The welding wire of TPSi-CMT welding machine can also be used as a touch sensor. The development trend of CMT welding technology is prospected, which has a certain reference value for the subsequent application and research of this technology.
变极性CMT电弧增材制造CMT销钉CMT焊丝传感
variable polarityCMT arc additive manufacturingCMT pinCMT wire sensor
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