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From the transition form and classification of droplets, the relationship between transition morphology and process, the mechanism of droplet transfer, the influencing factors of droplet transfer and the control, the transfer principle and control principle of titanium-type slag gas shielded flux-cored wire are discussed. The results show that the basic form of the wire droplet transfer is a non-axial drop transition. At the lower moment of the electric isolation voltage, the short-circuit transition behavior also occurs. The influence of the wire droplet transfer pattern on the processability depends on the welding specification parameters. The change is mainly the welding current, and the process index is changed by affecting the droplet transition index. According to the characteristics of the wire droplet formation process, a force transfer model of the flux-cored wire is established. When the welding current changes, different forces play a major role in the droplet transfer. Select the wire cross-sectional shape by adjusting the core composition,