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The R&D of the manufacture related technology for ITER magnet supports is one of the tasks for construction. In this paper, we report the recent progress on alternative design for the Toroidal Field Support (TFS) manufacture without welding and its related structural analysis; the engineering test of the prototype TFS mock-up under various load combinations; the arc-brazing of cooling pipe to supports technology and its result; the ion implantation for improving the wear resistance of strut dowel in the Poloidal Field (PF) coils PF3-4 support system and the plasma spray insulation coating for correction coil support (CCS).

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