Assembly technologies of the Vacuum Vessel on JT-60SA with high accuracy

Y.K. Shibama,K. Masaki,Akira Sakasai,M. Hanada,F. Okano,J. Yagyu,H. Ichige,Y. Miyo,A. Kaminaga,T. Sasajima,T. Nishiyama,S. Sakurai,K. Hasegawa,K. Kizu,Kunihiko Tsuchiya,Y. Koide,K. Yoshida,J. Alonso,J. Botija,M. Medrano,Esther Rincon,E. Di Pietro,S. Davis,V. Tomarchio, A. Hayakawa, T. Morimoto,Tsuyoshi Ogawa, Mitsuru Ejiri, S. Mizumaki, Toshihisa Okuyama,Shiro Asano

Fusion Engineering and Design（2017）

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摘要

•Assembly technologies of tokamak are developed to suppress magnetic field error.•Assembly process of over 10-m size components is simulated for each positioning.•The Cryostat Base is bolt-assembled within ±2mm error.•The Vacuum Vessel 340° sector is weld-assembled within +8/−4mm error.•The final TF coil with VV sector is prospected to be installed within 0.01% error.

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关键词

Onsite assembly,Magnetic field error,TF coils,Welding deformation,Vacuum vessel,JT-60SA

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