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Introduction on ITER CC Manufacturing and Welding Process in ASIPP

Introduction on ITER CC Manufacturing and Welding Process in ASIPP. Jing Wei on behalf of CC team in ASIPP. Manufacturing Process of CC in ASIPP. Bending head. Ground Insulation Wrapping. 1. 2. CICC payoff & correcting. 3. Winding , Turn insulation wrapping & He inlet weld.

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Introduction on ITER CC Manufacturing and Welding Process in ASIPP

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  1. Introduction on ITER CC Manufacturing and Welding Process in ASIPP Jing Wei on behalf of CC team in ASIPP

  2. Manufacturing Process of CC in ASIPP Bending head Ground Insulation Wrapping 1 2 CICC payoff & correcting 3 Winding, Turn insulation wrapping & He inlet weld CICC preparation Each CC coil will be manufactured following the seven procedures. 4 1st VPI on Winding Pack (WP) (Vacuum Pressure Impregnation) Insertion of WP into Case Welding enclosure of case Terminal box assembly 2nd VPI of WP with case 5 7 6

  3. Manufacturing Line in CC Workshop Winding line equipment Insulation wrapping head Specialist Drills for helium inlet/outlets VPI equipment Specialist Station Laser welding equipment Dedicated Soldering and Heating System

  4. Welding Qualification of CC Helium inlet/outlet Welding structure of CC helium inlet/outlet • Welding qualification for CC helium inlet/outlet • Welding temperature <200 ℃ on the surface of cable • Test welds of the stub shall achieve full penetration in visual, X-ray and microscopic examinations • The acceptance criteria is ISO 5817:2003 Class B

  5. Welding Qualification of CC Helium inlet/outlet • All the NDT test to the CC helium inlet/outlet must be done on the winding line. • The normal radiographic test has been taken into account after welding of helium inlet/outlet to the jacket.

  6. Welding Qualification of CC Case Welding Structure of BCC case • TIG welding will be used on the manufacturing of BCC/SCC subcase. • Laser welding with filler material will be used on the case enclosure for both types of case.

  7. Conclusion • A lot of work has been done to improve the weld quality of CC helium inlet/outlet. • Radiographic test should be made on manufacturing line for the helium inlet/outlet of CC. • TIG welding will be used on the manufacturing of CC subcase and all the NDT test will be made before assembly. • Laser welding will be used for the closure welding of CC case.

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