F 2 D 2 MEETING 13092018 31122021 F

AGENDA • Coil 3 -4 development (Maria) • Magnetic design update (Valerio) • Mechanical

COIL MANUFACTURING COIL HEAD STUDIES Maria Durante 07/09/2018 31/12/2021 F 2 D 2 Coil

• Study of the feasability of the external joints • Study of coil

COIL 3 -4 STUDIES – HF LAYER JUMP R min hardway 450 mm Rmin

COIL 3 -4 STUDIES - HF LAYER JUMP 31/12/2021 F 2 D 2 Coil

COIL 3 -4 STUDIES – LF LAYER JUMP R min hardway 450 mm Rmin

COIL 3 -4 STUDIES – HF CABLE GOING OUT R min hardway 450 mm

NEXT STEPS • Continue components design • Starts tooling design • Plan for cable

| PAGE 10 F 2 D 2 Coil maufacturing | Coil Head Studies 31/12/2021

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F 2 D 2 MEETING 13/09/2018 31/12/2021 F 2 D 2 Coil maufacturing | Coil Head Studies | PAGE 1

AGENDA • Coil 3 -4 development (Maria) • Magnetic design update (Valerio) • Mechanical design update (Etienne) • Supporting work: update on SD (Philip) • Protection: point on comsol • New meeting time slot 31/12/2021 F 2 D 2 Coil maufacturing | Coil Head Studies | PAGE 2

COIL MANUFACTURING COIL HEAD STUDIES Maria Durante 07/09/2018 31/12/2021 F 2 D 2 Coil maufacturing | Coil Head Studies | PAGE 3

• Study of the feasability of the external joints • Study of coil 3 -4 only • Critical points: • Layer jumps of low grade and high grade • Coil leads exit Objective is to keep the coil as compact as possible => several versions are considered 31/12/2021 F 2 D 2 Coil maufacturing | Coil Head Studies | PAGE 4

COIL 3 -4 STUDIES – HF LAYER JUMP R min hardway 450 mm Rmin easy way 10 x Cable thickness HF Layer Jump S on one side LJ lenght : 200 mm 31/12/2021 F 2 D 2 Coil maufacturing | Coil Head Studies | PAGE 5

COIL 3 -4 STUDIES - HF LAYER JUMP 31/12/2021 F 2 D 2 Coil maufacturing | Coil Head Studies | PAGE 6

COIL 3 -4 STUDIES – LF LAYER JUMP R min hardway 450 mm Rmin easy way 10 x Cable thickness LF Layer Jump – version B S on one side R min HW 286 mm Same side that Layer 3 going out Opposite to Layer 4 going out BASELINE F Layer Jump – version A S in two parts to imprpve compaction 31/12/2021 F 2 D 2 Coil maufacturing | Coil Head Studies | PAGE 7

COIL 3 -4 STUDIES – HF CABLE GOING OUT R min hardway 450 mm Rmin easy way 10 x Cable thickness HF Going out – version A Layer 4 going out on layer 4 side, in the pad Exit toward the pad HF going out – version B Layer 4 going out on layer 3 side, Layer 3 and 4 going out on the same side, between the coils « exit jump » requires to extend length BASELINE 31/12/2021 F 2 D 2 Coil maufacturing | Coil Head Studies | PAGE 8

NEXT STEPS • Continue components design • Starts tooling design • Plan for cable bending tests using cable samples sent by CERN 31/12/2021 F 2 D 2 Coil maufacturing | Coil Head Studies | PAGE 9

| PAGE 10 F 2 D 2 Coil maufacturing | Coil Head Studies 31/12/2021 Commissariat à l’énergie atomique et aux énergies alternatives Centre de Saclay | 91191 Gif-sur-Yvette Cedex T. +33 (0)1 69 08 71 27 | F. +33 (0)1 69 08 69 49 Etablissement public à caractère industriel et commercial | RCS Paris B 775 685 019 DSM IRFU SACM