General Electric (GE) company completes production of 11T dipole coils at CERN

The last collaring of the 11 Tesla (unit T) dipole collared coils was completed in the Large Magnet Facility in building 180 at CERN. The 11T dipole magnet is made of Nb3Sn superconductor. In view of the High Luminosity LHC Project at CERN these magnets are meant to replace one LHC main dipole on either side of interaction point 7 (IP7) in the LHC tunnel with the goal of providing space for additional collimators. The work was completed by the company GE (General Electric), formerly Alstom in Belfort (France). Photos show collaborators standing along the collaring press conveyor which a dedicated team put in place for the production of the coils and collared coils. All have largely contributed to the completion of the production, which lasted for almost three years. The last collared coils assembly is visible, still in the collaring tooling, prior to being moved to another bench for the final reception tests including geometry, electrical, and magnetic measurements.