Slide 1

Fabrication Progress for LHC Superconducting Crab Cavities April 17, 2015

Slide 2

Outer conductor halves 4 halves in QA 2 Double Quarter-Wave

Slide 3

3 Top cake pans 2 in QA Double Quarter-Wave

Slide 4

4 Bottom cake pans 2 in QA

Slide 5

Double Quarter-Wave 5 Cake pan assemblies

Slide 6

6 Bowls Complete Ready for NbTi tuner attachment welds Double Quarter-Wave

Slide 7

7 Cake pan & bowl stackup Double Quarter-Wave

Slide 8

8 Outer conductor halves 4 in QA RF Dipole

Slide 9

9 Small HOM Box Side Port 2 in QA (4 halves)

Slide 10

10 End cap: Niobium stamping in progress RF Dipole

Slide 11

11 FPC & HOM Box Port Halves Waiting for finalization of end cap prototype RF Dipolecopper prototypes

Slide 12

12 Bowl: Machined copper for stackup RF Dipolecopper prototypes

Slide 13

13 Stiffener: Machined for stackup RF Dipolecopper prototypes

Slide 14

14 Bowl Stiffener Outer Conductor