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1.3 GHz FNAL Dressed Cavity. S-1 Global Deliverable to KEK. 7 July 2009. S1-Global Cryomodule. Fermilab is committed to global international design and collaboration. 4 KEK cavities. Goal: Demonstrate a cryomodule with an average accelerating gradient of 31.5 MV/m. 2 DESY, 2 FNAL cavities. - PowerPoint PPT Presentation
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1.3 GHz FNALDressed Cavity
S-1 Global Deliverable to KEK
7 July 2009
S1-Global Cryomodule
4 KEK cavities
2 DESY, 2 FNAL cavities
Goal: Demonstrate a cryomodule with an average accelerating
gradient of 31.5 MV/m
Fermilab is committed to global international design and collaboration.
INFN Bladetuner Installation Issues with KEK WPM & Heat Shields
Motor Interference with Shield andKEK WPM Pipe
According to INFN, the piezos must be mounted in the horizontal position. In this position, the motor interferes with the KEK WPM pipe.
Current Dressed Cavity Design
Magnetic shielding not shown
•2 Dressed cavities•HOM couplers, cables, heat sinks•2 He Supply pipe bellows•2 Inter-cavity bellows •Warm and cold couplers•Magnetic shielding as shown•Bladetuner with motor•Seals•Cables•Hardware as shown
Current Dressed Cavity Design
Magnetic shielding shown
•2 Dressed cavities•HOM couplers, cables, heat sinks•2 He Supply pipe bellows•2 Inter-cavity bellows •Warm and cold couplers•Magnetic shielding as shown•Bladetuner with motor•Seals•Cables•Hardware as shown
Bladetuner Cables
Potential Issues• Needle bearings• Main coupler external mounts, hardware,
alignment tooling for installation• Magnetic shielding interface with DESY
cavities• 2-phase He pipe cut-offs and welding the
bellows into the system• Heat-sink straps for coupler shields• Gatevalves / 90 deg valves / blankoffs