installation issues steve virostek lawrence berkeley national lab mice cm23 at icst, harbin january...

Installation Issues

Steve VirostekLawrence Berkeley National Lab

MICE CM23 at ICST, Harbin

January 13, 2009

MICE Installation Issues – MICE CM23 at ICST, Harbin, China

Steve Virostek - Lawrence Berkeley National Lab - January 13, 2009

Topic Summary

•Packaging and delivery to RAL

•Moving of modules into MICE hall

•Assembly work in MICE hall

•Installation interfaces•End flanges and seals•Base mounting•Other connections

•Utility requirements

•Instrumentation



Progress Update

•Shipping skid for RFCC module developed

–Module axis is vertical during shipping–Skid provides for rotation to horizontal in MICE hall

•RAL developing spectrometer solenoid lift beam

–Four lifting points are included on the magnets

–Load testing and certification is required

•Two module bellows spools received at RAL

–Bellows assemblies purchased from Hyspan–Spools connect spectrometer solenoid to AFC module

–Apparent tolerance error being discussed w/vendor



Progress Update (cont’d)

•Still need a helium-to-vacuum window design

–Window separates vacuum space from tracker volume in spectrometer solenoid bore

–Preliminary plan is to use AFC style window–Good opportunity to add mounting holes now

•Several instrumentation readouts purchased

–Thermocouple and helium level readouts for the spectrometer solenoid have been received by LBNL

–Similar readouts will be needed for RFCC module

–Most instrumentation only needed during initial tests



Shipping Logistics

•All modules to be forklifted on/off truck•All magnet coils are shipped warm

•RFCC cavities, couplers, coolers & pumps removed•Coupling coil integral with vacuum vessel

•RFCC axis vertical during shipping•Concerns about shipping loads on coupling coil•Special shipping skid has been developed

•Cavities, couplers packaged to prevent damage•RF, Be windows left in place w/appropriate protection•Vac vessel, cavities and couplers backfilled with N2



RFCC Shipping Configuration

Skid holds module in vertical orientation

Cavities removed

Cryocoolers removed

Couplers removed

Vacuum pumpsremoved



MICE Hall Access

•Forklift to be used for unloading and moving through hall door

•Door is tall and wide enough for spectrometer solenoids and RFCC modules

•No special equipment or hardware is required



RFCC Rotation and Support InstallTilting runners installed on shipping skid



RFCC Rotation and Support Install

Permanent support stand structure installed on RFCC vacuum vessel



RFCC Rotation and Support InstallModule is tilted into horizontal orientation using crane



RFCC Rotation and Support Install

Finished tilting onto permanent support stand



•Locate vacuum vessel/coupling coil on lateral tracks

•Erect portable clean room around module•Unpack cavities, couplers, coolers, pumps•Install six tuner assemblies on each cavity•Insert cavities in vacuum vessel using special fixture

•Install couplers and tuner actuators after cavity is aligned and supported by struts

•Install vacuum pumps to complete module•Perform final alignment before translation

Re-assembly of RFCC Module at RAL



Re-assembly of Module at RAL

Module ready for assembly




Cryocooler(s) installed




RF cavities installed from either end




Cavity tuner actuators added




Module vacuum pumps installed




RF couplers installed



Module Base Mounting

•RFCC module and Spectrometer Solenoid base connections to rails are similar

•Six mounting plates are welded to the base of the module support stands

•Location of the mounting plates will be included in an interface document (and later measured)

•Magnetic loads are carried to the floor through the vacuum vessel/support stand/base mounts



Translating Platform



Spectrometer Solenoid Mounting

Six mounting plates on the support stand base for installation on rails



RFCC Module Mounting

•Six mounting plates to be welded to the support stand base for installation on rails

•Similar to spectrometer solenoid mounting scheme



Insertion into MICE Beamline

•Locate module on lateral tracks

•Align and shim module to correct height

•Pull back bellows on both module ends with O-rings in place

•Translate module into position using rails

•Release bellows and connect flanges

•Lock out bellows using bridging bolts

•Connect utilities and instrumentation



B

MICE Bellows Joints

Bellows Joint

Bellows Joint

Bellows Joint

Bellows Joint

Bellows Joint

Bellows Joint



End Flanges and Seals

•RFCC flanges mate with AFC module flanges

•AFC flanges have no O-ring grooves or bellows

•RFCC module flanges have bellows and O-ring grooves at both ends

•Bellows are spec’d for >1 cm of total travel

•Module relative alignment is driven by clearance in flange holes

•Bellows are locked out after installation to allow transmission of forces between modules



Bellows Joint Detail

MICE RF and Coupling Coil Module – Summary of the Design and Fabrication Plan

Elastomer or Helicoflex all-metal O-ring

Clamping bolts Bellows




Joint pullback for installation




Clamping of spectrometer solenoid joint




Clamping of AFC module joint




Fully clamped joints




Bridging bolts for force transmission



Module Utility Requirements•Cryomech Model PT-415 cryocoolers

•3 per spectrometer solenoid, 2 per coupling coil (12 total)•50 Hz AC: 10.5 kW @ 380/420 V, 3 phase•Cooling: minimum 3 gpm of water @ 80ºF max

•300 A Power Supplies – American Magnetics (5 ea total)

•50-60 Hz AC: 3.5 kW @ 208 V, 3, forced air cooled, rack mnt.

•60 A Power Supplies – Lake Shore Cryotronics (4 ea tot.)

•50-60 Hz AC: 0.3 kW @ 208 V, 3, forced air cooled, rack mnt.

•Vacuum: 10-3 torr @ startup thru 25 mm flanged ports

•Cavity cooling water: ~8 lpm/per cavity

•Getter pump regeneration power (100-210 VAC, 100 W)

•Pressurized N2: up to 200 psi for tuner actuators



Instrumentation

•Coupling coil and spectrometer solenoid•Coil voltage taps•Thermocouples•LHe level•Vacuum pressure

•RF cavities•RF pickup loop•N2 pressure control for tuners (1 per cavity)•Cooling water temperature/flow

•RFCC module vacuum•Getter pump power supply and controller•Pump thermocouple•Vacuum pressure

installation issues steve virostek lawrence berkeley national lab mice cm23 at icst, harbin january...

Documents

mice hall ral

china page

shipping skid slide

mice hall assembly work

mice hall access forklift

rfcc modules

wvendor slide

shipping concerns