cavity string assembly procedure for s1-global

E. KAKO (KEK) 2009' Dec. 03 S1-G Webex meeting

Global Design Effort

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Cavity String AssemblyProcedure for S1-Global

Eiji Kako (KEK, Japan)

1. Preparation of cavity string assembly (12-21, January 2010)2. String assembly of four cavities (22-26, January 2010)3. Vacuum leak check & Ar slow-leak (27-31, January 2010)

Attention !! Draft Proposal



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Cavity Assembly Team for S1-Global

FNAL Tug Arkan (Leader) Brian Smith

DESY Axel Matheisen (Supervisor) Manuela Schmoekel ???

KEK Shuich Noguchi Eiji Kako



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List of clean room work (1)

1. Preparation for Cavity Assembly (1000 & 10) a. Checking of all tools & jigs for assemblyb. Cleaning of cavity support post & table (1000)c. Cleaning of outside of cavity package (1000)d. Setting a cavity on the support table (1000)e. Rough alignment of 4 cavities (1000)f. Cleaning of 3 bellows between 2 cavities (10)g. Cleaning of 1 gate-valve (10)h. Cleaning of 1 taper beam tube (10)i. Cleaning of 1 blind flange (10)j. Cleaning of bolts and nuts (10)k. Cleaning of Al sealing material (10) l. etc........



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2. Cavity String Assembly (class 10) a. Ar gas slow-leak into a cavity up to 1 atmb. Alignment of cavity rotationc. Introduction of Ar gas flow into #1 cavityd. Installation of a taper beam tube to #1

cavity e. Installation of a gate-valve to #1 cavityf. Connection of #1 - #2 cavities with a

bellowsg. Connection of #2 - #3 cavities with a

bellowsh. Connection of #3 - #4 cavities with a

bellowsi. Attachment of a blind flange to #4 cavityj. Move to class 1000 for pumping & leak

checkk. Ar gas slow-leak into 4 cavities up to 1 atm

List of clean room work (2)



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Clean Room at KEK-STF

Clean room at STF

To cryomoduleassembly area

Air Shower Entrance HPR

Pass-box

Pass-box

Water Shower

16.2 m

5.4

m

7 m

2.2

m

Class 1000

Class 10



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Infrastructure in STF clean room

Entrance of cavity (car washer, 8 MPa)

Exit of string cavities outside CR

Entrance for men & women

Air shower for men & women



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Infrastructure in clean room (c-1000)

Ultra-sonic bath, Ultra-pure water

He leak detector, Pumping system



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Infrastructure in clean room (class-10)

1st Gas line of dry air, Ar, He, N2

Top Gun and Particle counter

Vacuum parts on a table



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Slow-leak procedure for filling Ar gas Class 1000

Flow rate of Ar gas = 60 ~ 100 ml / minFilter = particles > 0.003 um, >99.999999%Release valve = 1/3 PSI



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Schedule of cavity assembly (1)

January 2010, (Preparation by KEK)11 Mon; National Holiday12 Tue; am/pm “”Check of tools and jigs for assembly”“13 Wed; am/pm Rinsing of 9 support posts by car washer Set-up of support posts in class-100014 Thu; am Rinsing of a cavity (outside) by car washer Installation of a cavity on support in c-1000 pm Rinsing of a cavity (outside) by car washer Installation of a cavity on support in c-1000 Rough alignment of 2 cavities in c-1000



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(Preparation by KEK)15 Fri; am Attach. of vacuum parts with #1 cavity in c-10 Ar slow-leak for 24 h (80 ml/min) in c-1000 pm Cleaning of 1 gate-valve (wiping & blower) Cleaning of 3 connection bellows (US & UPW) Cleaning of 1 taper beam tube (US & UPW) Cleaning of 1 blind flange (US & UPW) Cleaning of bolts and nuts (US & UPW)16 Sat; am Movement of #1 cavity from c-1000 to c-10 Attach. of vacuum parts with #2 cavity in c-10 Ar slow -leak for 24 h (80ml/min) in c-1000



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Schedule of cavity assembly (3) (Preparation by KEK) 18 Mon; am Movement of #2 cavity from c-1000 to c-10 Rinsing of a cavity (outside) by car washer Installation of a cavity on support in c-1000 pm Rinsing of a cavity (outside) by car washer Installation of a cavity on support in c-1000 Rough alignment of 2 cavities in c-100019 Tue; am Attach. of vacuum parts with #3 cavity in c-10 Ar slow-leak for 24 h (80 ml/min) in c-100020 Wed; am Movement of #3 cavity from c-1000 to c-10 Attach. of vacuum parts with #4 cavity in c-10 Ar slow -leak for 24 h (80ml/min) in c-1000



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(Preparation by KEK)21 Thu; am Movement of #4 cavity from c-1000 to c-10 Alignment of cavity rotation of 4 cavities in c-10

Check of STF clean room by FNAL & DESY colleagues pm Meeting of Cavity Assembly Team at KEK Tug, Brian, Manuela, ?(DESY), Shuichi, Eiji, Norihito Confirmation of assembly procedure, tools & jigs



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Schedule of cavity assembly (4) (Cavity string assembly by DESY & FNAL, KEK)22 Fri ~ 26 Tue (5 days) (not correct order of works, ?? need discussion) . Cleaning of parts and jig . Setup of Ar gas flow . Attachment of a taper beam tube (#1 cavity) . Attachment of a gate-valve (#1 cavity) . Attachment of a blind flange (#4 cavity) . Connection of #1 and #2 cavities with bellows . Connection of #3 and #4 cavities with bellows . Connection of #2 and #3 cavities with bellows . etc.



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(Leak check by DESY & FNAL, KEK)27 Wed ; . Movement of string cavities from c-10 to c-1000 . Vacuum pumping in c-1000 . Leak check in c-1000 . Start of Ar slow-leak

28 Thu – 29 Fri ; (Work by KEK) . Ar slow-leak for 4 ~ 2 days30 Sat – 31 Sun ; . Spare time (if something happen,)February 01 Mon ; . Movement of string cavities from c-1000 to outside



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Preparation status at KEK (1)

Ordered ; 4 jigs

2 jigs from FNALOrdered ;2 jigs for FNAL2 jigs for DESY

Ordered ; 4 jigsTo be attached with KEK support posts



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Ordered ;Rotational alignment fixture

Use present 8 support posts for 4 cav.Ordered ;+ 1 support post for a gate-valve

Ordered ;8 support table with rollers



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Ordered;. Taper beam tube between #1 cavity and a gate-valve . Bellows support jigs

Under design. .. etc.



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Thank you for your attentions ........

cavity string assembly procedure for s1-global

Documents

cavity installation

cavity package

cavity string assembly

ar slow leak

table s1g webex

2s1g webex

pm cleaning

clean room class