spectrometer solenoid report and coupling coil update
DESCRIPTION
Spectrometer Solenoid Report and Coupling Coil Update. Michael S. Zisman M ICE O perations M anager C enter for B eam P hysics Lawrence Berkeley National Laboratory MICO Meeting March 16, 2009. Status (1). Making slow but steady progress on first Spectrometer Solenoid (“Magnet 2”) - PowerPoint PPT PresentationTRANSCRIPT
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Spectrometer Solenoid Reportand
Coupling Coil Update
Michael S. ZismanMICE Operations ManagerCenter for Beam Physics
Lawrence Berkeley National Laboratory
MICO MeetingMarch 16, 2009
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March 16, 2009 Solenoid Report-Zisman 2
Status (1)•Making slow but steady progress on first Spectrometer Solenoid (“Magnet 2”)— fabrication work on turret completed
o welding radiation shield and LN2 reservoir connections doneo wrapping in MLIo welding outer vacuum covers
— already doneo cold mass leak checkedo condenser sleeves and magnet leads completed
— to doo complete instrumentation feedthroughso complete fill/vent connectionso add weld preps to end plates (under way; weld rings already in place in vacuum vessel)
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March 16, 2009 Solenoid Report-Zisman 3
Status (2)
•Expect final assembly of radiation shield and vacuum vessel completed this week— leak check next week (week of March 23)— first cool-down expected week of March 30
o keep your fingers crossed!
•Other news— tried tracker go-no-go gauge in Magnet 1 (the earlier one)
o bore was out of magnet but still welded to patch panel and plate– fit fine! (see photo later)
— test will be repeated in Magnet 2 this week after warm bore installed
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Magnet turret inner components wrapped in MLI
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Magnet power leads at top of turret
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Weld ring in place for vacuum vessel end plate (patch panel end)
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Welding of radiation shield and LN2 reservoir connections
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Tracker ‘go-no go’ gage in warm bore of Magnet #1
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March 16, 2009 Solenoid Report-Zisman 9
Coupling Coil Update
•Visited likely vendor for magnet fabrication— Qihuan Mechanical and Electronic Engineering Corporation (QMEEC)
o located in Beijing— Derun Li, Steve Virostek, MZ, Li Wang and ShiXian Zheng were
there
•Company statistics— 29 employees; 2200 m2 floor space— 20 years experience with superconducting magnets
o MRI magnetso BEPC-II detector magnet (3 m diameter, 4 m long)o completing MRI magnet of their own design now (see photos)
•Impressions— quite favorable; they are interested and knowledgeable
o but, we still want Li Wang to manage the work!
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Coil winding form parts at QMEEC ready for welding
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High bay at QMEEC showing magnet assembly area
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Coil array for 1.5T MRI magnet nearing completion at QMEEC
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Iron vacuum vessel for 1.5T MRI
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Coil winding facility at QMEEC
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Aluminum weld samples for coupling coil cooling lines and cold mass cover plates
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March 16, 2009 Solenoid Report-Zisman 16
Test Coil at ICST
•Close to being able to test the “long coil” in Harbin