Cryo-Assembly Status Report: Upgrades and Progress Update
The report provides a comprehensive update on the ongoing activities related to cryo-assembly horizontal testing, cryo-mechanical upgrades including adapter box fabrication, Lambda plug prototype testing, and other upgrades such as QPM design modifications. Key highlights include the progress in vacuum vessel fabrication, successful potting of 3D printed units, discussions on major milestones, and upcoming project activities. Additionally, the report mentions procurement activities, system developments, and plans for future tests and upgrades.
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302.4.04 Cryo-assemblies Horizontal Test Weekly status report Guram Chlachidze September 16th, 2019
Cryo-mechanical upgrades Adapter Box fabrication/assembly in progress Fabrication of internal piping & subassemblies Vacuum vessel half-shell fabrication started on Sep. 12th, order was placed in July FB-AB cold-bore was assembled and tested Several fixed-price contracts in preparation for different installation jobs at TS4 FB relief line, FB and cryo-assembly relief devices High-pressure GHe supply line could be done by IB1 technicians Piping materials to be purchased New transfer line supports will be installed at TS4 2
Cryo-mechanical upgrades (2) Lambda plug prototype test Test potting of 3D printed unit was successful 3D printed lambda-plug successfully was Hi-potted up to 5 kV in air Ultem 1000 Lambda plug with the new design in procurement Old design Ultem 1000 Lambda plug machined (VMS) and potted We can have a 3D printed Ultem 1020 Lambda-plug Zero-magnet test in March 2020 Major milestones of TS4 cryo-mechanical upgrades and QPM system development were discussed Test plan was drafted few weeks ago, now we will describe it in more details Off-project activities are on-track to meet zero-magnet test milestone PLC upgrade by Jan-Feb. 2020 Pumping line, etc. before the end of December 2019 3
Other upgrades QPM:AQD design modification for current-dependent threshold is complete First article integration tests should be complete by the end of September Good for the zero-magnet test Production unit will include new AQD with the current-dependent Components of the current limiting resistor boards in procurement (Off-project) Proposal for the CERN HFU modifications under review at CERN We may have to by-pass HFUs during the zero-magnet test CAEN power supply received for TS4 RC magnetic measurement system 4
