CM and Cryo Meeting

Cold Mass Welding Station Tooling A. Vouris Cryo Assy Meeting March 04, 2019 Cold Mass Tooling Intro 1. Work Station Summary The alignment of the two (2) magnets as well as the installation of a beam tube, two (2) heat exchangers, a through bus, instrumentation and the fit up/tack welding of the two (2) stainless steel half shells will be completed on Workstation #1 which will be equipped with a different set of tooling. The magnet will then be transferred to Workstation #2 for longitudinal seam welding. Workstation #2 Tooling will have provisions to support the full cold mass preventing critical deformation and mount two (2) GMAW torches with accompanying cold wire feeders for welding both longitudinal seams simultaneously. Once the longitudinal welding is completed at Workstation #2, the cold mass with stainless steel shell can be transported back to Workstation #1 for final end cover and support pad assembly and welding before it is pressure tested, inspected and staged for cryostat assembly work. 2. Specifications & Codes: FESHM 5100, AISC Structural Code, AWS D1.1 specification for structural welding, ASTM specifications for Steel & ADMI for Aluminum 3. Table of deliverables

Component Station Frame Saddle Supports Weld Table BUG-O # of Components 5 14 BUG-O Track 2 A. Vouris | CM and Cryo Meeting 2 2 2 Status Procured (Fabricated In-House) Presently being procured Re-purposed Component

Procured shared cost w/ multiple projects Procured in house from previous projects 02/07/2020 Cold Mass Tooling 4. Weld Station Equipment Weld Station FRS (ED0008999) & Engineering Note (ED0008919) Tooling: 3 saddle component(s) ordered 15-Feb.-2019 Req #293819, Hi-Tech Mfg. PO #654127 ($14,930.00) Promised: 29-March-2019

Tables repurposed from previous LHC work Frames fabricated complete In-House and used for Empty Shell Test A. Vouris | CM and Cryo Meeting 02/07/2020 Cold Mass Tooling 5. QC Welding equipment, tables & frames previously used and verified during Empty Shell Welding Test. Saddle components shall be received and 100% inspection by IB-4 inspection dept. per print for acceptance: 4 Dwg. F10095420 Qty. 12 ea. Dwg. F10108277 Qty. 2 ea.

Parts received by 29-March-19 can be inspected and ready for install when needed in ICBA mid-late April A. Vouris | CM and Cryo Meeting 02/07/2020 Cold Mass Tooling 6. Installation (Beneficial Occupancy of ICBA beginning of April): 5 Weld tables can be set, leveled and anchored Frames to be installed, aligned, leveled then verified by metrology and locked. Rails for welding power supplies can be fit and welded Receive and install Saddles per print. Align & Metrology to verify. Complete by 1-May-19 for ORC (Engineering Note & FRS Approved w/ PRR) HAZ & workflow (traveler) presently in draft state will be released for ORC approval A. Vouris | CM and Cryo Meeting

02/07/2020 Cold Mass Tooling 7. Commissioning: After all equipment installation is complete and ORC approval received, the prototype cold mass assembly will be used to commission all equipment. 8. Analysis Simulation Setup: Weld table broken up into 5 weld stations Calculated distribution applied to saddle support Fixed supports used at leveling feet Simulations verified with manual calculations A 6 A. Vouris | CM and Cryo Meeting

02/07/2020 B Cold Mass Tooling 8. Analysis Simulation Setup (Cont.): 7 Peak stresses in simulations below allowable Calculated stresses at locations also below allowable Maximum deformation is about 0.12 mm Relative deformation is about 0.08 mm Analysis shows structure should survive loading and minimize A. Vouris | CM and Cryo Meeting 02/07/2020

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