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SCE EC Design & Manufacture

This document outlines the progress of the SCT EC design and manufacture efforts, detailing the support structure required for disc assembly conducted in 2004 and its integration in 2005. It includes insights on thermal enclosures, service requirements, fit checks, load testing results, and metrology aspects essential for assembly preparation. Additional specifications on flexible and rigid service components, cooling requirements, and final designs for thermal enclosures are also discussed. The emphasis is on meticulous testing and correlation with projected deflections for high-performance assembly.

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SCE EC Design & Manufacture

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  1. SCE EC Design & Manufacture Jason Tarrant (RAL) • Progress of SCT EC • Support Structure (Required for Disc Assembly 2004) • Services (Required for Disc Assembly 2004 / Integration 2005) • Thermal Enclosure (Required for Integration 2005) • PPF1 (Required for Integration 2005 / Some parts for Disc Assembly 2004) CCLRC

  2. SCE EC Design & Manufacture • SCT EC Discs CCLRC

  3. SCE EC Design & Manufacture • SCT EC Support Structure - Complete CCLRC

  4. SCE EC Design & Manufacture • Support Structure Fit Check CCLRC

  5. SCE EC Design & Manufacture • Support Structure Fit Check CCLRC

  6. SCE EC Design & Manufacture • Support Structure Fit Check CCLRC

  7. SCE EC Design & Manufacture Load 250kg -Predicted Deflections 223um-508um -Actual Deflections ~40% higher on average but within 2x safety factor = good correlation • Load Test CCLRC

  8. SCE EC Design & Manufacture • Metrology, Disc Fixing Inserts & Assembly prep. ^125 – 150um from end to end (500um max. tol.) CCLRC

  9. SCE EC Design & Manufacture • SCT EC Services – Being delivered / In manufacture CCLRC

  10. SCE EC Design & Manufacture • Services • Flexible (LMT, Optical fibre, DCS) • Lengths determined using spreadsheets, computer simulation & physical Mock-up + independent review • Rigid (Disc Cooling, LMT Cooling, N2 Purge) • Lengths determined in CAD, prototypes in process of manufacture (RAL / QMUoL) CCLRC

  11. SCE EC Design & Manufacture • SCT EC Thermal Enclosure – Final Design CCLRC

  12. SCE EC Design & Manufacture • Thermal Enclosure Parts • Inner Thermal Enclosure (ITE) • Same Design but no heaters • Outer Thermal Enclosure (OTE) • Single piece, different mounting (no mechanical force) & no cooling circuit • Rear Thermal Pad • Same design but no cooling circuit • Services Thermal Feed Through (STFT) • Same Design • ITE – Rear Support Cover • Same Design • N2 Purge • Same design • Heaters • Final designs being tested then ready for manufacture • LMT Cooling • New, using spare ways from disc cooling CCLRC

  13. SCE EC Design & Manufacture • Thermal Enclosure • Analysis / Audit • Peter Ford ATL-IS-EA-0006 • Manufacturing issues • Detail design after FDR (29/09/04) CCLRC

  14. SCE EC Design & Manufacture • PPF1 – Manufactured / Final design CCLRC

  15. SCE EC Design & Manufacture • LMT / Optical Fibre / LMT cooling Type 2 Cable clamp LMT cooling connectors Optical fibre compartments Back-plate for connection to Raphael’s Curved plate Rigid back-plate Sides to be covered with aluminised Kapton sheet Space for Type II wires Housing for PCB trays LMTs Connection to Cryostat cable tray CCLRC

  16. SCE EC Design & Manufacture • Cooling / DCS To PP2 DCS PCB Fixed here Gas connectors To SCT End-cap All connections over R1175 break line CCLRC

  17. SCE EC Design & Manufacture • Other PPF1 • Heater & Heater Sensors wires • Based on LMT PPF1 • N2 Purge • Large diameter pipes connected with silicone sleeves CCLRC

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