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Large EE Mechanics update

Large EE Mechanics update. Large EE Mechanics update. Large EE Mechanics update. Production news and acceptance tests at TM, 29.4.2004 Backplates 2 backplates completed. Survey on 1st. Flatness 0.4mm across 3.4m. Within request of 0.5mm.

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Large EE Mechanics update

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  1. Large EE Mechanics update D Cockerill (RAL)

  2. Large EE Mechanics update D Cockerill (RAL)

  3. Large EE Mechanics update Production news and acceptance tests at TM, 29.4.2004 Backplates 2 backplates completed. Survey on 1st. Flatness 0.4mm across 3.4m. Within request of 0.5mm. Laser survey of 300 holes including all dowel holes for positional spacers. Holes to within 50m to neighbour, within specification. Absolute placement of holes to within 0.5mm across 3.4m Ring flanges 2 completed. Load tested to 12.75t versus 8t expected in CMS. Deflection of 0.4mm at 12.75t, in agreement with FEA. Holes to within 250-500 m. Within request. D Cockerill (RAL)

  4. Large EE Mechanics update Production news and acceptance tests at TM, 29.4.2004 (cont’d) Positional spacers All standard positional spacers completed for one Endcap. All surveyed/CMM reported - all passed. All dimensions to within 10-20m, all within request of 50 m. Partial SCs In production. Next steps Degrease/clean BP+RF+cooling circuit. Fit together. To be displayed to Justin/John at next visit to TM, before shipment. D Cockerill (RAL)

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