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ECAL FB Meeting, 29.4.2004D Cockerill (RAL)1 Large EE Mechanics update.

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Presentation on theme: "ECAL FB Meeting, 29.4.2004D Cockerill (RAL)1 Large EE Mechanics update."— Presentation transcript:

1 ECAL FB Meeting, D Cockerill (RAL)1 Large EE Mechanics update

2 ECAL FB Meeting, D Cockerill (RAL)2 Large EE Mechanics update

3 ECAL FB Meeting, D Cockerill (RAL)3 Large EE Mechanics update Production news and acceptance tests at TM, 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  m. Within request.

4 ECAL FB Meeting, D Cockerill (RAL)4 Large EE Mechanics update Production news and acceptance tests at TM, (cont’d) Positional spacers All standard positional spacers completed for one Endcap. All surveyed/CMM reported - all passed. All dimensions to within  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.


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