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LHCb Pedestal Assembly Peter Cooke. Peter Cooke 28 Feb - 1 March 2006 - VELO PRR2 LHCb Pedestal Assembly Feet to Base Assembly Paddle Preparation Assembly.

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Presentation on theme: "LHCb Pedestal Assembly Peter Cooke. Peter Cooke 28 Feb - 1 March 2006 - VELO PRR2 LHCb Pedestal Assembly Feet to Base Assembly Paddle Preparation Assembly."— Presentation transcript:

1 LHCb Pedestal Assembly Peter Cooke

2 Peter Cooke 28 Feb - 1 March VELO PRR2 LHCb Pedestal Assembly Feet to Base Assembly Paddle Preparation Assembly Machining Inspection Summary

3 Peter Cooke 28 Feb - 1 March VELO PRR3 LHCb Pedestal Assembly

4 Peter Cooke 28 Feb - 1 March VELO PRR4 Feet to Base Assembly Accurately machined fixture Locate Invar feet to dowel and slot Bond in the carbon fibre base (Araldite 2011) When set, machine paddle inner profile to form location spigot 5mm deep

5 Peter Cooke 28 Feb - 1 March VELO PRR5 Feet to Base Assembly Left clamp foot – located with precision dowel Right clamp foot – spigot / – mm located in precision machined slot / mm

6 Peter Cooke 28 Feb - 1 March VELO PRR6 Paddle Preparation Dress open end of paddle to fit drilling jig – spigot and length Drill holes Bond in M2.5mm inserts

7 Peter Cooke 28 Feb - 1 March VELO PRR7

8 8 Precision Assembly Fixture

9 Peter Cooke 28 Feb - 1 March VELO PRR9 Assembly Apply thin layer of Araldite 2011 to the machined spigot on base Fasten onto fixture Apply layer of adhesive to inside of paddle Offer paddle to base Hold in position with M2.5mm screws

10 Peter Cooke 28 Feb - 1 March VELO PRR10

11 Peter Cooke 28 Feb - 1 March VELO PRR11

12 Peter Cooke 28 Feb - 1 March VELO PRR12 Machining Hold in fixture Grind substrate mounting face to set distance from centreline

13 Peter Cooke 28 Feb - 1 March VELO PRR13 Inspection Visual inspection for defects Inspect substrate mounting face on CMM for flatness and position to centreline Re-inspect following grinding of mounting face Enter information in database

14 Peter Cooke 28 Feb - 1 March VELO PRR14

15 Peter Cooke 28 Feb - 1 March VELO PRR15 Summary Demonstrated techniques and accuracy by building five mechnicals Z dimension consistency Can produce one assembly per day (due to curing time)


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