T2.4 Performance Test Running in R78. Timeline T2.4 installed in R76 09-11-2010 First inspection on 16-11-2010 after 200k pulses Little or no wear/dust.

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Presentation transcript:

T2.4 Performance Test Running in R78

Timeline T2.4 installed in R First inspection on after 200k pulses Little or no wear/dust seen Target restarted and run for another 400k 2 nd inspection Total pulses at inspection 615k

1 st inspection – Top Bearing

1 st inspection – Top Shaft

1 st inspection bottom of shaft No material visible in this region Dust Catcher

T2.4 2 nd Inspection – Top Bearing

Top Bearing close up Small amount of Material on side of flat

Top Shaft wear surface Smudge of material on wear area of shaft

Bottom Shaft Dust Catcher No material visible in this region

Odd deposit on top of Stator?

Run 2 Minimum Position Some changes seen Min BCD has drifted upwards over time. Pulse to pulse Variability approx. 0.8mm still well within what is acceptable for MICE Thanks to Ed for new DAQ plots

Run 2 Acceleration Acceleration is flat. Variability acceptable. Note that we think we understand difference between old and new DAQ acceleration values.

Comments No significant wear/dust after 600k pulses No new wear seen on 2 nd inspection Was wear seen on 16 th “bedding in” ? Next inspection on Should be over 1 million pulses on clock