Fiducialization in statistical loop instead of to itp20
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Fiducialization in « statistical loop » instead of to ITP20 PowerPoint PPT Presentation


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Fiducialization in « statistical loop » instead of to ITP20. It consists in : apply an offset (coming from statistics) to the dipole central support carry out the fiducialization : if V1-V2 extremities are outside tolerance (0.87 mm)  adjust to ITP20

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Fiducialization in « statistical loop » instead of to ITP20

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Fiducialization in statistical loop instead of to itp20

Fiducialization in « statistical loop » instead of to ITP20

  • It consists in :

  • apply an offset (coming from statistics) to the dipole central support

  • carry out the fiducialization : if V1-V2 extremities are outside tolerance (0.87 mm)  adjust to ITP20

  • Results (42 dipoles treated from week 5, 2 benches, 1.5 teams) :

  • achieved 12 dipoles/week, one of them corrected to ITP20, one of them adjusted to ITP20

  • out of 42 dipoles only 2 (5%) needed correction to ITP20 due to V1-V2 extremities out of tolerance

  • What we will try to do (with 3 benches, 2 teams)

  • 15 dipoles/week, 11 from cold tests, 3.5 adjusted to ITP20, 0.5 corrected to ITP20

  • Impact on LHC activities

  • no more dipoles stored without fiducialization

  • all dipoles will go in the tunnel with full fiducialization

  • backlog of about 120 dipoles to adjust to ITP20 will be treated by end of 2005


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