Fiducialization in « statistical loop » instead of to ITP20

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description

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 - PowerPoint PPT Presentation

Transcript of Fiducialization in « statistical loop » instead of to ITP20

Page 1: Fiducialization in « statistical loop » instead of to ITP20
Page 2: Fiducialization in « statistical loop » instead of to ITP20

Fiducialization in « statistical loop » instead of to ITP20It 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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Qty Dipoles to adjust to ITP20

103 1011 1030 1032 1038 1042 1048 1050 1055 1057 1058 1059 1063 1078 1104 1113 1117 1118 1120 1123 1128 1129 1132 1148 1149 1150 1157 1160 2005 2011 2022 2027 2033 2035 2036 2039 2046 2047 2059 2082 2086 2096 2112 2113 2116 3008 3013 3016 3019 3025 3029 3030 3036 3045 3047 3052 3056 3058 3059 3060 3063 3064 3070 3071 3074 3078 3082 3083 3087 3088 3090 3091 3092 3094 3102 3113 3117 3123 3128 3129 3145 3146 3148 3157 3159 3172 3174 3177 3181 3187 3189 3192 3194 3202 3205 3206 3209 3211 3218 3221 3229 3233 3236 3241