MQXFA coil dimensions P Ferracin Dan Cheng Heng
































































- Slides: 64
MQXFA coil dimensions P. Ferracin, Dan Cheng, Heng Pan, Katherine Ray on behalf of the MQXF collaboration logo area AUP-CERN video-meeting coil WG April 1 st, 2020 LBNL, Berkeley, CA, USA
Outline • Data taking and processing • Results (straight section) • Arc length excess • Radial deviations • Key slot deviations • Proposal for “disposition” values • Appendix • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Measuring locations • Results (full length) • Arc length excess • Radial deviations • Next steps Paolo Ferracin 2
Outline • Data taking and processing • Results (straight section) • Arc length excess • Radial deviations • Key slot deviations • Proposal for “disposition” values • Appendix • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Measuring locations • Results (full length) • Arc length excess • Radial deviations • Next steps Paolo Ferracin 3
Data taking and processing • All data • Zeiss Accura CMM • Data pre-processed with Calypso • Each cross section treated separately • The OD and the midplanes are best fit to the model with equal weighting • The midplane offset from the model is symmetrical Paolo Ferracin 4
Coil 109 at 1940 mm from LE • Black line: nominal coil (OD and mid-planes) • Red profile: ± 0. 050 mm • Results (visual post-processing) • Estimate of the mid-plane average offsets • Estimate of the average deviations wrt nominal radius Paolo Ferracin 5
Data taking and processing • More recently (coil 116 and 207) • Leica System • AT 960 with T-Probe • Data processed using • Spatial Analyzer • Computation of average midplane offset and best fit radius Paolo Ferracin 6
Outline • Data taking and processing • Results (straight section) • Arc length excess • Radial deviations • Key slot deviations • Proposal for “disposition” values • Appendix • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Measuring locations • Results (full length) • Arc length excess • Radial deviations • Next steps Paolo Ferracin 7
Results • Arc length excess, straight section, along z Visual post-processing Paolo Ferracin 8
Results • Arc length excess, straight section, per coil Visual post-processing Paolo Ferracin 9
Outline • Data taking and processing • Results (straight section) • Arc length excess • Radial deviations • Key slot deviations • Proposal for “disposition” values • Appendix • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Measuring locations • Results (full length) • Arc length excess • Radial deviations • Next steps Paolo Ferracin 10
Results • Radial deviation, straight section, along z Visual post-processing Paolo Ferracin 11
Results • Radial deviation, straight section, per coil Visual post-processing Paolo Ferracin 12
Comparison • Plots of • CMM vs. Leica measurements with “Spatial Analyzer” • And vs. CMM with visual postprocessing • Important reminder: • Spatial analyzer compute the best fit radius. • The visual post-processing estimate the average deviation Paolo Ferracin 13
“Spatial Analyzer” vs. visual post-processing and Leica vs CMM • Radial deviation, straight section, coil 116 -207 Paolo Ferracin 14
“Dent” vs. smaller radius • From Eelis…. definition of “dent” r 2 r 1 dx Paolo Ferracin 15
Outline • Data taking and processing • Results (straight section) • Arc length excess • Radial deviations • Key slot deviations • Proposal for “disposition” values • Appendix • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Measuring locations • Results (full length) • Arc length excess • Radial deviations • Next steps Paolo Ferracin 16
Results • Key slot deviations • Raw data Paolo Ferracin 17
Key slot deviations Paolo Ferracin 18
Outline • Data taking and processing • Results (straight section) • Arc length excess • Radial deviations • Key slot deviations • Proposal for “disposition” values • Appendix • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Measuring locations • Results (full length) • Arc length excess • Radial deviations • Next steps Paolo Ferracin 19
Proposal for “disposition” values • Arc length excess • Str. Sect: +0. 150/-0. 250 mm Paolo Ferracin 20
Proposal for “disposition” values • Radial deviation • Str. Sect: +0. 000/-0. 400 mm Paolo Ferracin 21
Proposal for “disposition” values • Key slot deviation • +0. 250/-0. 250 mm • See H. Pan presentation Paolo Ferracin 22
Proposal for “quality control” ? • Arc length excess, straight section, per coil • Sigma, max, min Paolo Ferracin 23
“Spatial Analyzer” vs. visual post-processing and Leica vs CMM • Radial deviation, full length, coil 116 -207 Paolo Ferracin 24
“Spatial Analyzer” vs. visual post-processing and Leica vs CMM • Radial deviation, straight section, coil 116 -207 Paolo Ferracin 25
“Spatial Analyzer” vs. visual post-processing and Leica vs CMM • Radial deviation, full length, coil 116 -207 Paolo Ferracin 26
Outline • Data taking and processing • Results (straight section) • Arc length excess • Radial deviations • Key slot deviations • Proposal for “disposition” values • Appendix • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Measuring locations • Results (full length) • Arc length excess • Radial deviations • Next steps Paolo Ferracin 27
Appendix • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 Paolo Ferracin 28
MQXFAP 1 Paolo Ferracin 29
MQXFAP 1 b Paolo Ferracin 30
MQXFAP 2 Paolo Ferracin 31
MQXF 03 (first) Paolo Ferracin 32
MQXF 03 (second) Paolo Ferracin 33
MQXA 04 Paolo Ferracin 34
MQXF 05 Paolo Ferracin 35
MQXFAP 1 Paolo Ferracin 36
MQXFAP 1 b Paolo Ferracin 37
MQXFAP 2 Paolo Ferracin 38
MQXF 03 (first) Paolo Ferracin 39
MQXF 03 (second) Paolo Ferracin 40
MQXA 04 Paolo Ferracin 41
MQXF 05 Paolo Ferracin 42
Appendix • Measuring locations Paolo Ferracin 43
MQXFAP 1 a-b • In total: 13 measuring points • Straight section: 10 measuring points Paolo Ferracin 44
MQXFAP 2 • In total: 14 measuring points • Straight section: 11 measuring points Paolo Ferracin 45
MQXFA 03 • In total: 14 measuring points • Straight section: 11 measuring points Paolo Ferracin 46
MQXFA 04 • In total: 15 measuring points • Straight section: 12 measuring points Paolo Ferracin 47
MQXFA 05 • In total: 15 measuring points • Straight section: 12 measuring points Paolo Ferracin 48
Appendix • Results (full length) • Arc length excess • Radial deviations Paolo Ferracin 49
Results • Arc length excess, full length, along z Paolo Ferracin 50
Results • Arc length excess, full length, per coil Paolo Ferracin 51
Results • Radial deviation, full length, along z Paolo Ferracin 52
Results • Radial deviation, full length, per coil Paolo Ferracin 53
Proposal for “quality control” • Arc length excess, full length, per coil • Sigma, max, min Paolo Ferracin 54
Proposal for “quality control” • Radial deviation, full length, per coil • Sigma, max, min Paolo Ferracin 55
“Spatial Analyzer” vs. visual post-processing and Leica vs CMM • Arc length excess, full length, coil 207 Paolo Ferracin 56
“Spatial Analyzer” vs. visual post-processing and Leica vs CMM • Arc length excess, full length, coil 207 Paolo Ferracin 57
“Spatial Analyzer” vs. visual post-processing and Leica vs CMM • Arc length excess, straight section, coil 207 Paolo Ferracin 58
“Spatial Analyzer” vs. visual post-processing and Leica vs CMM • Arc length excess, straight section, coil 207 Paolo Ferracin 59
Proposal for “disposition” values • Arc length excess • Full length: +0. 200/-0. 500 mm Paolo Ferracin 60
Proposal for “disposition” values • Radial deviation • Full length: +0. 150/-0. 150 mm • Str. Sect: +0. 100/-0. 125 mm Paolo Ferracin 61
Proposal for “quality control” • Radial deviation, straight section, per coil • Sigma, max, min Paolo Ferracin 62
Next steps • “Spatial Analyzer” analysis of radius/mid-plane on A 03 and A 04 coils • Pole key slot position for A 03 and A 04 coils Paolo Ferracin 63
Paolo Ferracin 64