MQXFA coil dimensions P Ferracin Dan Cheng Heng

MQXFA coil dimensions P. Ferracin, Dan Cheng, Heng Pan, Katherine Ray on behalf of the MQXF collaboration logo area AUP-CERN Coil WG Meeting February 25, 2020 LBNL, Berkeley, CA, USA

Outline • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Data taking and processing • Results • Arc length excess • Radial deviation • Proposal for “disposition” values • Next steps Paolo Ferracin 2

MQXFAP 1 Paolo Ferracin 3

MQXFAP 1 b Paolo Ferracin 4

MQXFAP 2 Paolo Ferracin 5

MQXF 03 (first) Paolo Ferracin 6

MQXF 03 (second) Paolo Ferracin 7

MQXA 04 Paolo Ferracin 8

MQXF 05 Paolo Ferracin 9

MQXFAP 1 Paolo Ferracin 10

MQXFAP 1 b Paolo Ferracin 11

MQXFAP 2 Paolo Ferracin 12

MQXF 03 (first) Paolo Ferracin 13

MQXF 03 (second) Paolo Ferracin 14

MQXA 04 Paolo Ferracin 15

MQXF 05 Paolo Ferracin 16

Outline • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Data taking and processing • Results • Arc length excess • Radial deviation • Proposal for “disposition” values • Next steps Paolo Ferracin 17

CMM 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 18

Coil 109 at 1940 mm from LE • Black line: nominal coil (OD and mid-planes) • Red profile: ± 0. 050 mm • Results (visual estimate from profile) • Midplane: -0. 064 mm per mid-plane (octant) • Arc length: -0. 126 mm (quadrant, or L+R) • Radius: -0. 013 mm Paolo Ferracin 19

Coil 111 at 1940 mm from LE • Black line: nominal coil (OD and mid-planes) • Red profile: ± 0. 050 mm • Results (visual estimate from profile) • Midplane: -0. 064 mm per mid-plane (octant) • Arc length: -0. 126 mm (quadrant, or L+R) • Radius: -0. 038 mm Paolo Ferracin 20

MQXFAP 1 a-b • In total: 13 measuring points • Straight section: 10 measuring points Paolo Ferracin 21

MQXFAP 2 • In total: 14 measuring points • Straight section: 11 measuring points Paolo Ferracin 22

MQXFA 03 • In total: 14 measuring points • Straight section: 11 measuring points Paolo Ferracin 23

MQXFA 04 • In total: 15 measuring points • Straight section: 12 measuring points Paolo Ferracin 24

MQXFA 05 • In total: 15 measuring points • Straight section: 12 measuring points Paolo Ferracin 25

Outline • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Data taking and processing • Results • Arc length excess • Radial deviation • Proposal for “disposition” values • Next steps Paolo Ferracin 26

Results • Arc length excess, full length, along z Paolo Ferracin 27

Results • Arc length excess, full length, per coil Paolo Ferracin 28

Results • Arc length excess, straight section, along z Paolo Ferracin 29

Results • Arc length excess, straight section, per coil Paolo Ferracin 30

Outline • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Data taking and processing • Results • Arc length excess • Radial deviation • Proposal for “disposition” values • Next steps Paolo Ferracin 31

Results • Radial deviation, full length, along z Paolo Ferracin 32

Results • Radial deviation, full length, per coil Paolo Ferracin 33

Results • Radial deviation, straight section, along z Paolo Ferracin 34

Results • Radial deviation, straight section, per coil Paolo Ferracin 35

Outline • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Data taking and processing • Results • Arc length excess • Radial deviation • Proposal for “disposition” values • Next steps Paolo Ferracin 36

Proposal for “disposition” values • Arc length excess • Full length: +0. 200/-0. 500 mm • Str. Sect: +0. 150/-0. 250 mm Paolo Ferracin 37

Proposal for “disposition” values • Radial deviation • Full length: +0. 150/-0. 150 mm • Str. Sect: +0. 100/-0. 125 mm Paolo Ferracin 38

Proposal for “quality control” • Arc length excess, full length, per coil • Sigma, max, min Paolo Ferracin 39

Proposal for “quality control” • Arc length excess, straight section, per coil • Sigma, max, min Paolo Ferracin 40

Proposal for “quality control” • Radial deviation, full length, per coil • Sigma, max, min Paolo Ferracin 41

Proposal for “quality control” • Radial deviation, straight section, per coil • Sigma, max, min Paolo Ferracin 42

Outline • Coil packs, coils, and shims • From MQXFAP 1 to MQXFA 05 • Data taking and processing • Results • Arc length excess • Radial deviation • Proposal for “disposition” values • Next steps Paolo Ferracin 43

Next steps • Plot with CMM vs Leica measurements • (see K. Ray presentation) • Plot “Spatial Analyzer” vs. visual postprocessing • Plot of pole key slot position and definition of “disposition” values Paolo Ferracin 44

Appendix Paolo Ferracin 45

Paolo Ferracin 46