SR NSLS prototype magnets
description
Transcript of SR NSLS prototype magnets
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SR NSLS prototype magnets
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Dipoles 90 mm aperture dipole
Pole Ends will be matched to achieve the magnetic field quality (1.5.10-4)
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Dipoles
Pole Ends will be matched to achieve the magnetic field quality (1.5.10-4) and equivalent magnetic field integrals (relative to 90 mm aperture dipoles)
35 mm aperture dipole
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Dipoles 90 mm aperture dipole
Number of magnets 8
Bending angle, deg 45
Bending radius, mm 1528
Gap, mm 50 ± 0.02
Field range, T up to 1.5
Good field area, mm2 60 x 36
Homogeneity dB/B 2.5x10-4
Stabolit 70
Stabolit 20
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Dipoles
597,00
20,00
125,00
90,00
95,15
104,23
421,95
20,00
200,00
294,00
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Dipoles 90 mm aperture dipole
Magnetic field in gap
-0.020%
-0.015%
-0.010%
-0.005%
0.000%
0.005%
0.010%
0.015%
0.020%
-0.03 -0.02 -0.01 0 0.01 0.02 0.03X, m
dB/B
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Dipoles
..\..\..\NSLS SR tender\out documents\dipole\main info\Attachment 3 (Dipoles_technological equipments).doc
Magnetic measurement
The carriage with the Hall sensors (1 – the temperature sensor, 2 – the
Hall sensors, 3 –the NMR probe)
The carriage with Hall sensors in the guide mounted in the magnet aperture
Parameters B/B I /IGeometry-dependent errors (orientation of the sensors in the carriage plane, alignment of the guide relative to the magnet, errors caused by the carriage transportation mechanism)
1.5.10-5 1.7.10-5
Time instability of *: The feed current of the magnets The feed current of the Hall sensors
2.10-5
10-5
1.8.10-6
0.9.10-6
Temperature instability 2.4.10-5
Accuracy of calibration of the Hall sensors 4.5.10-5
Noise of the electronics 4.4.10-5 4.0.10-6
Resultant errors of the measurements 7.2.10-5 6.2.10-5
The accuracy of the magnetic measurements.
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DipolesStamping tool End glue pack
Views of CMM Contura
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Dipoles
The stacking fixture during assembly.
The stacking fixture with yoke
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Dipoles
Yoke with reference surface plate inside the stacking fixture
Yoke with face plates inside the stacking fixture.
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Dipoles
Yoke face
Yoke back
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DipolesYoke bottom
Dipole aperture views
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Common
Water and electrical connections and terminals- Water tubes from plastic radiation resistance plastic / metallic tubes-
Radiation resistance of materials used for magnets-Tubes & manifolds- Coils (SLAC technology with Alumina insertion)- insulators (supports, electrics,
Documentation