SR NSLS prototype magnets

Dipoles90 mm aperture dipole

Pole Ends will be matched to achieve the magnetic field quality (1.5.10-4)

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

Dipoles90 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

Dipoles

597,00

20,00

125,00

90,00

95,15

104,23

421,95

20,00

200,00

294,00

Dipoles90 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

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 /I

Geometry-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.

DipolesStamping tool End glue pack

Views of CMM Contura

Dipoles

The stacking fixture during assembly.

The stacking fixture with yoke

Dipoles

Yoke with reference surface plate inside the stacking fixture

Yoke with face plates inside the stacking fixture.

Dipoles

Yoke face

Yoke back

DipolesYoke bottom

Dipole aperture views

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