BINP experience in magnet production

Sample

Example of MLS Dipole modeling

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

Ee, MeV 100 600

B, Т 0.21 1.31

∆B/B ± 2.5.10-4 (60 x 36 mm2)

I, А 102.3 623

I.w, A.t 4297 26502

Example of MLS Dipole modeling

1200-50A (EBG, Germany)

B=1.3 TB=0.21 T

1.44 T

1.31 T

0.21 T

200 mm

хy

123

Accuracy of lamination profile

d-30 md+30 m

h=100 mw=300 m

+ 15 m-15 m

- 15 m+15 m

-6

-4

-2

0

2

4

6

8

10

-6 -4 -2 0 2 4 6

X . 10-2, м

dB

/B. 10

-4

norm

-15 +15

+15 - 15

1 В 7.10-52

1

3

32

Model «lam_model» «solid_model»

Lenght 1108 mm

Куп 0.97 1

z x

Leff, mm 1180 1196

Chamfer 13 mm х 45

3D modeling of magnetic fields

B0=1.305 T

yxупуп

yx

KK ,

,

1

;

Leff/Leff=1.3.10-2

Leff/Leff=8.10-3

1.3 Т “lam”

1.3 Т “solid”

-1

0

1

2

3

4

5

6

7

-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6X .10-2, м

dB

/B. 10

-4 3D_lam_model

3D_solid_model

2D_model

-2

0

2

4

6

8

10

-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6

X .10-2, м

dB/B

. 10-4

3D_lam_model

2D_model

-2,5

-2

-1,5

-1

-0,5

0

0,5

1

-3 -2 -1 0 1 2 3X .10-2, м

dB

int/B

int . 10

-3

lam_model (inj)

lam_model (nom)

solid_model (nom)

B=1.305 T

B=0.213 T

Model «lam» «solid»

К 0.97 0.97 1

I, A 102.3 623 623

B, T 0.211879 1.305458 1.304924

Leff, m 1.1970 1.1804 1.1957

h (1/m) 0.656134 0.665380 0.656832

k (1/m2) -0.0188 -0.0293 -0.0271

m (1/m3) -0.531 -0.809 -0.762

n (1/m4) -7.15 -9.95 -16.48

3D modeling of magnetic fields

1 – central yoke2 – glued end yoke3 – box of steel plates4 - geosigns5 – coil supports

MLS Dipole yoke design

Stabolit 20

Stabolit 70

1200-50A

MLS Dipole yoke manufacture

5330 kg

Mechanical parameters of yoke

Parameter TS <mes.>

Length , mm 11080.5 1108.27 ± 0.43

Distance, mm 10820.1 1081.93 ± 0.11

gap Tech Spec <mea.>

h1, mm 48.611 ± 0.02 48.600 ± 0.015

h2, mm 50.000 ± 0.02 50.000 ± 0.015

h3, mm 48.611 ± 0.02 48.610 ± 0.015

Yoke deflection, mm < 0.3

Non-parallelism A и B, mm < 0.5

Non-plateness С на 100 mm, mm < 0.03

Non-plateness D на 100 mm, mm < 0.03

Non-parallelism N and F, mm < 0.05

Coil production

Coils Main Correction (1%)

Iw, kA.t 52 0.52

I, А 631 5

wire 21 x 12/ 5 мм 1.5 мм

Rmain 20 mOhm

Rcor 2.9 ohm

P 6 atm

F 16 l/min

Geo-sign alignment

MLS Dipole

83 ноги

370 0.2 мм

Hall probe measurement

Current 100 mA

Magnetic sensivity ~ 124 V/mT

Ulim < 30 V

TC MC+ Ulim -14.52.7 ppm/°С

XH12=1300.002 mm∆X=100.015 mmY=0.04 mm Z=30.15 mm

1 – Hall probes2 – temperature sensor3 – NMR probe (10-6)

Hall probe measurement

Magnetic field map – 2 runs

-4

-3

-2

-1

0

1

2

3

4

-4 -3 -2 -1 0 1 2 3 4

X.10-2, м

dB/B

. 10-4

103,65 A

207 A

622 A

732 A

Magnetic measurement results of SD-1

current, А h (1/м) k (1/м2) m (1/м3)

103,65 0,65445 -0,0194 -0,696

207 0,65445 -0,0139 -0,655

622 0,65445 -0,0218 -0,739

732 0,65445 -0,0272 -1,003

I=103-622 A ∆Leff/Leff =6.5.10-3

B=1.3 TB=0.21 T

I=622.71A Leff =1192.0 mm

Magnetic measurement results

-0,0004

-0,0002

0

0,0002

0,0004

0,0006

0,0008

0,001

-6 -4 -2 0 2 4 6

X .10-2, м

dB/B

SRD 01SRD 02SRD 03SRD 04SRD 05SRD 06SRD 07SRD 08calc

-0,002

-0,0015

-0,001

-0,0005

0

0,0005

0,001

-4 -3 -2 -1 0 1 2 3 4

X.10-2, м

dI B

/IB

SRD 01

SRD 02

SRD 03

SRD 04

SRD 05

SRD 06

SRD 07

SRD 08

calc_lam

«lam» «solid» <mea.>

I, А 623 623 621.7 ± 0.5

Bc, T 1.305 1.305 1.301 ± 0.002

Leff, mm 1180.4 1195.7 1192.2 ± 0.7

h, 1/m 0.665 0.657 0.654

k, 1/m2 -0.0293 -0.0271 -0.024 ± 0.001

m, 1/m3 -0.809 -0.762 -0.723 ± 0.019

n, 1/m4 -9.95 -16.48 - 10.4 ± 1.4

∆Leff/Leff=6.10-4

B=1.3 T

B=1.3 T

SRD 01

Multipoles coilsQuadrupole

Multipoles coils

Sextupole

Octupole

Coil production

Radiation resistance quadrupole (SLAC impregnation procedure coils)

Pole profile and magnetic field (quadrupole)

№ideal shift rotation

shift +rotation

step

B’n/B’2, Т B’n/B’2, Т B’n/B’2, Т B’n/B’2, Т B’n/B’2, Т

2 1 1 1 1 1

3 0 0 0 0 0

4 0 0 5.4.10-4 5.5.10-4 4.6.10-4

5 0 0 0 0 0

6 1.1.10-4 1.6.10-4 1.1.10-4 1.6.10-4 -1.2.10-4

7 0 0 0 0 0

8 0 0 2.4.10-6 2.5.10-6 -1.5.10-6

9 0 0 0 0 0

10 -1.10-5 -2.10-5 -1.10-5 -2.10-5 5.7.10-5

11 0 0 0 0 0

12 0 0 6.10-7 5.6.10-7 -8.10-6

13 0 0 0 0 0

14 3.1.10-6 6.7.10-6 3.10-6 7.10-6 -2.10-5

18 -2.6.10-6 -4.10-6 -2.6.10-6 -4.10-6 9.10-6

B/B2 1.10-4 1.4.10-4 6.5.10-4 6.8.10-4 3.8.10-4

¼ profile½ length

Multipole modeling

1 – 1200-50А2 – Сталь 10

½ профиля½ длины

¼ профиля

1200-50А ¼ профиля½ длины

sextupole

octupole

TS <mea>

S1, mm

22.00 0.02

21.998 0.014

S2, mm 21.998 0.012

S3, mm 22.003 0.013

S4, mm 21.997 0.015

d1, mm70.00 0.02

70.03 0.015

d2, mm 70.02 0.015

— 15 m

— 25 m

Design of MLS quadrupole

TS <mea>

h, mm 4000.03 4000.01

g, mm 14-0.01 13.990.005

m, mm 0.03 0.010.01

L, mm 165.00.4 165.080.18

LФ, mm 154.400.08 154.460.02

TS <mea.>

S1, mm

22.00 0.03

21.975 0.002

S2, mm 21.987 0.008

S3, mm 21.990 0.001

S4, mm 21.978 0.007

S5, mm 21.9760.002

S6, mm 22.0060.010

d1, mm

76.00 0.03

75.975 0.02

d2, mm 75.973 0.013

d3, mm 75.986 0.015

Design of MLS sextupole

TS <mea>

h, mm 4000.03 400 0.02

g, mm 14-0.01 13.99 0.01

m, mm 0.05 0.015 0.01

L, mm 80.000.25

79.9670.2

Lch, mm 68.000.06

68.050.01

— 15 m

— 25 m

— 50 m

TS <mea>

h , mm 4000.03 399.985 0.01

g , mm 14-0.01 13.998 0.004

m, mm 0.05 0.009 0.003

L, mm 80.00.4 80.090.14

Octupole magnet

— 25 m

— 50 m

TS <mea>

S1, mm

16.99 0.03

17.000 0.006

S2, mm 16.961 0.002

S3, mm 17.003 0.007

S4, mm 16.963 0.005

S5, mm 17.012 0.002

S6, mm 16.966 0.00

S7, mm 17.002 0.00

S8, mm 16.971 0.006

d1, mm

86 0.03

85.996 0.006

d2, mm 86.016 0.0

d3, mm 85.994 0.009

d4, mm 86.016 0.0

Accuracy of lamination and yoke profile

№2D id 2D rotation 3D id meas

B’n/B’2B’n/B’2 B’n/B’2 A’n/B’2 B’n/B’2

2 1 1 1 -2.2.10-4 1

4 0 5.4.10-4 1.2.10-6 -3.7.10-5 -2.7.10-4

6 1.1.10-4 1.12.10-4 -2.9.10-4 -1.5.10-5 -1.1.10-4

∆B/B21.10-4 6.5.10-4 3.6.10-4 8.7.10-4

+15 m

-15 m

Profile measurements

«rotation»~12 m

2D model

«ideal» 10-4

«rotation» 30 m 6.5.10-4

«rotation» 12 m 2.5.10-4

∆Brot/∆Bideal ~ 2.5 3D model«ideal»3.6.10-4

3D «rotation» 12 m∆B/B2 ~ 2.5*3.6.10-4 ~ ~ 9.10-4

2D model