Sextupole Magnet Checks

 

 21S-20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Date:

 

Magnet:

 

 

 

Operator(s):

 

 

 

 

 1/23/2002

 

 21S-20

 

 

 

 Michael Rogers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

 

 

 

 

 

 

 

 

 

 

      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Magnetic Fiducial Coordinates: (inches)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fiducial

Z

X

Y

 

 

 

 

 

 

 

TB1

-3.7327

 4.2075

 15.5049

 

 

 

 

 

 

 

TB2

 3.7781

 4.2333

 15.5066

 

 

 

 

 

 

 

TB3

-3.6352

-10.5310

 12.5221

 

 

Offset:

 

 

 

 

TB4

 2.2846

-10.4897

 12.5454

 

 

0.0000

 inches

 

 

 

TB5

-3.7345

-15.0642

 0.0313

 

 

 

 

 

 

 

TB6

 3.7025

-15.0620

 0.0287

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Description:

 

 

 

 

 

 

 

 

 

Fiducial values based on the measured mechanical center line.

 

 

 

 

 

 

 

 

 

 

 

 


Sextupole Mechanical Centerline Checks:

 

Mandrel Check (4 Positions):

X (in)

Y (in)

Position 1

 0.0000

 0.0002

Position 2

-0.0011

-0.0024

Position 3

 0.0027

-0.0019

Position 4

 0.0025

-0.0014

Position 5

 0.0008

-0.0034

Position 6

 0.0030

-0.0039

Mandrel Check (Position 1):

X (in)

Y (in)

Position 1 (1st check)

 0.0020

 0.0005

Position 1 (2nd check)

 0.0021

 0.0005

Position 1 (3rd check)

 0.0019

 0.0008

Position 1 (4th check if necc)

NA

NA

Position 1 (5th check if necc)

NA

NA

 

 

 

 

 

 

Sextupole Gap Measurement Checks

 

 

Gap Measurements:

 

Upstream (in)

Downstream (in)

Loc 1: 1.071

Loc 1: 1.071

Loc 2: 1.071

Loc 2: 1.071

Loc 3: 1.070

Loc 3: 1.070

Approval ________________________


 

 

Sextupole Magnet Fiducialization Traveller

Approval must be obtained before removing the magnet from the test stand. 

Magnetic Measurements Approval by – Jack Tanabe or Tony King.

Magnet Serial Number 21S-20

IHEP Magnetic Measurements Operator: ____________   Date:_____________

Measured Magnetic Center Offset  Dx =__________ mm  Dy =___________ mm  

Measured at: Integrated Field:  ____________ T-m @ Current_____________ Amps

SLAC Magnetic Measurements Operator: ____________   Date:_____________

Measured Magnetic Center Offset  Dx =__________ mm  Dy =___________ mm  

Measured at: Integrated Field:  ____________ T-m @ Current_____________ Amps

Fiducialization:

Date: 1/23/2002    Ambient Temperature ______________ deg. C. 

Operator(s)  Michael Rogers

Comment 
     

Fiducial – Measured

Coordinates

z

x

y

(in)

(in)

(in)

TB1

-3.7327

4.2075

15.5049

TB2

3.7781

4.2333

15.5066

TB3

-3.6352

-10.5310

12.5221

TB4

2.2846

-10.4897

12.5454

TB5

-3.7345

-15.0642

0.0313

TB6

3.7025

-15.0620

0.0287

(For x, y corrected coordinates, use SLAC data if available.  If not, use IHEP data.)

Fiducial – Corrected

Coordinates

z

x

y

(in)

(in)

(in)

TB1

 

 

 

TB2

 

 

 

TB3

 

 

 

TB4

 

 

 

TB5

 

 

 

TB6

 

 

 

Check Measurements:

Flat Center

xmeasured

xnominal

ymeasured

ynominal

Upstream

 

0.0 in

 

12.8 in

Downstream

 

0.0 in

 

12.8 in

 

Position 1 (x,y)=(0,0)

x (in)

y (in)

Position 2

-0.0011

-0.0025

Position 3

 0.0027

-0.0021

Position 4

 0.0024

-0.0016

Position 5

 0.0008

-0.0035

Position 6

 0.0030

-0.0041

Approval ________________________