Sextupole Magnet Checks

 

 21S-24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Date:

 

Magnet:

 

 

 

Operator(s):

 

 

 

 

 10/26/2001

 

 21S-24

 

 

 

 Michael Rogers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

 

 

 

 

 

 

 

 

 

 

      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Magnetic Fiducial Coordinates: (inches)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fiducial

Z

X

Y

 

 

 

 

 

 

 

TB1

-3.5430

 4.2138

 15.5108

 

 

 

 

 

 

 

TB2

 3.5475

 4.1950

 15.5091

 

 

 

 

 

 

 

TB3

-3.6222

-10.4962

 12.5444

 

 

Offset:

 

 

 

 

TB4

 2.3371

-10.5062

 12.5345

 

 

0.0000

 inches

 

 

 

TB5

-3.7794

-15.0615

 0.0517

 

 

 

 

 

 

 

TB6

 3.7709

-15.0623

 0.0405

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Description:

 

 

 

 

 

 

 

 

 

Fiducial values based on the measured mechanical center line.

 

 

 

 

 

 

 

 

 

 

 

 


Sextupole Mechanical Centerline Checks:

 

Mandrel Check (4 Positions):

X (in)

Y (in)

Position 1

 0.0001

 0.0002

Position 2

 0.0013

 0.0023

Position 3

 0.0013

 0.0025

Position 4

 0.0031

-0.0006

Position 5

 0.0049

 0.0027

Position 6

-0.0004

 0.0021

Mandrel Check (Position 1):

X (in)

Y (in)

Position 1 (1st check)

 0.0030

-0.0005

Position 1 (2nd check)

 0.0022

 0.0003

Position 1 (3rd check)

 0.0025

 0.0005

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: 1.070

Loc 1: 1.068

Loc 2: 1.072

Loc 2: 1.072

Loc 3: 1.069

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-24

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: 10/26/2001    Ambient Temperature ______________ deg. C. 

Operator(s)  Michael Rogers

Comment 
     

Fiducial – Measured

Coordinates

z

x

y

(in)

(in)

(in)

TB1

-3.5430

4.2138

15.5108

TB2

3.5475

4.1950

15.5091

TB3

-3.6222

-10.4962

12.5444

TB4

2.3371

-10.5062

12.5345

TB5

-3.7794

-15.0615

0.0517

TB6

3.7709

-15.0623

0.0405

(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

 0.0013

 0.0021

Position 3

 0.0012

 0.0023

Position 4

 0.0031

-0.0008

Position 5

 0.0048

 0.0025

Position 6

-0.0005

 0.0019

Approval ________________________