Sextupole Magnet Checks

 

 25S-74

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Date:

 

Magnet:

 

 

 

Operator(s):

 

 

 

 

 9/12/2001

 

 25S-74

 

 

 

 Michael Rogers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

 

 

 

 

 

 

 

 

 

 

      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Magnetic Fiducial Coordinates: (inches)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fiducial

Z

X

Y

 

 

 

 

 

 

 

TB1

-4.3122

 4.2185

 15.5078

 

 

 

 

 

 

 

TB2

 4.2667

 4.2016

 15.5112

 

 

 

 

 

 

 

TB3

-4.4222

-10.5043

 12.5323

 

 

Offset:

 

 

 

 

TB4

 3.4691

-10.5354

 12.5146

 

 

0.0000

 inches

 

 

 

TB5

-4.4976

-15.0604

 0.0796

 

 

 

 

 

 

 

TB6

 4.5391

-15.0626

 0.0576

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

-0.0002

 0.0005

Position 3

-0.0003

 0.0008

Position 4

 0.0028

-0.0047

Position 5

 0.0063

 0.0012

Position 6

-0.0010

 0.0013

Mandrel Check (Position 1):

X (in)

Y (in)

Position 1 (1st check)

 0.0038

-0.0013

Position 1 (2nd check)

 0.0032

 0.0006

Position 1 (3rd check)

 0.0028

-0.0001

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: 1.069

Loc 1: 1.068

Loc 2: 1.069

Loc 2: 1.068

Loc 3: 1.074

Loc 3: 1.072

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 25S-74

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: 9/12/2001    Ambient Temperature ______________ deg. C. 

Operator(s)  Michael Rogers

Comment 
     

Fiducial – Measured

Coordinates

z

x

y

(in)

(in)

(in)

TB1

-4.3122

4.2185

15.5078

TB2

4.2667

4.2016

15.5112

TB3

-4.4222

-10.5043

12.5323

TB4

3.4691

-10.5354

12.5146

TB5

-4.4976

-15.0604

0.0796

TB6

4.5391

-15.0626

0.0576

(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

-0.0001

 0.0003

Position 3

-0.0002

 0.0006

Position 4

 0.0029

-0.0049

Position 5

 0.0064

 0.0010

Position 6

-0.0010

 0.0011

Approval ________________________