Sextupole Magnet Checks

 

 21S-30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Date:

 

Magnet:

 

 

 

Operator(s):

 

 

 

 

 10/25/2001

 

 21S-30

 

 

 

 Michael Rogers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

 

 

 

 

 

 

 

 

 

 

 Repeated Position 2 thru 6 with the one piece mandrel.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Magnetic Fiducial Coordinates: (inches)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fiducial

Z

X

Y

 

 

 

 

 

 

 

TB1

-3.7157

 4.2140

 15.5092

 

 

 

 

 

 

 

TB2

 3.6713

 4.2268

 15.5076

 

 

 

 

 

 

 

TB3

-3.6301

-10.4936

 12.5419

 

 

Offset:

 

 

 

 

TB4

 2.2878

-10.4949

 12.5435

 

 

0.0000

 inches

 

 

 

TB5

-3.7735

-15.0712

 0.0635

 

 

 

 

 

 

 

TB6

 3.7621

-15.0611

 0.0210

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 0.0007

Position 2

-0.0011

-0.0006

Position 3

 0.0015

 0.0000

Position 4

 0.0016

-0.0002

Position 5

 0.0026

 0.0005

Position 6

 0.0005

 0.0006

Mandrel Check (Position 1):

X (in)

Y (in)

Position 1 (1st check)

 0.0013

 0.0017

Position 1 (2nd check)

 0.0013

 0.0013

Position 1 (3rd check)

 0.0012

 0.0014

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: 1.068

Loc 1: 1.068

Loc 2: 1.072

Loc 2: 1.070

Loc 3: 1.070

Loc 3: 1.069

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-30

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: 10/25/2001    Ambient Temperature ______________ deg. C. 

Operator(s)  Michael Rogers

Comment 
Repeated Position 2 thru 6 with the one piece mandrel.

Fiducial – Measured

Coordinates

z

x

y

(in)

(in)

(in)

TB1

-3.7157

4.2140

15.5092

TB2

3.6713

4.2268

15.5076

TB3

-3.6301

-10.4936

12.5419

TB4

2.2878

-10.4949

12.5435

TB5

-3.7735

-15.0712

0.0635

TB6

3.7621

-15.0611

0.0210

(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

-0.0010

-0.0013

Position 3

 0.0016

-0.0007

Position 4

 0.0017

-0.0009

Position 5

 0.0026

-0.0001

Position 6

 0.0005

 0.0000

Approval ________________________