21-01888 cavity vacuum chamber drawings v2.pdf

A

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Vacuum chamber

Robert Fasano

245.4

NOTES

· All units are mm

· [A] 2.75" CF flanges (tapped holes) angled at 5°

· [B] Qty. 8 1.33" CF flanges (tapped holes) on vertices

· [C] #1/4-20 holes on non-sealing surfaces (42 total); #1/4-28 holes used on sealing surfaces

· [D] Two removable sides with Viton seal; sealing geometry can be redesigned at the machinist's discretion

· All flanges are bimetal with stainless external faces

· See .step file for proposed sealing geometry and internal hole patterns

· +/-0.25 mm tolerances on all dimensions unless noted

A

B

.4

C

2.75" CF flange, tapped holes

2.75" CF tee, thru holes

A

D D

70±1

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Inner shield - base

Robert Fasano

15 40 35 40 15

12x 4-40 UNC 2B x 9.53/9.53 on sides

4-40 UNC 2B x 4/4 in center of panel7

11.25

37.5

122.5 11.25

.7

.5

.7

70 37.5

4x 8-32 UNC 2B x 60/60

NOTES

· All units are mm

· #8 polish (mirror-like finish) on entire panel

· +/-0.25 mm tolerances on all dimensions

4x #4 clearance, normal fit

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Inner shield - front/back

Robert Fasano

20 60 20

.7

20 60 20

2x 4-40 UNC 2B x 4/4

6x 4-40 UNC 2B x 9.53/9.53

NOTES

· All units are mm

· #8 polish (mirror-like finish) on entire panel

· [A] 0.535"-40 (SM05) thread angled at 5° to house viewports (added at NIST after manufacturing). Fabricate qty. 2 of this piece with opposite angles, such that opposite viewports are angled by 10°.

· +/-0.25 mm tolerances on all dimensions

.7

A

2.

.3

.3

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Inner shield - side panel

Robert Fasano

12x #4 clearance, normal fit

4-40 UNC 2B x 4/4

20 40 35 40 20

.7

NOTES

· All units are mm

· #8 polish (mirror-like finish) on entire panel

· Fabricate qty. 2 of this piece, but with vent hole [A] on only one piece

· +/-0.25 mm tolerances on all dimensions

Ø10

20 A Vent hole on one piece only

2.5

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Inner shield - top

Robert Fasano

8x 4-40 UNC 2B x 9.53/9.53 on sides

4-40 UNC 2B x 4/4 in center of panel 5

20 40 35 40 20

2.5

NOTES

· All units are mm

· #8 polish (mirror-like finish) on entire panel

· +/-0.25 mm tolerances on all dimensions

4x #4 clearance, normal fit

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Middle shield - base

Robert Fasano

12x 4-40 UNC 2B x 9.53/9.53

15 40 55 40 15

Ø7

4x #4-40 clearance, normal fit

4-40 UNC 2B x 4/4, centered on panel

NOTES

· All units are mm

· #8 polish (mirror-like finish) on entire panel

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Middle shield - front/back

Robert Fasano

NOTES

· All units are mm

· #8 polish (mirror-like finish) on entire panel

· [A] 0.535"-40 (SM05) thread angled at 5° to house viewports (added at NIST after manufacturing). Fabricate qty. 2 of this piece with opposite angles, such that opposite viewports are angled by 10°.

· +/-0.25 mm tolerances on all dimensions

6x 4-40 UNC 2B x 9.53/9.53

2x 4-40 UNC 2B x 4/4

2x #4 clearance, normal fit

20 80 20

.7 20 2030

A

2.

.3

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Middle shield - side panel

Robert Fasano

Ø10

4-40 UNC 2B x 4/4 in center of panel

12x #4 clearance, normal fit

.7

20 40 55 40 20 5

NOTES

· All units are mm

· #8 polish (mirror-like finish) on entire panel

· Fabricate qty. 2 of this piece, but with vent hole [A] on only one piece

· +/-0.25 mm tolerances on all dimensions

A Vent hole on one piece only

2.5

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Middle shield - top

Robert Fasano

8x 4-40 UNC 2B x 9.53/9.53

2x #4 clearance, normal fit

4-40 UNC 2B x 4/4

20 40 55 40 20

NOTES

· All units are mm

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Outer shield - base

Robert Fasano

25 40 55 40 25

12.5

57.5 70 57.5

12.5

12x 4-40 UNC 2B x 9.53/9.53

4x 4-40 UNC 2B x 5/5

4-40 UNC 2B x 4/4

4x #8 socket head counterbore, normal fit Aligned with tapped #8 holes on inside chamber bottom

NOTES

· All units are mm

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Outer shield - front/back

Robert Fasano

20 130 20

3.

20 20

6x 4-40 UNC 2B x 9.53/9.53

2x 4-40 UNC 2B x 4/4

NOTES

· All units are mm

· #8 polish (mirror-like finish) on entire panel

· ][A] 0.535"-40 (SM05) thread angled at 5° to house viewports (added at NIST after manufacturing). Fabricate qty. 2 of this piece with opposite angles, such that opposite viewports are angled by 10°.

· +/-0.25 mm tolerances on all dimensions

A

2x #4 clearance, normal fit

2.

.3

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Outer shield - side panel

Robert Fasano

12x #4-40 clearance, normal fit

20 40 75 40 20

3.

Ø10

4-40 UNC 2B x 4/4

2.5

2.

NOTES

· All units are mm

· #8 polish (mirror-like finish) on entire panel

· Fabricate qty. 2 of this piece, but with vent hole [A] on only one piece

A Vent hole on one piece only

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Outer shield - top

Robert Fasano

20 40 75 40 20

4-40 UNC 2B x 4/4

8x 4-40 UNC 2B x 9.53/9.53

4x #4 clearance, normal fit

2.5

NOTES

· All units are mm

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Chamber-shield spacer

Robert Fasano

#8 clearance, normal fit

.9

NOTES

· All units are mm

· Material: PEEK

· +/-0.25 mm tolerances on all dimensions

Ø19.05

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Shield-frame spacer

Robert Fasano

Ø12.7

7.

#8 clearance, normal fit

NOTES

· All units are mm

· Material: PEEK

· +/-0.25 mm tolerances on all dimensions

2 3 4 5 6 7 8

1 2 3 4 5 6 7 8

B

C

D

E

F

A

B

C

D

E

F

Dept. Technical reference Created by Approved by

Document type Document status

Title DWG No.

Rev. Date of issue Sheet

5/20/2021

1/1

Shield-shield spacer

Robert Fasano

NOTES

· All units are mm

· Material: PEEK

· +/-0.25 mm tolerances on all dimensions

Ø6.35

#8 clearance, normal fit