Vacuum Chamber Drawing Package_PR497734.pdf

PDF 875 KB Posted Sep 11, 2026

Attached to: Vacuum Chamber
Solicitation number: PR497734
Issued by: Department of Energy

About this file

Written by GovTribe AI · Sep 11, 2026

This is a technical drawing set for a high-flux isotope reactor vacuum chamber assembly. The documents comprise detailed engineering drawings with multiple views, sections, and specifications for fabricating a vacuum chamber composed of a skeleton welded from five rectangular hole frames with a solid base plate, closed by five panels (front, back, left, right, and top).

The vacuum chamber must be fabricated in accordance with high vacuum practice standards for operation at 1.0x10⁻⁷ to 1.0x10⁻⁸ Torr. Fabrication requirements include removal of all contamination prior to work, use of water-soluble non-sulfurous cutting oils for machining, detergent washing and de-ionized water rinsing of all parts, and helium leak testing showing total leak rates below 2.0E-9 Torr-L/second using a mass spectrometer leak detector. All sealing surfaces must be protected during packaging using aluminum foil over flanges and polyethylene bags for small items. The primary materials specified are Aluminum 6061 (electropolished finish, quantity 4) and Stainless Steel 304/316 (electropolished finish, quantities 2-4). Key components include chamber ring adapters, relief adapters, frame members, side panels, and end plates with extensive hole patterns for fastening and instrumentation. Welding along chamfered edges must be continuous, full-length, and finished flush with plate surfaces. O-ring grooves must be cut after frame assembly using Harvey Tool #23814 with 0.103 cross-section specifications. Multiple specialized threads (UNC and NPT) and precise dimensional tolerances (±0.200", ±0.010", ±0.005") are specified throughout.

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SCALE 1/2.5

Print Notations for High Vacuum Application (1.0x10-7 to 1.0x10-8 Torr):

All parts shall be fabricated in accordance with good vacuum practice which shall, as a minimum include the following:

1) Removal of all contamination e.g. scale, dirt, grease and oil prior to fabrication.

2) Use only water soluble, non-sulfurous bearing cutting oils for machining.

3) Washing of all parts with detergent to remove cutting oils prior to final washing and rinsing with de-ionized water.

4) Helium leak testing of the assembled vacuum chamber which shall show a total leak rate less than 2.0E-9 Torr-L/second using a MSLD.

5) Fabricated components shall be packaged in a way to protect all sealing surfaces and to stop contamination from entering vacuum volume. Use of aluminum foil over flanges and sealing small items in a polyethylene bag is preferred.

The vacuum chamber is composed of a skeleton welded together by 5 rectangular hole frames with a solid base plate. The chamber is then closed by another 5 panels on the front, back, left, right and top.

SCALE 2

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamberring.iptAluminum 6061

Electropolish

N/A HB2D-M-40-U-0128

Sheet No:

2 of 2N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

5/12/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

BEFORE USING A PRINTED COPY, VERIFY THAT IT IS THE CORRECT VERSION BY CHECKING THE WORK PLANNING, INSTALLATION, FABRICATION, OR PURCHASING DOCUMENTATION. THIS DRAWING AND ITS CONTENTS ARE THE PROPERTY OF OAK RIDGE NATIONAL LABORATORY. NO PART OF

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

5.000

R2.188

3.500

.150 THRU

.279 X 82°, Qty: 6X

.09

11:45 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

12:43 pm 19-May-2026

GREGORY WARREN | WARRENGE@ORNL.GOV

SCALE 1 : 1

SECTION M-M

SCALE 1 : 1

M M

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamtubeadapter.iptStainless steel 304

Electropolish

N/A HB2D-M-40-U-0129

Sheet No:

3 of 3N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

2/5/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

.925 1.206

2.085

2.875

4.375

5.165

6.044 6.325

7.250

.32

.63

1.4

2.2

2.5

2.8

R.750

8-32 UNC - 2B, Dept: .250, Qty: 16X

7.250 R3.250 5.687

5.447 5.000

5/16-18 UNC - 2B .625, Qty: 8X 1/4-20 UNC - 2B, Dept: .325, Qty: 8X

45° 45°

22.50°

90°

.193 1.000 Qty: 4X

5.687 5.447

7.250 5.000.072.072

.266 .325 Qty: 8X

30° 60°

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 3

SECTION AJ-AJ

SCALE 3

AJ AJ

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamtubeadapter-blank.iptStainless steel 304

Electropolish

N/A HB2D-M-40-U-0142

Sheet No:

4 of 4N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

2/6/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

.14

.081

.151

.210

.129

.022

1.558 1.709 1.790

.790

1.580

.000

.21

.00

.79

2.2

3.0

3.2

R.768

R.125

.144 THRU

.281 .138, Qty: 4X

.25

The next for parts all share the same parent part in this page. So, eventually 4 of this piece will be needed but drilled with different holes.

11:46 am 19-May-2026

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12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 2 : 1

SECTION N-N

SCALE 2 : 1

N N

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamtubeadapter-relief.iptStainless steel 304

Electropolish

19.042 in^2 HB2D-M-40-U-0130 Sheet No:

5 of 5N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

2/6/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

R.919 R.768

.144 THRU

.281 .138, Qty: 4X

1/8 - 27 NPT

.10

.25

1.000 .919 .790

.790 .919 1.000

.790

1.7

1.5

.75

1.5

1.7

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 2 : 1

SECTION P-P

SCALE 2 : 1

SCALE 2 : 1

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamtubeadapter-temperature.iptStainless steel 304

Electropolish

18.915 in^2 HB2D-M-40-U-0131 Sheet No:

6 of 6N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

2/6/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

.790 1.000

1.0

2.2

1.5

2.5

1.281 1.160

1.000 .906

.144 THRU

.281 .138, Qty: 4X

4-40 UNC - 2B, Dept: .200, Qty: 8X

.104

.050 mirror symmetry of the hole pattern on the left

Front panel

Back panel

.081

.232

.547

1.453

1.768 1.919

1.580

.420.500

1.500

2.000

R.919 R.768

.25

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 3 VIEW289

SCALE 3

SECTION AH-AH

SCALE 3

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamtubeadapter-KF.iptStainless steel 304

Electropolish

19.485 in^2 HB2D-M-40-U-0143 Sheet No:

7 of 7N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

2/6/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

.768

.919 1.000

.768

.919 1.000

.790

1.5

1.7 50 .75

.75

1.7

1.5

R.125

.500

R.919 R.768

.144 THRU

.281 .138, Qty: 4X

.650

10-24 UNC - 2B, Dept: .180, Qty: 6X

.010

.104

.75

.37

.75

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 1 / 2

SECTION T-T

SCALE 1 / 2

DETAIL U

SCALE 2

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamtopframe.iptStainless steel 340

Electropolish

N/A HB2D-M-40-U-0132

Sheet No:

8 of 8N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

12/10/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

.167

.993

2.993

4.993

6.993

8.993

10.993

12.993

14.993 15.986

15.486

.500

.00

.16

.62

2.6

4.6

6.6

8.6

.62

.25

.08

.50

.75

R.125 R.284 R.216

1/4-20 UNC - 2B, THRU, Qty: 12X

1/4-20 UNC - 2B, THRU, Qty: 16X

.341

.409

15.645 15.576

.40

.34

.90

.84

.37

Please use the dove tail cutter:

Tool # 23814 from Harvey Tool.

O-ring x-section: 0.103

** Cut this grove after all the frames are welded together.

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 1 / 2

SECTION V-V

SCALE 1 / 2

SECTION Y-Y

SCALE 1 / 2

DETAIL AA

SCALE 2

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamfrontframe.iptStainless steel 304

Electropolish

N/A HB2D-M-40-U-0133

Sheet No:

9 of 9N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

12/10/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

.167 .500

2.204

4.242

6.279

8.316

10.354

12.058 12.391 12.558

.167 .341

.409

12.149 12.217

12.391

.34

.40

9.9

9.8

.50 0.16

1.1

3.1

5.1

7.1

9.1

9.7

.08

.25

1/4-20 UNC - 2B, Dept: .250, Qty: 14X

1/4-20 UNC - 2B, Dept: .333, Qty: 10X

R.500

R.591 R.659

.125 X 45° CHAMFER all around the edge Please use the dove tail cutter:

Tool # 23814 from Harvey Tool.

O-ring x-section: 0.103

** Cut this grove after all the frames are welded together.

.250 X 60° CHAMFER all around the edge

.50

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 1 / 2 VIEW262

SCALE 1 / 2

SECTION AB-AB

SCALE 1 / 2

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamsideframe.iptStainless steel 304

Electropolish

N/A HB2D-M-40-U-0134

Sheet No:

10 of 10N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

12/10/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

.167

2.204

4.242

6.279

8.316

10.354

12.391 12.558

12.058

.500

.16

.50

1.9

3.9

5.9

7.9

9.9

.99

.48

.98

.40

.34

.57

.64

.341

.409

12.149 12.217

R.500 R.591 R.659

1/4-20 UNC - 2B, Dept: .333, Qty: 14X

.425

12.133

.500

12.058 12.558

.00

.50

3.9

5.9

7.9

9.9

.99

.48

.98

R.500

.125 X 45° CHAMFER

Please use the dove tail cutter:

Tool # 23814 from Harvey Tool.

O-ring x-section: 0.103

** Cut this grove after all the frames are welded together.

.50

6-32 UNC - 2B, Dept: .250, Qty: 14X

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

Front surface

SCALE 1 / 2

SECTION R-R

SCALE 1 / 2

Back surface

SCALE 1 / 2

R R

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamtopplate.iptStainless steel 304

Electropolishing

N/A HB2D-M-40-U-0135

Sheet No:

11 of 11N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

2/5/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

5.4585.875

3.000

1.000

3.000

5.000 5.8755.458

5.000

5.625

2.319

2.000

.257 THRU

.535 X 82°, Qty: 16X

5/16-18 UNC - 2B, THRU, Qty: 4X

6-32 UNC - 2B, Dept: .250, Qty: 10X

.266 THRU

.535 X 82°, Qty: 12X

7.3

7.7

6.5

5.5

4.5

3.5

2.5

1.5 08.50

.49

1.4

2.4

3.4

4.4

5.4

6.4

7.4

8.3

8.7

7.5

8.4

1.891 1.500 1.043

10-24 UNC - 2B, Dept: .188, Qty: 12X

20.00°

Rotation symmetrical around the origin

2.440 2.200 1.630

10-24 UNC - 2B, Dept: .188, Qty: 36X

60°

60° 40°

40°

5.000

6.000 1/4-20 UNC - 2B, Dept: .188, Qty: 8X

.00

.05

.35

1.125

2.750

1.125

2.750

6.8

5.0

5.1

4.6

4.1

3.0

2.3

1.7

1.2 48 .50

1.7

2.3

3.0

4.1

4.6

5.1

6.8

5.9

7.9

7.0 01 .50

1.2

R.125

4.500 3.877

2.457

.295

2.457

4.500 3.877

5.125

Remove 0.005 in of surface for all the O-ring seal.

Please not scratch this surface for vacuum sealR3.400

Laser engrave a thin line through the center of the plate but keep the O-ring sealing surface unscratched.

5.8

4.000

2.0

4-40 UNC - 2B, Dept: .250, Qty: 8X

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 1 / 2

Back surface

SCALE 1 / 2

SECTION AE-AE

SCALE 1 / 2

AE AE

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamfrontpanel.iptStainless steel 304

Electropolish

N/A HB2D-M-40-U-0136

Sheet No:

12 of 12N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

2/5/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

.532

2.569

4.607

6.644

8.681

10.719

12.756

.532

2.990

8.990

12.756 .66

1.6

3.6

5.6

7.6

9.6

.58

.25

R2.525

R2.188 3.250

.12

.16

.25

5.050 4.040 3.250.05

3.500 3.670

6-32 UNC - 2B, Dept: .063, Qty: 6X

.257 THRU

.535 X 82°, Qty: 14X

.257 THRU

.535 X 82°, Qty: 10X

6.000

6-32 UNC - 2B, Dept: .150, Qty: 4X

Please not scratch this surface for vacuum seal

.25

13.288

1.990

7.990

2.6

8.6

6-32 UNC - 2B, Dept: .150, Qty: 4X

Laser engrave the center of the window

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 1 / 2

Back surface

SCALE 1 / 2

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamsidepanel.iptStainless steel 304

Electropolish

N/A HB2D-M-40-U-0137

Sheet No:

13 of 13N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

2/5/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

.417

2.243 3.243 4.243

12.243 13.243 14.243

16.069 16.486

8.243

6.243

10.243

.53

2.5

4.6

6.6

8.6

.71

.75

.53

.49

.75

.79

.257 THRU

.535 X 82°, Qty: 14X

.257 THRU

.535 X 82°, Qty: 14X

1/4-20 UNC - 2B, Dept: .250, Qty: 4X

1/4-20 UNC - 2B, Dept: .188, Qty: 3X 10-24 UNC - 2B, Dept: .167, Qty: 6X

6-32 UNC - 2B, Dept: .167, Qty: 14X

.25

.28

6-32 UNC - 2B, Dept: .167, Qty: 14X

8.2

Ma ke su re thi su nd er lin ep os itio n

Please laser engrave the following text onto two plates of each text at the specified location with black color.

ARM-I

ARM-II

Stp file for ARM-I is also provided

4.243

8.243

12.243

1.2

4.6

8.6

.04

4.6

8.6

DXF file will be provided, color: black

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 1 / 2

Back surface

SCALE 1 / 2

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chambase.iptStainless steel 304

Electropolish

N/A HB2D-M-40-U-0138

Sheet No:

14 of 14N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

12/10/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

3.000

.000

3.000

5.625 5.125

7.9

7.4

6.7

4.0

.00

4.0

6.7

7.4

7.9

1/4-20 UNC - 2B, Dept: .500, Qty: 6X

6-32 UNC - 2B, Dept: .432, Qty: 6X

1/4-20 UNC - 2B, Dept: .500, Qty:

.63 Use the material thickness as received.

.375

.125 X 45° CHAMFER

.250

.625

2.875

4.385 4.956 5.625 6.294 6.865

8.375

10.625 11.000 11.250

.25

1.9

2.7

3.3

3.9

4.6

5.2

.75

.32

.66

.99

.23

.99

.48

.73

.98

7.9

.255 .250 .400 X 82°, Qty: 6X

5/16-18 UNC - 2B, Dept: .250, Qty: 4X1/4-20 UNC - 2B, Dept: .250, Qty: 4X 1/4-20 UNC - 2B, Dept: .250, Qty: 2X

10-24 UNC - 2B, Dept: .250, Qty: 16X 10-24 UNC - 2B, Dept: .250, Qty: 16X

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

SCALE 1/2

SECTION AF-AF

SCALE 1/2

SECTION AG-AG

SCALE 1/2

AG AG

Unit: in

Default Tolerance x=±.200 xx=±.010 xxx=±.005

Title:Material:

Qty:

Surface finishing:

Surface area: Drawing No:

chamber_only_frame.iamStainless steel 304

Electropolish

N/A HB2D-M-40-U-0140

Sheet No:

15 of 15N/A

Coating:Heat treatment:

N/A

Designer:

Reviewer:

Date:

12/10/2025

Fankang Li

Greg Warren

DCN No.

HB2D-DCN-00-0007-R00

Reviewer: Elias Pulliam

Rev.

THIS DRAWING MAY BE REPRODUCED WITHOUT EXPRESS WRITTEN PERMISSION, AND IT MUST BE RETURNED UPON REQUEST.

Continuous weld along chamfer, full length to both ends. Finish weld flush with plate surface.

Continuous weld along chamfer, full length to both ends. Finish weld flush with plate surface as much as possible.

Please use the dove tail cutter:

Tool # 23814 from Harvey Tool.

O-ring x-section: 0.103

** Cut these groves on the 5 faces AFTER all the frames are welded together.

11:46 am 19-May-2026

FANKANG LI | FANKLI@ORNL.GOV

12:37 pm 19-May-2026

ELIAS PULLIAM | PULLIAMEN@ORNL.GOV

File details come from the government source that posted it. Updated Sep 11, 2026.