AL-1791-5257 Rev G.pdf

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Attached to
ALS-U BPM Jumper Cables - Brackets
Solicitation number
AM202604-13
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About this file

This is a technical engineering drawing for a PTC Support Bracket manufactured by Ernest Orlando Lawrence Berkeley National Laboratory (LBNL) for the Advanced Light Source storage ring project.

The drawing (AL-1791-5257, Revision G) specifies a bracket component machined from aluminum 5052-H32 material with an estimated mass of 0.149 kilograms. The bracket features precise dimensions in millimeters with tolerances of ±1.0 for single decimals, ±0.5 for double decimals, and ±0.2 for triple decimals. Key design specifications include four R4 rounded corners, five M4×0.7-6H threaded holes, two M6×1-6H threaded holes, and various dimensional requirements ranging from 6.00mm to 198mm across the component. The drawing requires specific surface finishing to 1.6 micrometers or better on all machined surfaces per ASME Y14.36M standards, edge breaking between 0.25–0.75mm chamfer or radius, and removal of all burrs and weld splatter. The component must be bagged and tagged with the drawing number, revision letter, manufacturer CAGE code, and part serial number per EG-1002-1955 and SAE AS478-35D. The drawing was released April 2, 2026, and reflects a design change increasing bracket height and rearranging hole positions.

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Text version

7 6

6 5

5 4

4 3

3 2

B

A

D D

C C

A

C R E O

P a r a m e t r i c

>>>LBNL:DRAWING:FORMAT:001<<<

RIGHT

RIGHT

LEFT

LEFT

4X R4

27.00 +0.80 -0.05

5X 11.11 +0.40 -0.05

12.4

0.0

26.1

46.7

63.8

77.6

5X 7.8

32.00

2X 6.00

9.0

STK3.26

5X 7.0

15.0

6.60 +0.40 -0.05

110.00 02X 128175.9198

2X 24.00

6.15

3X 45.00

83.85

86.17

4X R4

27.0

63.0

2X 20.00

D W G

N O

R E V

S H

A L

G

THIS DRAWING IS THE PROPERTY OF ERNEST ORLANDO LAWRENCE BERKELEY NATIONAL LABORATORY (LBNL) AND ANYTHING PRODUCED FROM THESE DRAWINGS IS SUBJECT TO LBNL'S INTELLECTUAL PROPERTY RIGHTS. THIS DRAWING IS LOANED ON A CONFIDENTIAL BASIS SUBJECT TO RETURN ON DEMAND AND NOTHING HEREIN MAY BE REPRODUCED, USED OR DISCLOSED

IN WHOLE OR PART WITHOUT PRIOR WRITTEN PERMISSION OF LBNL.

Apr 2 2026 8:52:05 AM PDTRELEASED AT ccsunRELEASED BY

Apr 2 2026 8:50:53 AM PDTCHECKED AT grlyall,dgudkovCHECKED BY

Li, DennisAUTHOR

INCREASED BRACKET HEIGHT AND REARRANGED HOLES

CHANGE DESCRIPTION (SEE LBNL PDM FOR REV HISTORY)

ERNEST ORLANDO LAWRENCE

BERKELEY NATIONAL LABORATORY

UNIVERSITY OF CALIFORNIA

PROJECT NAME UNLESS OTHERWISE SPECIFIED

ADVANCED LIGHT SOURCE

ESTIMATED MASS

0.149 KG

TOLERANCE

X.�#�1.0 .X�#�0.5 .XX�#�0.2

FRACTIONS: �#� -/--

ANGLES: �#�1.0

MACH. SURFS.: 3.2um or better

REFERENCE

-THREADS ARE CLASS G or H

-BREAK EDGES 0.5 MAX, ON

MACHINED WORK

-REMOVE BURRS, WELD SPLATTER

& LOOSE SCALE

ALS-U - STORAGE RING

DRAWING UNITSDRW REF DOC

mm-kg-s EG-1000-0923

PRE-STAGING - DESIGNTHIRD ANGLE SCALE

PTC SUPPORT BRACKET1:1.5

PRINT NOT TO SCALE

REV ITEM NUMBERLIFECYCLE STATECATEGORY CODE SHEETSHEET SIZE

GAL-1791-5257ReleasedAL75401 OF 1D

ITEM WEIGHT: 0.149 SURFACE TREATMENT: NA

NOTES:MAT 1: ALUM_5052-H32

NOTES:

101. ALL DIMENSIONS ARE IN MILLIMETERS (mm) AND VALUES ARE IN

SI UNITS. DIMENSIONS AND VALUES IN BRACKETS ARE U.S.

CUSTOMARY UNITS (inch) CONVERTED FROM MILLIMETERS / SI

UNITS.

102. APPLICABLE STANDARDS AND SPECIFICATIONS:

ASME Y14.5M-2009, DIMENSIONING AND TOLERANCING

ASME Y14.38, ABBREVIATIONS AND ACRONYMS

ASME Y14.36M, SURFACE TEXTURE SYMBOLS

ANSI/ AWS A2.4, STANDARD SYMBOLS FOR WELDING

103. 1.6 [63] FINISH ALL MACHINED SURFACES PER ASME Y14.36M,

SURFACE TEXTURE.

104. REMOVE ALL BURRS AND BREAK EDGES 0.25 [.010]

TO 0.75 [.030] CHAMFER OR RADIUS. RADII

MUST MAKE A SMOOTH TRANSITION WITH ADJACENT SURFACES.

106. BAG AND TAG PART WITH DRAWING NUMBER, REVISION LETTER,

MANUFACTURER CAGE CODE, AND PART SERIAL NUMBER IF APPLICABLE

PER EG-1002-1955 AND PER SAE AS478-35D.

SEE DETAIL A

3X M4X0.7 - 6H THRU

2 X M6X1 - 6H THRU

DETAIL A

SCALE 2:1

3 PLACES

2X FULL R

GGGGG

G

Sheet 1
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