AFE Enclosure Cover Assembly AL-1899-3873A.pdf

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Attached to
BPM Chassis - Group G - AFE Enclosure (Housing and Cover)
Solicitation number
AM202606-03
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About this file

This is a technical drawing document from Ernest Orlando Lawrence Berkeley National Laboratory (LBNL) for an Advanced Light Source (ALS) Storage Ring component.

The drawing (AL-1899-3873, Revision A) specifies a Cover Assembly for an AFE Enclosure, scaled at 2:1 and printed on a C-size sheet. The assembly consists of two items: one aluminum 6061-T6 cover (AL-1899-3881) and one alloy steel dowel pin (1/16" diameter, 3/16" length, McMaster-Carr part number 98381A414). The estimated mass is 0.068 LBM. The drawing was released April 22, 2026, and applies ASME Y14.5M-2009 dimensioning and tolerancing standards, ASME Y14.38 abbreviations, ASME Y14.36M surface texture symbols, and ANSI/AWS A2.4 welding standards. Standard tolerances include ±0.01" for two-digit decimals and ±0.005" for three-digit decimals, with machined surfaces finished to 125 microinches and edges broken to 0.020" maximum. The drawing includes specifications for press-fit assembly, thread Class 2, burr removal, and weld splatter cleanup. All dimensions are in inches using U.S. customary units. The document is LBNL proprietary and subject to intellectual property restrictions, requiring return on demand and prohibiting reproduction or use without written permission.

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Text version

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

A

0.06

ITEM QTY ITEM NO. DESCRIPTION MATERIAL MANUFACTURER MANUFACTURER PART NO

1 1 AL-1899-3881 COVER, AFE ENCLOSURE ALUM_6061-T6

2 1 HW-1001-7205 DOWEL PIN, 1/16" DIA, 3/16" LG, ALLOY STL ALLOY_STEEL MCMASTER-CARR 98381A414

D W G

N O

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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 22 2026 3:59:20 PM PDTRELEASED AT jmweberRELEASED BY

Apr 22 2026 3:40:52 PM PDTCHECKED AT bholmquist,neildeyCHECKED BY

Wirdzek, JohnAUTHOR

BASELINE RELEASE

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

0.068 LBM

TOLERANCE

.X�#�.- .XX�#�0.01 .XXX�#�0.005

FRACTIONS: �#� -/--

ANGLES: �#�1

MACH. SURFS.: 125 µin

REFERENCE

-THREADS ARE CLASS 2

-BREAK EDGES 0.020 MAX, ON

MACHINED WORK

-REMOVE BURRS, WELD SPLATTER

& LOOSE SCALE

ALS-U - STORAGE RING

DRAWING UNITSDRW REF DOC

in-lbm-s EG-1000-0923

INSTRUMENTATION - GENERALTHIRD ANGLE SCALE

COVER ASSY, AFE ENCLOSURE2:1

PRINT NOT TO SCALE

REV ITEM NUMBERLIFECYCLE STATECATEGORY CODE SHEETSHEET SIZE

AAL-1899-3873ReleasedAL75701 OF 1C

NOTES:

101. ALL DIMENSIONS ARE IN INCHES (in) AND VALUES ARE IN U.S. CUSTOMARY UNITS (inch).

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

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.

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