Figure E-21. Bolster Plate, Spring Assembly
13
4
5678
B
C
D
A
123
4
5678
B
C
D
A
2200 MISSION COLLEGE BLVD.
P.O. BOX 58119
SANTA CLARA, CA 95052-8119
R
0.2 A
A
DIMENSION APPLIES TO
DATUM A TO STUD HEAD
0
0.2
5.35±0.2
( 8) WELD STUD TO SPRING
H37308 1 13
DWG. NO SHT. REV
SHEET 1 OF 1
DO NOT SCALE DRAWING
SCALE: 4
13H37308D
REV
DRAWING NUMBER
SIZE
KNL SPRING ASSEMBLY
TITLE
DEPARTMENT
SEE NOTESSEE NOTES
FINISHMATERIAL
DATEAPPROVED BY
-
9/11/15
DATECHECKED BY
5/9/14
DATEDRAWN BY
5/9/14
DATEDESIGNED BY
DIMENSIONS ARE IN MILLIMETERS.
THIRD ANGLE PROJECTION
PARTS LIST
DESCRIPTIONPART NUMBER
ITEM NO
QTY
KNL SPRING ASSEMBLYH37308-009TOP
KNL SPRINGH37309-00311
SKT-P, SPRING STUD, M4J14344-00221
REVISION HISTORY
ZONE REV DESCRIPTION DATE APPR
- 01 TOOLING RELEASE 9/5/14
02
1. UPDATED SPRING ASSEMBLY PART NUMBER TO -002 BASED ON
NEW SPRING STUD TO A -002 W/TEETH.
2. UPDATED BOM TABLE TO REFLECT -002 FOR SPRING STUD.
12/11/14
03 1. UPDATED THE REFRENCE CTF DIMENSION FROM 1.3MM TO 0.9MM. 1/7/15
04 1. REMOVED CTF CALLOUT ON REFERENCE DIMENSION 2/4/15
05
1. ADDED NEW M4 STUD
2. CHANGED STUD TO SPRING INTERFACE FROM PRESS
RIVET TO WELD.
3. ROLLED ASSEMBLY PART NUMBER FROM -002 TO -003.
4/8/15
06
1. ADDED DIMENSION AND NOTE 4 TO DRAWING
2. ROLLED THE ASSY NUMBER -004 BASED ON NEW
M4 STUD (H7925-003)
4/16/15
B4
B6
07
1. ADDED NOTE 6 TO CALL-OUT CRITICAL TO FUNCTION DIMENSIONS.
2. INCREASED TOLERANCE FROM .1MM TO .2MM
5/6/15
A3
B6
08
1. CHANGED THE M4 STUD FROM PART NUMBER H77925-004
TO H78186-003.
2. THE CTF DIMENSION CHANGED FROM 4.67 TO 5.45.
6/9/15
09
1. ROLLED THE DASH ASSY PART NUMBER FROM H37308-006 TO
H37308-007. THE M4 STUD CHANGED PART NUMBER FROM
H78186-003 TO H95019-002 TO SHARE SAME STUD WITH SKX
8/28/15
B2
A3
10
1. CHANGED NOTE 5 TO SAY MINIMIZE DISCOLORATION
2. CHANGED NOTE 3 TOLERANCE FROM 0+/-.05 TO 0+/-0.10
3. ADDED NOTE 7 TO CALLOUT OPTIONAL LUBRICANT.
10/15/15
B6
11
1. ROLLED DASH NUMBER FOR SPRING ASSEMBLY FROM H37308-007
TO H37308-008 BASED ON NEW M4 STUD (J14344-001).
2. CTF DIMENSION CHANGED FROM 5.525 TO 5.35
12/7/15
12
1. MODIFIED NOTE 7.
2. ROLLED THE DASH ASSY NUMBER FROM H37308-008 TO
H37309-009 BASED ON THE NEW M4 STUD (J14344-002).
6/3/16
A4 13 1. ADDED NOTE TO CTF DIMENSION. 7/11/16
NOTES; UNLESS OTHERWISE SPECIFIED:
1. REFERENCE DOCUMENTS
ASME Y14.5M-2009 - STANDARD DIMENSION AND TOLERANCES
164997 - INTEL MARKING STANDARD
2. FEATURES NOT SPECIFIED ON DRAWING AND FEATURES WITHOUT SPECIFIED
TOLERANCE SHALL BE CONTROLLED BY 3D CAD MODEL DATABASE.
FOR FEATURES NOT EXPLICITLY TOLERANCED:
(BASIC DIMENSIONS FROM THE 3D CAD MODEL)
3 INSTALL M4 MALE STUD FLUSH TO SPRING BOTTOM SURFACE +0/-0.10MM.
4 M4 MALE ATTACH STUD:
- PULLOUT FORCE > 1000N (225LBF)
- TORQUE OUT > 2.25N-m (20IN-LBF)
- FAILURE MODES: STUDS MUST NOT SHEAR, DEFORM, STRIP, CRACK,
OR TORQUE OUT BELOW TORQUE LIMIT.
- LIMITS BASED ON 3 SIGMA DISTRIBUTION.
5 MINIMIZE COLOR DISCOLORATION ON THIS SURFACE AND NO WELD ON THREADED SIDE OF SPRING
6. DIMENSIONS MARKED ARE CRITICAL TO FUNCTION DIMENSIONS (CTF).
7 ALL STUD THREADS REQUIRE APPROVED LUBRICANT BY INTEL. CONTACT INTEL FOR THE LIST
OF APPROVED LUBRICANTS.
4 PULLOUT FORCE DIRECTION
2 SURFACES
1
2
3
7
5
C
C
C
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