NASA - Fastener Design Course.pdf

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Lewis Research Center
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INTl'~"2
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Lewis Research Center
-
ACKNOWLEDGMENTS
Wil Harkins, NASA Headquarters
and Mario Castro-Cedeno, NASA Lewis Research Center
Funds for Course
Harold Kasper, Analex Corp.
Wrote some sections and found information for others, as well
as editing the entire course
John Bickford
Leading author and lecturer for fasteners
Bengt Blendulf
Lecturer and adjunct professor on fastener design
Betsy DeLaCruz (Assisted by Jackie Kocik)
Typed, retyped and assembled the course
Ray Homyk, ADF Corp.
Edited the entire course
Lewis Research Center
o
A COMMON ERRONEOUS STATEMENT:
"EVERYBODY KNOWS ABOUT BOL
TS
AND NUTS"
BUT DO THEY REALL Y KNOW?
•
'H~
.
Lew.....
I
P I
J
U III
dt
.
.
J
.
d ·1 .
J 111
I·
I •
lID
J
J
t'Seventy-five
percent of
the
assembly
/a/;)or
cost
of
an
automobile is
spent
on
fasteners.
·Eighty
to
eighty-five percent
of ALL
automobile
recalls
are fastener
re/ated."
JosephR.
Dudley
.
V.P _, Automotive
Market~ng
NylokFastener
Corp.
May, 1995
INT~
-5
lewis Research Center
o
Wrong
Preload
Parts
Damaged
--
In
Handling
Bad
Parts
Improper
Assembly
Causes for Joint Failures
in NASA's
Sky Lab Program

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