21
SC2402
Operations
‐
Welding
Stud
Welding
‐
Helpful
Hints
and
Suggestions
•
Keep
weld
studs
and
ferrules
clean
and
dry.
•
Set
the
time
for
the
appropriate
weld
base
diameter
(see
chart
on
page
19).
•
Set
the
amperage
for
the
appropriate
weld
base
diameter
(see
chart
on
page
19).
•
Make
sure
the
negative
polarity
is
to
the
weld
stud
gun
and
ensure
a
good,
clean
ground
con
‐
nection.
•
Align
accessories
so
they
are
centered
and
adjust
legs
so
that
3/16”
to
1/4”
of
the
stud
pro
‐
trudes
beyond
the
ferrule.
•
Make
sure
work
surface
is
relatively
clean
so
impurities
do
not
affect
weld.
•
Test
the
welds
at
the
beginning
of
each
shift
or
change
in
stud.
Bend
two
studs
30
degrees
af
‐
ter
cooling
(AWS
Bend
Test).
•
Check
burn
off
(1/8”
–
3/16”),
color
(silver
blue
and
shiny),
and
weld
fillet
(360
degree).
•
Visually
inspect
all
welds.
Thru
‐
Deck
Stud
Welding
‐
Helpful
Hints
and
Suggestions
•
Keep
weld
studs
and
ferrules
clean
and
dry.
•
Never
attempt
thru
‐
deck
welding
when
the
ambient
temperature
is
below
32
o
F
•
Deck
must
be
layered
flat
on
supporting
members.
•
Deck
must
be
properly
grounded.
Be
sure
all
cable
connections
are
tight
and
secure.
•
Always
use
a
special
thru
‐
deck
type
ferrule.
•
Visually
inspect
all
welds.
To
ensure
satisfactory
welds,
bend
test
a
minimum
of
one
stud
out
of
every
one
‐
hundred,
by
striking
stud
with
a
hammer
and
bending
the
stud
15
o
from
its
original
axis.
