Operation Manual

DfferentiaI
feed
The differential
feed
consists
of
two
feed
dogs (A
÷
B),
one behind
the
other, which
fled
the
fabnc.
The
movement
of
the
front
feed
dog
IA)
and
thus
the
:imount
of
mater
al
to
be
fed
can
be
oqulated
using he
r-iou
ator
wheel
41.
The
setting
iange
5
between
0.5
and 2.0.
The
standard
setting
is
1
0,
where the
movement
of
the
front
feed
dog
(Al
s
syn
.Iironized
with the
rear
feed
dog
(B).
This
means
that
the
front
feed
clog
feeds
the
same
amount
of
fabric as
the
rear
fred
dog.
Note:
The
function
of
the
differential
feed
3(50
depends
on
the
set
stitch length
and
the
type
of
fabric being
used
A
/,s.
5
5’
:4
\‘
.5,
.‘
.
Here
you
will
avoid gathering/puckering
of
the
seam
when
working
with
very
light fab
des,
such
as
silk
and
taffeta,
Instead, a
smooth seam (A)
will
he
achieved.
You
can
also
achieve
decorative
effects
with
the
differential
feed
dog,
For
example
the
wavelike
effect
when
using
a
rib
knit
(B).
I
4
4
3et
the
iegu(ator
wheel
for
th
differential
eed
41
to
0.5.
At
this
setting the
front
feed
doq
feeds
half
as
fast
as
the
rear
feed dog.
This
means
that the
front
feed
dog
feeOs
nly
half
as
ouch
fabric
es
the
rear
feed
.ioq,
ausing
the
fabdc
to
stretch.
36