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4-5.
Thread
Tension
Chart
‘N.N.
THREAD
Left
Needle
Right
Needle
Upper
Lower
N
TENSION
Looper
Loope
N..
II1
1II
STITCH
CUTTING
PATTERN’N
C>IH
t>Il4I
II!
STITCHES
[LJ
LJ
[J
LENGTH
WIDTH
OVERLOCK
4 4 4
4
2.5-5
mm
5-6
mm
ROLLED
Ffl(F
—
4
A
0
FINE
ROLLED
EDGE
—
4
4 4
1-1.5
mm
5-6
mm
The
tension
for
each
of
the
thread
tension
dials
should
be
different
according
to
the
pattern
stitches
as
in
the
chart
above.
Since
the
figures
in
the
chart
are
for
average
strength
of
thread
tension,
it
may
be
necessary
to
adjust
the
thread
tension
slightly.
Thread
tensions
will
differ
according
to
the
kind
of
fabric
and
the
thread.
The
differential
feed
ratio
is
normally
“N”.
(See
R16)
—12—