Example1) Withthe setting in Fig.
44,
stitchingwillnot be done in the
reverse
direction.
b)
C)
a) The pitch is too small in
(>
c
t
the
first
stitch
in
the
reverse
direction.
—
These
situations
can
" I
> <
' I
' b) The
needle
enters
one
occur
when
the
"/
(
J
point
twice.
backstitching speed
II
1
c) There is one stitch
too
is
increased.
\t
(
\l
many
in
the
forward
<
r
direction. _
Fjg.
4-12
If situation a), b) or c) above occurs, reset so that the reverse feed solenoid will be actuated faster
(—
direction).
Example 2) With the setting in Fig.
44
stitching is
not
done in the forward direction.
Fig.
4-13
a) The pitch is
too
small on the
4th
stitch
in
the
forward
direction.
b) The needle enters
the
same
point
twice.
c) There is one stitch too many in the reverse
direction.
Situations a), b) and c) can occur when the reversestitching speed is too slow. In such a case reset
so
that
the reverse feed solenoid will be actuated later (+ direction).
-
41
-