(6) Corner knife operation
timing
to
seam
length
1
5
Total stroke
-
--
-
1
4
No stitching 1
2
Skipped
Seam
length
--
I
--)>
.:(-+---
4
L.
.
.,..
1J:1
-+-l--1
_
....
_
l3
Constant
..I
e,
:
Seam
length
e
2
:
Feed
amount
to
sewing start position
e
3
:
Feed
amount
from
feed operation start
to
sewing end position
ce3
=t, +
t2>
t
4
:
Feed
amount
from
sewing end position
to
corner
knife
operating position
ls
: Total feed
amount
(ls=t,
+l2+l4)
e,
t2
Small gauge
28-190
47-209
Large gauge
36-190
47-201
Smallgauge >
Largegaug~
1-
t3
t4
ts
(t,
+ t2)
(t,
+
t2
+ t4)
(m/m)
237 124
361
237
120
357
* Because
the
cutting
length
of
the
large knives
(L)
for
the
large gauges ( 16,18,20 mm) are 4 mm
longer
than
that
of
the
small knives
(S)
for
small
gauges (8, 10, 12,14 mm),
the
dimensions
below
will
be measured
with
the
large
or
small gauge.
-74-
No stitch feed
(t4)
Min.
sewing
length
Small gauge
124mm
Small gauge
28mm
Large gauge
120mm
Large gauge
36mm
*
Actual
dimensions
when
the
material
is
cut:27-+26,35-+34
From the library of: Superior Sewing Machine & Supply LLC
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