34
15) Trimmer
A. Trimming Order
The following is the trimming order.
ⓐ
When a trimming signal is entered, as in Figure (A),
the trimming roller lever
①
is located at the lowest
part of the curved line of the trimmer cam. In this
case, the moving blade
④
is parted from the fixed
blade
③
as in Figure (B) and conducts a rotary
movement toward the opener after passing above
the bobbin.
ⓑ
As in Figure (C), the trimmer cam conducts the
rotary movement and the trimmer roller lever
①
contacts the cam. At this moment, the moving blade
④
holds the lower and upper threads as in Figure
(D), and performs rotary movement toward the fixed
blade
③
.
ⓒ
When the trimmer roller lever
①
and the trimmer
cam
②
's hole
⑤
are in a line as in Figure (E), the
moving blade
④
trims the thread by contacting with
the fixed blade
③
as in Figure (F).
B. Adjustment of Moving Blade
The moving blade
①
moves the upper and lower threads
to the point of the fixed blade
⑥
. At this time, the
moving blade
①
rotates while it does not touch the
bobbin case, and trimming occurs through its contact
with the fixed blade. Blades can be adjusted as follows:
ⓐ
Loosen the moving blade fixing screw
②
to the
extent that the moving blade
①
has the space to
move around.
ⓑ
Place the moving blade at the center of the fixed blade
⑥
and the contact area with the moving blade
⑦
, and
then tightly fasten the fixing screw
②
.
ⓒ
Loosen the collar fixing screw
④
and loosen the
tightening screw for the trimmer lever
①
as in
[Fig. 25] .
ⓓ
Place the contract area hole
⑦
of the moving blade at
the center of the fixed blade
⑥
. Make the collar with
the tightening screw
⑧
contact the upper cross-
section, and the collar with the tightening screw
④
contact the lower cross-section. Fasten the
tightening screws above and the tightening screw of
the trimmer lever
①
as in [Fig. 25].
[Fig. 40]
[Fig. 41]
①
①
①
②
②
②
⑤
③
③
③
④
④
④
<A>
<B>
<C>
<E>
<F>
<D>
②
①
⑥
②
④
⑤
⑧
③