Table of Contents
Advertisement
MACHINE BODY
1.
Needle bed
The needle
bed
guides
the
back
and
forth movement of
the
needle
and
detennlnes
the
pitch
of stitches.
2.
Combs
Th~
combs
make
sinker
loops
of
stitches and
also
make the
stitches
even.
3.
Plain needle
The
plain needle
is
moved
back
and
forth
by
the
cam
attached
to
the
carriage
In
order to make
needle loops.
4. Belt
When the
carriage
is
moved
to select
the
needle
by
the
card
,
the
belt
begins to
tum
and drive the
needle
selecting
mechanism
and
also
synchronizes the
carria~e
and
needle
selecting
timing.
S.
Needle
ltkctOI'
plate
The
needle selector
plate is
made up
of
eight
pattern
plates of the
same
design
which
are
overlapped
with an
o ffset of one
pitch.
It
causes
the
hook
of the
needle
selector
plate
to
hook the plain
needle
shunk when
the
needle
selector plate corresponding
to
an
open hole in the punched card
Is
moved
to
the
right.
6.
Outch wheel
The clutch
wheel
operates the needle
selector mechanism
and
feeds
the punched card
by
one
pitch.
7.
Rotary
cam
The
rotary
cam
Is
driven
by
the
belt
and
pushes
the card reader
(corresponding
to
an open
hole)
to
the
left.
The
cam
has
lobes
spaced
at
1/24
pitch
around
the circumference.
I
8.
Cud feediDg
cam
1
The
card
feeding
cam
is
driven
by
the rotary motion carried
from the
belt
clutch
wheeL
When
it
is
rotated
~
tum,
the card
feeding lever roUer
rolls
over
the
cam lobe,
and
thus the
card
feed
lev~
is
made
to
move
up and
down
.
9.
Cud
reader
releasinal
cam
The
card
reader
releasing
cam is
rotated
~
tum
by
the rotary
motion of the
belt
clutch wheel,
and thus the
cam lobe
comes in
contact with the
card
reader
return plate
roUer. When
the
roUer
moves around
the
cam
lobe, the
card
reader
is forced
down
by
the
card
reader
return
plate.
L
CARRIAGE
I
.
Plate cam
Three types
of
plate
cam,
A, B
and
C,
are
in
use
for
the following
purposes:
Plate cam
B
....
Raises
the plain
needle
selected
for
B
position
higher than the
comb.
Plate
cam A
....
J<eepc the
plain
needle held
upward
10
that the
needles
In
B
position are
correctly moved
by
the
feed
hook
Into
the
stitch
formed by
the
intersect·
ing plain
needlu.
~late
cam
C
....
Removes
the intersecting
plain
needle
when
the
stitch
has
moves to
the next
needle.
·
2.
Feedhook
The
feed
hook
carries the plain
needle,
which
is
raised
by
the
plate
cam,
lo
the next plain
needle.
3.
Leaf
spring
The leaf
spring keeps
the needle latch
open
and helps
the plain
Hide quick links:
Advertisement
Table of Contents
