Brother International KM-430B Network Users Manual - English - Page 4

Motor, Pulley, Speed, Standard, Tensioni

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MOTOR PULLEY AND SPEED The LK3-B430 High Speed Bar Tacking Machine is capable of high speed sewing at a maximum speed of 2,300 rpm. When changing the speed, refer to the table below and select a speed suitable to the work. In case of using chemical thread, operate the machine at 1,800 rpm to prevent thread breakage due to heat. Frequency Sewing speed (rpm) Motor Pulley (Diameter) High Speed V-Belt (Inches) Low Speed V -Belt (Inches) 50 Hz 2,300 2,000 153105-0-01 (137) 153107-0-01 (119.5) 082105-2-90 (52) 082105-2-90 (52) 082104-9-90 (49) 1,800 153109-0-01 (107.8) 082105-1-90 (51) 2,300 153101-0-01 (115.5) 082105-1-90 (51) 60 Hz 2,000 153101-0-01 (101) 082105-1-90 (51) 1,800 153108-0-01 (91) 082105-0-90 (50) STANDARD TENSIONi Sub -class Use Upper thread tension (9) Lower thread tension (g) Thread take-up spring height (mm) Thread take-up spring tension (g) Thread take-up lever stroke (mm) • Tension Measurement Upper thread tension -1 • -4 • -5 • -8 For ordinary clothes - 80 - 120 15 - 25 6 - 8 15 - 35 2 - 4 -2 • -3 • -6 For denim 180 - 220 15 - 25 8-10 150 - 220 5 ----f i I --, -7 • -9 For knitted clothes 110 - 150 15 - 25 6- 8 20 - 40 1 - 2 Lower thread tension Thread take-up spring height C Start the machine, and measure as shown above. Thread take-up spring tension Measure as shown above. Thread take-up lever stroke 5mm J 0 I _ffp Start the machine and measure distance from thread take-up spring to thread take-up lever. Measure it when thread take-up spring is lower to thread take-up lever. Measure distance from lever position when machine is started to its stop position.

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MOTOR
PULLEY
AND
SPEED
The
LK3-B430
High
Speed
Bar
Tacking
Machine
is
capable
of
high
speed
sewing
at
a
maximum
speed
of
2,300
rpm.
When
changing
the
speed,
refer
to
the
table
below
and
select
a
speed
suitable
to
the
work.
In
case
of
using
chemical
thread,
operate
the
machine
at
1,800
rpm
to
prevent
thread
breakage
due
to
heat.
Frequency
Sewing
speed
(rpm)
Motor
Pulley
(Diameter)
High
Speed
V
-Belt
(Inches)
Low
Speed
V
-Belt
(Inches)
50
Hz
2,300
153105-0-01
(137)
082105-2-90
(52)
082104-9-90
(49)
2,000
153107-0-01
(119.5)
082105-2-90
(52)
1,800
153109-0-01
(107.8)
082105-1-90
(51)
60
Hz
2,300
153101-0-01
(115.5)
082105-1-90
(51)
2,000
153101-0-01
(101)
082105-1-90
(51)
1,800
153108-0-01
(91)
082105-0-90
(50)
STANDARD
TENSIONi
Sub
-class
-1
•
-4
•
-5
•
-8
—2
•
—3
•
—6
—7
•
—9
Use
For
ordinary
clothes
-
For
denim
----
f
i
For
knitted
clothes
I
Upper
thread
tension
(9)
80
-
120
180
-
220
--,
110
-
150
Lower
thread
tension
(g)
15
-
25
15
-
25
8-10
15
-
25
Thread
take-up
spring
height
(mm)
6
—
8
6
-
8
Thread
take-up
spring
tension
(g)
15
-
35
150
—
220
20
—
40
Thread
take-up
lever
stroke
(mm)
2
—
4
5
1
—
2
•
Tension
Measurement
Upper
thread
tension
C
Start
the
machine,
and
measure
as
shown
above.
Thread
take-up
spring
tension
Measure
it
when
thread
take-up
spring
is
lower
to
thread
take-up
lever.
Lower
thread
tension
Measure
as
shown
above.
Thread
take-up
lever
stroke
5mm
I
J
0
Measure
distance
from
lever
position
when
machine
is
started
to
its
stop
position.
Thread
take-up
spring
height
_ffp
Start
the
machine
and
measure
distance
from
thread
take-up
spring
to
thread
take-up
lever.