SunStar KM-1170BLX, User Manual

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4.11) Adjusting Parameter of Sub Thread Adjusting Device
- The default value of A-95 is “0”.
Parameter No. Set Value Function Name
A-95
0
Press the sub thread tension operation switch to operate second thread tension
adjusting device
②
when stitching and using main thread tension adjusting device
①
then the plate of the device ② is closed and the lamp is on at the same time.
After trimming, the sub thread tension switch is automatically turned off.
In the case where A-95’s parameter is set at “1”, the lamp of the sub thread tension
switch is on, and the sub thread adjusting device ② is running like the main thread
adjusting device
①
.
In this case, even after trimming, the sub thread tension switch is not automatically
turned off.
In order to release the tension of the sub thread adjusting device
②
, press the sub
thread tension switch to turn it off.
[Fig. 4-30]
4.12) How to Use Dual Tension
1) Main Thread Adjusting Device
- Adjust tension of the main thread adjusting device
①
in line with the main sewing material conditions.
- Adjust the main thread adjusting device
①
and the tension of the lower thread in order to create loops at the
center of the sewing material at even stitch length.
2) Sub Thread Adjusting Device
- The sub thread adjusting device
②
enables users to easily increase the tension of the upper thread according to
the sewing material height difference and conditions.
For two-needle model, if a dual tension individual operating type (optional) is used, the left and right tension of
the upper thread can be independently adjusted while sewing materials with height difference on the left and
right sides.
- The sub thread adjusting device
②
should be adjusted in line with the tension of the main thread adjusting
device
①
and the conditions of sewing materials with height difference.
3) Operating Main
·
Sub Thread Adjusting Devices
- The main
·
sub thread adjusting devices
①, ②
are run by pneumatic pressure. In particular, the sub thread
adjusting device
②
can be turned on and off easily with functional switches.
- The sub thread adjusting device can be left, right independently run as an optional function. The left, right
function switches can be used to turn on and off the tension.
- During sewing, when the sub thread adjusting device or the left, right sub thread adjusting device in terms of
independently running type is pressed, the lamp is turned on and at the same time the tension of the upper thread
increases. When the button is pressed again, the lamp is turned off, and the tension of the upper thread
decreases.
Sub thread adjusting device②
Main thread adjusting device①
(Thread adjusting device for 1 needle) (Thread adjusting device for 2 needles)
1