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5.
线张力
/
Thread tension
(
1
)
Thread take-up spring (purl stitch )
1) The thread take-up amount of thread take-up spring is 8 to 10mm, and the appropriate pressure at the start is
approximately 0.06 to 0.1N.
2) To change the stroke of the thread take-up spring, loosen screw , insert a thin screwdriver into the slot of
thread tension post
, and turn it.
3) To change the pressure of the thread take-up spring, insert a thin screwdriver into the slot of thread tension post
while screw is tightened, and turn it. Turning it clockwise will increase the pressure of the thread take-up
spring.
Turning it counterclockwise will decrease the pressure.
(
2
)
Adjusting the thread take-up amount of the thread take-up lever
The thread take-up amount of the thread take-up lever should be adjusted in accordance with the thickness of the
sewing products so as to obtain well-tightened stitches.
a.
For heavy-weight materials, loosen setscrew in thread guide
,
and move the thread guide to the left
the thread take-up amount of the thread take-up lever will be increased.
b.
For light-weight materials, move thread guide to the right. The thread take-up amount of the thread
take-up lever will be reduced.
(
1
)挑线弹簧(直锁眼缝)
1)
挑线弹簧 的挑线量为
8
~
10mm
,开始
强度
0.06
~
0.1N
左右较为适当。
2)
改变挑线弹簧的动作量时
,
请拧松螺钉
,
把螺丝刀插到线张力杆 的缺口部转动调
节。
3)
改变挑线弹簧的强度时,请在螺钉 拧紧
的状态下,把螺丝刀插到线张力杆 的缺口
部转动调节。向右转动之后,挑线弹簧的强
度变强,向左转动之后,强度变弱。
(
2
)挑线杆挑线量的调整
挑线杆挑线量,根据布料的
厚度进行调节。
a.
缝制厚料时,拧松右线勾 的
固定螺钉 ,向左移动右线勾。
b.
缝制薄料时,把右线勾 向右
移动。挑线杆的挑线量变少。
24
Summary of Contents for 5780BS
Page 4: ...3 Standard sewing shape list 3...
Page 5: ...3 Standard sewing shape list 4...
Page 20: ...V 1 1 1 2 1 3 2 1 2 2 3 4 0 05mm 3 0 0 2mm 19...
Page 31: ...1...
Page 34: ...4...
Page 37: ...7...
Page 39: ...47 10009074 SCREW M4 L 4 2 48 10052927 NEEDLE CONNECTING ROD ASSEMBLY 1 9...
Page 40: ...10...
Page 42: ...12...
Page 45: ...15...
Page 47: ...17...
Page 50: ...20...
Page 53: ...23...
Page 55: ...25...
Page 57: ...27...
Page 58: ...28...