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Unicorn DB2-H515 - 사절후윗실잔사량조절법;Adjusti N G the Trail I Ng; Length after Thread Trimming; Adjusting the Presser Foot Pressure

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7-2. / Adjusting the trailing length after thread trimming
리텐션
.
사절 이밍 실의 장력 느슨해야 되며,
.
절시 실의 적절 잔사의 량은 35-40㎜
.
만일 리텐션①증가되면 바늘에 남아
줄어들며, 프리텐션장력감소
납니다.
Adjust by turning the pretension
.
At the time of thread trimming, the thread tension
loosened and tension is applied by the pretension
only.
The standard trailing length for the upper thread is a
35-40.
If the length of the pretension is increased, the
length of the thread trailing from the needle tips will
be reduced. if the tension is reduced, the lengths will
increased.
7-3. / Adjusting the presser foot pressure
노루발 압력 부드러운 좋다. 러나
끄러지지 도로는 충분히 강해한다.
1. 절너트①다.
2. 조절나사돌려가며 노루발 압력조절한다.
3. 조절너트체결한다.
The presser foot pressure should be as weak as
possible, but strong enough so that the material
does not slip.
1. Loosen the adjustment nut.
2. Turn the adjustment screw to adjust the presser
foot pressure.
3. Tighten the adjustment nut.
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