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Unicorn LS2-H550 User Manual

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기구 설명 / M ECHANICAL DESCRIPTION
3. / Needle and bobbin thread trimming
(1) 늘이 최하점에서 2.0mm , 마칼끝은 늘에 (2) 사절신호가 들어가 사절캠에 의해 동칼이 이동
루프를 립니다. (후물사양 2.2mm)
니다. 윗실은 가마에 내가마를 져나갑니다.
(1) When the needle rises 2mm(2.2mm with thick materials) (2) When the thread trimmer signal is turned on, the
above its lowest position, the rotary hook point catches thread trimmer clutch drives the movable knife. The
the loop formed by the needle. needle thread is caught by the rotary hook and fed
around the shuttle body.
(3) 이동칼선단 마칼끝에 의해 침판하
형성된 삼각루프 들어가,
윗․밑실 실처리를 합니다.
하점에서 상승한 위치이
(상축회전각 약330˚) 윗실은 이동칼
분리됩니다. 이상
타이밍빨라도 절칼의 처리에
.
(3) The movable knife tip enters and spreads the triangular loop formed by the rotary hook point under the needle plate.
At this point, the thread take-up is raised slightly above its lowest position(the upper shaft has turned approximately
330˚), and the needle thread is spread by the movable knife as shown in the figure above. If the timing of the
movement is too early, the loop will not be spread properly, and the thread may not be trimmed as a result.
4) (3) 동칼에 포착
. ,
.
.
(4) The needle and bobbin threads caught by the movable knife in step(3) are gradually spread by the movable knife
and lower thread finger to be cut by the fixed knife tip. At this time, the needle thread take-up approaches the top
of its stroke. When the movable knife is spreading the needle thread, the tension release relieves the needle thread
tension to prevent excessive tension and to enable the needle thread to be extended smoothly.
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Unicorn LS2-H550 Specifications

General IconGeneral
BrandUnicorn
ModelLS2-H550
CategorySewing Machine
LanguageEnglish

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