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Jack W4 Series - Page 31

Jack W4 Series
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针板:The needle plate,机针:needle
图7
(Figure 7)
6、弯针的调整方法(The Looper Adjustment)
①、弯针与机针引量的调节
当机针在最低点时,弯针在最右点,弯针针尖到右针中心点距离为弯针与机针的引
量A(图8),详细参数见下表:
The adjustment of looper and needle citation amount adjustment
When the needle is in the bottom position, the looper is in the rightmost
position, the distance from the looper tip to the right needle central point is
the citation amount A(Figure 8) of looper and needle
标准(Standard
机型(models)
标准行程(30.8mm)
Standard movement
高行程(33.4mm)
High movement
型号(specifications)
弯针与机针引量A
citation amount A
弯针与机针引量A
citation amount A
W4-01GB×356
3.2-3.5
3-3.2

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