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Jack W4 Series - Page 30

Jack W4 Series
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5、机针高度调整(Needle height adjustment)
首先调整机针与针板的间隙,保证机针与针板的间隙均等,调整机针高度,机针运
行到最高点,针板到左针针尖的高度为H(图7),H参数如下表:
Adjust the gap between needle and needle plate, make sure the gap is
equal; then adjust the needle height, when the needle is in the highest
position, the distance H between needle plate and the left needle is like
the following sheet(Figure 7)
标准(Standard
机型(models)
标准行程(30.8mm)
Standard movement
高行程(33.4mm)
High movement
型号
(specifications)
左针高度H
Left needle height H
左针高度H
Left needle height H
W4-01GB×356
8.5
9.7
W4-01GB×364
8.1
9.3
W4-02BB×356
8.5
9.7
W4-01BB×364
8.1
9.3
W4-05CB×356
8.5
9.7
W4-05CB×364
8.1
9.3

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