2.试缝
2.试缝
Test Sewing
2-1.压脚压 力的调节
Adjusting the presser foot pressure
压 脚 压 力 的 调 节 可 旋 转 螺 帽 进 行 调 节 。 在 送 布 状 态
良 好 并 能 取 得 均 匀 针 脚 的 范 围 内 ， 尽 可 能 使 用 较 弱
的压力为好。
2-2.差动比 的调节
正确的 差 动比调 节:先放 松 调节螺 母，上 下 移动杠 杆
扳手位置，在调整好后再拧紧调节螺母。
Loosen the nut and move the lever up and down to
obtain the correct differential feed ratio． Tighten the
nut after positioning the lever as desired．
持续压下按钮并转动皮带轮使钮卡住，再转动皮带轮
至所需之针距后放开按钮。
注：针脚长度的调节务必请在调节差动比之后进行。
Turn adjusting screw to adjust the presser foot
pressure．It should be as light as possible，yet be
sufficient to obtain the proper stitch formation.
Adjusting the diff feed ratio
2-3.针脚长 度的调节
Adjusting the stitch length
While pressing the push button，turn the handwheel
to seek the position at which the push button goes
further into the depth．
Then，keeping the push button pressed，turn the
handwheel and set the desired scale to the aligning
mark．
Note：Stitch length adjustment must only be made
after the differential feed ratio has been changed．
Test Sewing
5
弱
Light
强
Heavy
变大
Coarse
变小
Fine
伸展
收缩
To stretch
To shrink
按钮
Push Button
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