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Figure 7-1
2、松开紧定螺钉，左右移动针线操作器，如图 2 所示，把针线操作器边缘到摆动
挑线杆轴的中心调整至 80mm，然后拧紧紧定螺钉，针对不同布料时可通过调节
针线操作器边缘到摆动挑线杆轴的中心的距离来调节挑线量，针线操作器边缘到摆
动挑线杆轴的中心的距离加大，挑线量减小，针线操作器边缘到摆动挑线杆轴的中
心的距离减小，挑线量加大（图 8-2）。
2、Release set screw，shuffling the needle thread operator，showed by
figure 8-2，change the distance between margin of needle thread
operator and center of shuffing release pole rod to 80mm, then tight the
set screw. For various type of fabric, we can adjust the thread taking up
length by change this distance. The distance between margin of needle
thread operator and center of shuffing release pole rod increase, the
thread taking up length decrease. Also, the distance decrease, the thread
taking up length increase.
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