Machine used high sensitivity optical fiber sensor. Automatic sewing without manual step On/Off.

自动缝纫，采用高灵敏度光纤传感器自动启动缝纫机，无需脚踩开关。

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This paper introduced the basic principle of air vortex spinning and laid stresses on curl flow field in the air vortex twister, and the collecting and taking off of link fiber in air vortex spinning.

介绍了涡流纺纱的基本原理，对涡流加拈器中旋转流场的形成、纤维环的凝聚与剥取做了重点阐述。

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