The returning force of the thread take-up spring is insufficient.
挑线弹簧的回复力过强。
Decrease the tension and increase the stroke of the thread take-up spring.
调弱挑线弹簧的张力，调大动作行程。
The patented looper thread take-up put on the front of body, to clean the winding and adjustment easily.
前置式底线分线盘：专利底线分线盘外置于机体前侧，可轻易清除绞线、调整容易。
The patented looper thread take-up put on the outside of body, to clean the winding and adjustment easily.
前置式底线分线盘：专利底线分线盘外置于机体前侧，可轻易清除绞线、调整容易。
The thread take-up lever of super durability ensures highly efficient performance of work in low noise with little vibration during high speed sewing.
由于挑线杆具有优良的高速耐久性，即使在高速缝纫状态下也能确保低震动、低噪音、高效率。
To use the patent of "DIRECTLY driving THIRD SHAFT CONNECTING TYPE" mini servomotor join with looper thread pith-up which offer you more sensitive driving and take-up.
第三支传动轴外接直驱微型伺服小马达运动底线分线盘：采用专利研发第三支传动轴外接直驱微型伺服小马达运动底线分线盘，使得驱动更灵敏、分线时间更正确。
To use the patent of "DIRECTLY driving THIRD SHAFT CONNECTING TYPE" mini servomotor join with looper thread pith-up which offer you more sensitive driving and take-up.
第三支传动轴外接直驱微型伺服小马达运动底线分线盘：采用专利研发第三支传动轴外接直驱微型伺服小马达运动底线分线盘，使得驱动更灵敏、分线时间更正确。
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