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详细说明 |
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压脚压力采用微调装置，压力调节螺钉设有刻度，更加方便操作。
Add fine adjust device for the pressure of foot,without dial on the adjustable screw, more convenience for operation. |
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采用双凸轮切换装置，只须扳动切换扳手就可以实现，在一台机器上进行二点和四点两种线迹的切换，使凸轮的使用寿命延长，更加经久耐用。
Added two cams changing device,can easily switch between one step two points and three steps four points only pulling the changing spanner.At the same time,with automatic compensatory mechanism, can make the cams long life. |
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采用了带有参考线和锁紧装置的调节控制杆，使调节之字缝的线迹更加简单方便
Adopt, the adjustable control rod that with reference line and locking device,more easily for adjusting Z stitch. |
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加宽同步齿形轮结构，有效地防止同步齿形带跳齿，同时使机器噪音大大降低，缝纫性能更加稳定。
Widen synchronized gears structures to avoid jumping gears, also reducing noise .More stable sewing performance. |
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