上袖、织带拉链三合一、织带嵌条三合一 合缝、压下摆、 压止口、上拉链等

Sleeve, webbing zipper 3 in 1, webbing 3 in 1 Sew, press hem, press stop, zip up, etc

高转速：4000转/分

最大线迹长度：4mm

针杆行程：31.8mm 

压脚提升：手动≥5mm膝控≥13mm

机针：DB*1

旋梭：自动润滑剪线用旋梭

送料方式：采用送料压脚和2个下牙齿复合送料，上送布量可调

送料压脚送布量：8mm

送料压脚提升量：2.5mm-5mm

上差动送料差动比：顺差≥4：1（2.5以下针距），逆差≤2：1 ：下差动送料比：缩缝1：1.5，伸长缝1：0.5

上差动送料用电机驱动，按键调节

下差动送料用电机驱动，按键调节

具备一键切换上下差动量

可调整上差的分段针数和分段差动量，可以设定15段差动量

剪线方式：旋转切刀

High rotational speed: 4000 revolutions per minute 

Maximum trace length: 4mm 

Pin stroke: 31.8mm 

Foot press lift: Manual ≥5mm, knee control ≥13mm 

Machine needle: DB*1

Rotary shuttle: An automatic lubricating rotary shuttle for wire cutting

Feeding method: It adopts a feeding press foot and two lower teeth combined feeding, and the upper feeding amount is adjustable

Feeding pressure foot fabric feeding capacity: 8mm 

Feeding foot lift: 2.5mm - 5mm

Upper differential feeding differential ratio: Surplus ≥ 4:1 (for needle pitches below 2.5), deficit ≤ 2:1 The lower differential feeding ratio: shrinkage seam 1:1.5, extension seam 1:0.5

The upper differential feeding is driven by a motor and adjusted by buttons

The lower differential feeding is driven by a motor and adjusted by buttons

It is equipped with one-click switching of the upper and lower difference momentum

The number of segmented needles and the momentum of the segmented difference can be adjusted, and the momentum of the segmented difference can be set to 15

Wire cutting method: Rotary cutter