用途：
適用于縫制厚料，各種管狀制品，袋類、鞋類、護(hù)腕、護(hù)膝、沖浪衣等運(yùn)動(dòng)用品，以及多種材料的無縫合片，特別是加工難度高的材料，如表面滑溜、帶粘性、有伸縮性、皮革及多屑材料等。

特點(diǎn)：
1、圓管直徑：40mm 圓管長(zhǎng)度：230mm
2、采用雙壓腳上下同步送料，可確保工件平整，縫目均勻美觀。
3、倒縫扳手設(shè)于左前角，可用右肘操作，解決無第三手操作的困擾。
4、全新改良的密封式背脊，完全阻斷泄油現(xiàn)象。
5、可選的3點(diǎn)或4點(diǎn)人字車可以增強(qiáng)縫制部分的縫力。

applications：
suitable for sewing thick material, various irregular-shaped or tubular products and various material of seamless sewing , especially the materials that is difficult to process, such as surface smooth, adhesive, flexible, leather and clastic materials etc.

features：
1、cylinder dia:40mm; cylinder length:230mm
2、adopt double presser foot with upper & lower feed that make the stitching neat and beautiful.
3、designed reverse feed lever on left side, easy for operation.
4、the new improved sealed ridge can completely prevents oil spilling.
5、optional 2-step or 3-step zigzag sewing machine can enhance the sewing firmness.