特点：

无忧的面料系统：有效且强大的三同步送布系统,超大的交替压脚冲程和压脚提升高度；理想的线迹构成和紧密不变的线迹,即使是中粗的缝线和中厚的面料；超大垂直旋梭和超大容量的梭芯使缝纫循环周期增长,明显减少更换梭芯次数,即使是使用中粗的缝线；由于在机头下面有大面积的工作空间,方便处理大幅宽的物料。
用途：适用于皮革、合成革、帆布、帐篷、尼龙化纤、合成材料、橡胶面料等特殊极厚素材；适用缝制船帆帐篷、坐垫、家具沙发、遮阳伞、卡车篷罩等大型特殊极厚料产品。
Characteristics：
Trouble-free material feed: efficient and powerful triple feed,high top feed stroke and high clearance under the alternating sewing feet；Excellent stitch pattern and constantly tight stitches,even when processing thick threads and heavy-weight material；Long sewing cycles without bobbin changes due to oversize vertical hook with high bob-bin capacity,even in case of thick threads；Unhindered handling of large-area,bulky workpieces owing to the large clearance under the sewing head.
USES:For sewing extra heavy weight materials such as leather,sofa,canvas,vinyl,synthetiics,ａnd various coated,laminated and rubberrized fabric.Suitable for sewing such as tents,tarps,awnings,truck covers,auto marine and furniture upholstery,field covers,fabric structures and heavy bulky products.