特點characteristics:

采用升降式送料牙；交替壓腳，此機構在額定范圍內的任何長度針距下，縫紉滑性、粘性縫料及特長制品時，都能保持上下層不位移，使制品整齊，線變美觀；連桿挑線機構使主軸轉速　得以提高，減輕了聲——保證了整機質量，延長了使用壽命。

the lifting type feeding teeth; alternating foot, this mechanism in a nominal range of any length away from the needle, sewing smoothness, viscous material and specialty products, to maintain the upper and lower without displacement, so that products and tidy, beautiful lines; link take-up mechanism so that the spindle speed is improved, reducing sound -- ensuring the quality of machine, prolongs the service life.

適用范圍application range:

適用于集裝袋、皮革、帳篷、帆布、等粗線厚料制。

applicable to bulk bag, leather, canvas, tent, thick thread thick material system.