Instruction manual

15
Feed ratio Main feed (rear) Differential feed (front) Effect Application
0.7 – 1.0
Material is pulled
tight.
Prevents thin
materials from
puckering
1.0
Without differential
feed.
Normal sewing
1.0 – 2.0
Material is gathered
or pushed together.
Prevents stretch
materials from
stretching or
puckering
送料比例 主送料（后部） 差动送料（前部） 效果 应用
0.7 – 1.0
布料已拉紧。 防止薄布料褶皱
1.0
无差动送料。 正常缝制
1.0 – 2.0
布料褶皱或推在一
起。
防止伸缩布料拉伸或
褶皱