Siruba 700KST, Instruction Book, Page: 20 / 62

差動比調整
ADJUST THE DIFFERENTIAL
FEED RATIO
若主送具之運動行程大於差動送具運動行程
時，布料車縫時會伸張，反之則會收縮。
1.
調整方法一：
放鬆調整鈕①，當調整桿②向下調整時使布料
收縮，反之則伸張，調整後再鎖調整鈕①。
(
圖
19)(
表
3)
If the stroke of the main feed dog is larger
than the stroke of the differential feed dog,
the fabric will be extended while sewing.
Otherwise, it will be shrunk
1.Adjust solution 1:
Loosen the adjusting nut
①
. Adjust the
adjusting rod
②
downward will shrink the
fabric, whereas move it upward will extend the
fabric. Tighten the adjusting nut
①
after the
adjustment finishes. (Fig.19)(Table3)
圖
18 / Fig. 18
P14
①
最大差動比
Maxi Diff ratio
機種
Machine type
皮帶輪刻度
Pulley scale
1 2 3 4 5 6 7
1:1.3
包邊
Serging 0.8 1.5 2.2 2.9 3.6 4.3 5
1:2
接縫
Seaming 0.6 1.13 1.66 2.19 2.72 3.25 3.8
1:3
摺縫
Shirring 0.6 1.03 1.46 1.89 2.32 2.71 3.2
1:4
特規
Special 0.6 1.02 1.44 1.66 2.88 2.7 -
表
2 / Table2