Adjust The Differential Feed Ratio - Siruba 700L Original Instructions Manual

差動比調整
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：
為放鬆調整鈕 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 25)( 表 3)
刻度 Scale
差動傳送比
Differential feed ratio
2. 調整方法二 :
(1) 鬆開螺絲 ③ 並從機台後方移開外蓋 ④。
(2) 鬆開螺帽 ⑤ ，上下移動連桿 ⑥
欲增加差動比，把連桿⑥往 ( ＋ ) 方向移動
欲減少差動比，把連桿⑥往 ( － ) 方向移動。
(3) 在調整過後，把外蓋 ④ 放回機台後方並鎖
回螺絲③。( 圖 26)
P24
1
1:1.3 -
1:2 1:0.7
1:3 1:1
1:4 1:1.1
表 3/ Tab.3
ADJUST THE DIFFERENTIAL
FEED RATIO
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.25)(Tab.3)
2 3
1:0.7 1:0.9
1:1 1:1.14
1:1.5 1:2
1:1.6 1:2.3
伸張 Stretch
收縮 Shrink
2.Adjust solution 2:
(1)Loosen the screw ③ and remove the cover
④ from the rear side of the machine bed.
(2)Loosen the nut ⑤ , and move the
connecting rod ⑥ upward and downward.
To increase the differential feed ratio, move
the connecting rod ⑥ to (＋) direction. To
decrease it, move the connecting rod ⑥ to
(－).
(3)After adjusting, put the cover ④ back to
the rear of the machine bed and tighten the
screw ③.(Fig.26)
4 5
1:1.1 1:1.3
1:1.17 1:2
1:2.5 1:3
1:2.3 1:3.3
圖 25 / Fig. 25
圖 26 / Fig. 26