Adjust The Differential Feed Ratio - Siruba 700QD Instruction Book

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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:
放鬆 調 整鈕 , 當調 整桿
使布 料收 縮, 反之則 伸張, 調 整後 再鎖
調整鈕 。(圖25)
刻度 Scale
差動傳送比
Differential feed ratio
P24
向 下調 整 時
3
(表 )
1:1.3
1:2
1:3
1:4
表3/Table3
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
adjusting rod
downward will shrink the
fabric, whereas move it upward will extend
the fabric. Tighten the adjusting nut
the adjustment finishes. ( Fig.25)(Table3)
1
2
3
-
1:0.7
1:0.9
1:0.7
1:1
1:1.14
1:1
1:1.5
1:2
1:1.1
1:1.3
1:2.3
-24-
thick
thin
圖24/Fig. 24
. Adjust the
after
4
5
1:1.1
1:1.3
1:1.17
1:2
1:2.5
1:3
1:2.8
1:3.3

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