The Relationship Between Needle And Looper - Siruba 700QD Instruction Book

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3. 輔 助 送 布 齒 高 度
輔助 送 具 , 其 齒面比 送布 齒齒 面 低0.3
~ 0.5mm , 可放 鬆 螺絲
34)
針 與勾 針 之 關係
1. 針 與 上 勾 針 之 關係
當 上 勾 針 移 至 最左 時, 勾 針尖端 與針 中
心距 約4.4 ~ 4.7mm , 雙 針時 其 左針 中
心與 勾 針尖 端 距約5.4 ~ 5.7mm 。(圖35)
3.Adjust the auxiliary feed dog height.
The teeth side of the auxiliary feed dog
0.3 ~ 0.5mm lower than the feed dog. The
來 調 整。(圖
height can be adjusted by loosening the
screw
THE RELATIONSHIP BETWEEN
NEEDLE AND LOOPER
1.The relationship between the needle and the
upper looper
When the upper looper moves to the leftest
point, the distance from the looper tip to the
middle line of the needle is 4.4 ~ 4.7mm. For
double needles model, the distance from the
looper tip to the middle line of the left needle
is 5.4 ~ 5.7mm.(Fig.35)
-31-
Introduction
圖33/Fig. 33
.(Fig.34)
圖34/Fig. 34
is
P31

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