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現 象
Troubles
6. 縫跡鼓起
6. Stitches float
7. 鎖眼綻出
7. Stitch skipping
8. 線綻開
8. Thread frays.
9. 縫製結束上線留線過長
9. Length of needle thread
remaining at the end of
sewing is too long.
10. 始縫時上線斷線，或背面
線跡不好看
10. Needle thread breaks at
the start of sewing, or the
wrong side of seam is bad.
11. 切上線但切刀不下落
11. Knife drops even when
needle thread is cut.
12. 斷針
12. Needle breaks.
13. 切刀下落數次
13. Knife drops plural times.
P82
原 因
Causes
1. 底線張力過弱。
2. 底線從梭殼脫出來。
1. Bobbin thread tension is too low.
2. Bobbin thread comes off bobbin case.
1. 鈕扣孔比壓腳小。
2. 縫製薄料時皺縮。
3. 機針安裝不好。
4. 機針彎曲。
5. 旋梭尖部有毛刺和傷痕。
1. Button hole is small in terms of the size of presser.
2. Material flops because of light-weight.
3. Attaching needle is wrong.
4. Needle is bent.
5. There is a burr or scratch on the blade point of
hook.
1. 固定縫針數少。
2. 固定縫寬度太寬。
1. Number of stitches of tie stitching is too less.
2. Width of tie stitching is too wide.
1. 固定縫寬度過窄。
2. 固定縫張力過弱。
1. Width of tie stitching is too narrow.
2. Tension of tie stitching is too low.
1. 始縫張力過弱
1. Tension at the start of sewing is too low.
1. 切線檢測板的調整是否良好？
1. Check whether the thread breakage detector plate
is properly adjusted.
1. 機針是否彎曲？
2. 機針和旋梭尖是否相碰？
3. 上線切刀張開時是否碰機針？
4. 機針是否落入針板孔的中心？
5. 機針的停止位置過低，上線切線刀閉合時
是否碰機針？
1. Check whether needle is bent.
2. Check whether needle comes in contact with the
blade point of hook.
3. Check whether needle thread trimmer comes in
contact with needle when it opens.
4. Check whether needle comes in the center of the
needle hole of throat plate.
5. Needle stop position is too low and needle comes
in contact with needle thread trimmer when it
closes.
1. 切布刀是否設定成數次？
1. Check whether the cloth cutting knife dropping is
set to plural dropping.
處理對策
Corrective measures
• 加強底線張力。
• 重新正確地穿梭殼線。
• 底線捲繞量繞得不要過多。
• Increase the bobbin thread tension.
• Perform proper threading the bobbin
case.
• Take care that the winding amount of
bobbin thread is not excessive.
• 把壓腳更換成較小的。
• 推遲機針和旋梭的同步時間。
（把針杆下降 0.5mm 左右）
• 重新調整機針的朝向、高度等。
• 更換機針。
• 用銼刀銼平梭尖或更換旋梭。
• Replace the presser with a smaller one.
• Delay the hook-to-needle timing.
(Lower the needle bar by 0.5 mm.)
• Adjust again the direction, height, etc.
• Replace the needle.
• Buff the blade top of hook. Or, replace
the hook.
• 增加縫製結束的加固縫針數。
• 弄窄縫製結束的加固縫寬度。
• Increase the number of stitches of tie
stitching at the end of sewing.
• Narrow the width of tie stitching at the
end of sewing.
• 弄寬縫製結束的加固縫寬度。
• 加大縫製結束的張力。
• Widen the width of tie stitching at the end
of sewing.
• Increase tension at the end of sewing.
• 加強始縫張力。
• Increase tension at the start of sewing.
• 調整檢測板（參照服務手冊）
• Adjust the detector plate.
(Refer to the Engineer's Manual.)
• 更換機針
• 調整機針和旋梭的同步時間
• 調整上線切刀的安裝位置
• 重新調整針板座的安裝位置
• Replace the needle.
• Adjust the needle-to-hook timing.
• Adjust the installing position of needle
thread trimmer.
• Re-adjust the installing position of throat
plate base.
• 接觸數次的設定。
• Release the plural time setting.
頁
Page
P .14
P .14
P .28
P .14
P .14
P .28
-
P .66
P .13
-
-
-
P .66
P .13
-
-
P .43
P .43
P .43
P .43
P .43
P .62
P .43
P .62
P .42
P .42
-
-
P .13
P .66
P .68
-
P .13
P .66
P .68
-
P .58
P .58
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