5) Positioning adjustment of welting patch folding plate
6) Adjustment of parallelism of welting patch folding
5)
Positioning adjustment of welting patch folding plate
6) Adjustment of the parallelism of welting patch folding
Standard Adjustment
Sewing machine needle
Left folding plate
1.5 to 2.0mm
Position of 220mm movement
Right folding plate
1.5 to 2.0mm
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