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Adjust the Needle Thread Tension for Straight
Stitch
- Correct tension
_'_ Needle thread (Top thread)
Bobbin thread (Bottom thread)
To loosen
To tighten
The ideal Straight stitch has threads locked between
two layers of fabric, as illustrated (magnified to show
detail).
If you look at the needle and bottom of a seam,
notice that there are no gaps. Each stitch is smooth
and even.
When adjusting needle thread tension, the higher the
number, the tighter the top thread tension.
Results depend on;
stiffness and thickness of the fabric
number of fabric layers
type of stitch
e Tension is too tight
O Needle thread (Top thread)
Bobbin thread (Bottom thread)
(_) To loosen
(_ Right side (Top side)
_) Wrong side (Bottom side)
The bobbin thread shows through on the right side
of the fabric and it feels bumpy. Turn the dial to a
lower tension setting number to loosen the needle
thread tension.
e Tension is too loose
O Needle thread (Top thread)
(_) Bobbin thread (Bottom thread)
(_) To tighten
The needle thread shows through on the wrong side
of the fabric and it feels bumpy. Turn the dial to a
higher tension setting number to tighten the needle
thread tension.
26
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