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 thread and bobbin thread 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
®
®
• Tension
is too tight
O Needle thread (Top thread)
(_) Bobbin thread (Bottom thread)
® To loosen
® Right side (Top s_de) of fabric
(_) Wrong side (Bottom side) of fabric
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°
° Tension is too loose
0 Needle thread (Top thread)
(_) Bobbin thread (Bottom thread)
® To tighten
® Right side (Top side) of fabric
(_) Wrong side (Bottom side) of fabric
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.
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