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Prepare the Top Thread (Continued)
= Adjust theTop Thread Tension
Top side of fabric
Top
-.
_
_..
,,_,
For Straight Stitch
The ideal straight stitch wilt have threads locked between the two layers of fabric,
as shown above, magnified to show detail.
If you look at the stitch, trent and back, you will notice that there are no gaps, that
each stitch is smooth and even.
When adjusting top thread tension, the higher the number, the tighter the top
thread.
Choose the Correct Tension:
The best tension will depend on;
--
the stiffness and thickness of the fabric
the number of fabric layers
--
the type ot stitch
f
The top thread
_s leo loose.
The lop lh_ead
appears
on the
underside
raJthe
labnc.
Tension is too loose:
The top thread shows through the
bottom of the fabric. The bottom side
of the stitch wilt feet bumpy.
The top thread
_s toe tight
The bobbin
thread
appears
on the
upper senate
oJ Ihe
labr{c,
Tension is too tight:
The bobbin thread will come through
the top of the fabric. The top side et
the stitch wilt fee_bumpy.
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