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Prepare the Top Thread (Continued)
• Adjust the Top Thread Tension
Top side of fabric
Top
Setting mark
Tigh|en_ --_
J %. J
For Straight Stitch
The ideal straight stitch will have threads locked between the two layers of fabric,
as shown above, magnified to show detail.
If you look at the stitch, front and back, you will notice that there are no gaps, that
each stitch is smooth and even.
When adiusting 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 el stitch
f
The top ihread
_S leo loose.
Top side
off
The lop thread
appears on Ehe
underside ot the
labr_c
Tension is too loose:
The top thread shows through the
bottom of the fabric. The bottom side
of the stitch wilt feel bumpy.
The lop thread
Is leo lighl
The bobbin Ihread
appears On _he
upper st_ri'ace of the
fabric.
Tension is too tight:
The bobbin thread will come through
the top el the fabric. The top side of
the stitch will feel bumpy.
3O
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