SECTION 2. PREPARE THE MACHINE FOR SEWING
Adjust the Top Thread Tension
Choose the Correct Tension:
Top side of fabric | The best tension will depend on; |
Setting mark
the stiffness and thickness of the fabric
Top
_hread
The top thread is too loose.
BobbinTighten
The top thread
is too tight
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 adjusting top thread tension, the higher the number, the tighter the top thread.
o%°
The top | thread | The | bobbin | thread | |
appears | on the | appears on | the | ||
underside | of the | ||||
upper | surface of the | ||||
|
| ||||
fabric. | fabric. |
|
Tension is too loose:Tension is too tight:
The top thread shows through the The bobbin thread will come through bottom of the fabric. The bottom side the top of the fabric. The top side of
of the stitch will feel bumpy, | the stitch will feel bumpy. |
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