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Differential Feed Adjustment
The differential feed system consists of two sets of feed teeth
arranged one behind the other. Both feed teeth work
independently of each other to give perfect results when
sewing on speciality fabrics. When the amount of feed by the
front feed teeth is changed in relation to the feed by the rear
feed teeth it will "stretch" or "gather" the fabric.
Differential feed icon
Use the differential feed to prevent stretching of knit fabrics
A
B
C
and puckering of lightweight fabrics.
The differential feed is automatically set to 1.0 when any of
the stitches is selected. This is the setting for overlock
stitching on normal fabric. To adjust the differential feed,
touch + or — (the value number becomes highlighted,
indicating that the standard setting has been changed).
Normally, the seam and fabric should lay flat (A).
If the sewn fabric stretches (B), adjust the value toward 2.0.
If the sewn fabric is gathered (C), adjust the value toward 0.5.
54
6 Stitch Adjustments
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