Bernette b44 - Differential Feed for Soft Fabrics

11
bernette OVERLOCKER WORKBOOK
With the overlocker still threaded for a 4-thread overlock
stitch and using thread colors to match the color-coded
threading path on the machine, adjust all thread tension
settings as indicated in the chart below or as previously
determined.
1.
Place the tricot pieces right sides together. With
the differential set at 1 (normal), stitch along the 6"
side of the soft fabric together along one 6” edge,
trimming about 1/4" off the edge. When sewing on
very lightweight fabric, you may notice that you have a
puckered edge.
2.
To correct this, adjust the Differential Feed to 0.6. Sew
along the other 6” edge, trimming about 1/4" from the
edge of the fabric.
3.
Mark the differential settings on the fabric sample.
4. Return Differential Feed Dial to its normal setting of 1.
DIFFERENTIAL FEED: SOFT FABRICS
Lightweight tricot, two 4" x 6" pieces
80/12 ELx705
4 Spools Serger Thread (B, R, G, Y)
4-Thread Overlock Stitch
Standard
Differential
1 (normal)
Puckering may occur on
lightweight fabrics
Differential
0.6 mm
to correct puckering
thread tension setting machine setup
Left
NeedLe
Right
NeedLe
UppeR
LoopeR
LoweR
LoopeR
Stitch
LeNgth
cUttiNg
width
diffeReNtiaL
feed
RoLLed hem
LeveR
4 4 4 4 2�5 6 1-.6 N