Differential Feed - Bernina Sergers Owner's Workbook

Mastering
BERNINA
®
Sergers
Your
BERNINA
®

Differential Feed:

Fabrics that Stretch
Notes
Fabric ................................... 3 pieces of ribbing, each 5" wide x 2" long
Needle ............................................................................. 80/12 Universal
Thread ...............................................................4 cones of serger thread
......................................................................... (yellow, red, green, blue)
Presser Foot .............................................................................. standard
Stitch ............................................................................ 4-thread overlock
Thread the serger for a 4-thread overlock stitch. Fine tune the tensions
for a balanced overlock stitch. Set the cutting width as needed and set
the stitch length to 2.5mm.
With differential set at N, serge two of the ribbing pieces together along
one 5" edge. If the fabric is stretchy enough you will have a wavy edge.
Adjust the differential to 2.0.
Stitching along the 5" side, serge the remaining ribbing to the other
side of the piece, trimming slightly. With differential at a higher setting,
the wavy edge should be eliminated.
Mark the differential settings on the fabric sample.
Compare the seams to see how the differential settings can affect
stretching.
Trim and mount the sample.
c
Return the differential feed setting to N (normal).
BERNINA
22
®
M Y S 2/15/03
ASTERING OUR ERGER
©2003 BERNINA® of America, Inc. Permission to copy granted only to Authorized BERNINA ® Dealers