Adjusting the Differential Feed

The differential feed prevents unwanted puckering or wavering in knitted or stretch fabrics as well as shifting of fabric layers. The setting values describe the ratio of movement of front feed dog relative to the rear feed dog. With default value 1, both feed dogs move at the same speed.

  1. Adjust the feeding ratio of the two feed dogs by using the differential feed setting.

Value

Fabric

Result

2

Fine, soft fabrics

Ruffling, puckering, gathering

1.5

Jersey, sweatshirt, knits

Slight ruffling, preventing seam waving

1

Wowen knit and medium-weight dense fabric

Default value

0.6

Fine nylon tricots, densely woven fabric, lining, satin

Stretching, preventing seam puckering