Setting the differential feed dial
Operating elements
30
Manual • Overlock W6 N 656D Free Arm • 06/03/2019 • 1.0 • GBR
5.12
Setting the differential feed dial
In this manual
differential feeding refers to the feeding of fabrics at different speeds
when sewing. The setting of the differential feed dogs depends on the fabric to be
sewn and the degree of gathering or stretching that is desired.
Whether the fabric is stretched or gathered by the differential feed dogs depends
on the feed differential that has been set between the front and rea
r
feed dogs.
This is the so-called differential feed ratio.
Differential feed dial
The differential feed ratio can be set within a range from 1:0
.
6 to 1:2
.
0.
Settings are performed by means of the differential feed dial. If no differen-
tial feed is desired, set the dial to the neutral value “N”. The differential feed
ratio is then 1:1.
The following table provides examples of differential feeding.
Differential feed dogs
Fabric
Effect of the differ-
ential feed dogs
Setting
Symbol
Stretch fabric (knit,
jersey)
From N to 2
.
0
(The fabric is
stretched)
Non-stretch fabrics
Fabric (chino,
denim)
N is the neutral
setting
.
No
stretching or
gathering occurs.
Light-weight
fabrics
(Silk,
knitwear)
From 0
.
6 to N
(The fabric is gath-
ered)
Содержание WERTARBEIT N 656D Free Arm
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