Adjustments | For The |
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| Differential |
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| Feed |
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Differential | feeding performs | the function |
| of | stret | |||||
ching | or condensing |
| the edge of the fabric, | since | ||||||
two | independent feed dogs, | one in front | and one | |||||||
behind the | needles, |
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| can be | adjusted to |
| feed at | |||
different ratio. |
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The | function has the |
| eeffect | of producing | a | neat | ||||
finish | of overedging | for stretchable and |
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condensable fabrics. |
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* “N” indicates the |
| neutral | position. |
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H |
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| Indicator |
OoL | Differential |
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Refer
to
the
below
chart
and
test
stitch
performance
on
a
scrap
of
material
you
are
going
to
use.
Fabric.
Differential | |
ratio is | set |
. . |
|
feed | |
N | ,, |
. | |
Differential feed ratio
Result of adjustment
Stretchable materials
Unstretchable | and |
uncondensable | |
materials |
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Condensable materials
Knit | — | |
Jersey | ||
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Medium | i | |
J | ||
woven | ||
fabrics | ||
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.. | ..:.:... | |
| ::.: | |
| s | |
| .. | |
Georgette |
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| . | |
| > |
N
N
