Pfaff 75 Owner's Manual - Page 14

Recommended, Needle, Thread, Sizes

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Types of Fabrics Fine Fabrics such as georgette, chiffon, batiste, voile, lawn, silk. Mercerized Cotton Silk Needle Size 80 0 60 to to 000 or 100 twist 70 Lightweight Fabrics such as dress silks and cottons, sheer woolens, shirting, dra- 70 to 80 A&B twist 80 peries. Medium Fabrics such as lightweight woolens, madras, muslin, brocades, heavy silks and rayon, 50 to B&c twist 90 70 gabardine. I H Heavy Fabrics such as coating, denim, corduroy, slipcover fabrics, bed tickings, lightweight canvas. 40 I to C&D 100 50 twist Synthetics, Rayon, Acetate including nylon, orion, dacron, plastics, etc. Determined by weight of fabric 40 to 50 by thread size 611 to 80 Recommended Needle and Thread Sizes The appearance of the finished seam is dependent on the correct relationship between needle, thread and fabric. Select the proper thread sizes and needles trom this chart. The same size threads should be used in the needle and on the bobbin. Some experienced seamstresses prefer a somewhat thinner bobbin thread. However, the bobbin thread never should be thicker than the needle thread. For embroidery and darning work, a No. 50 thread should normally be used. 14

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Mercerized
Needle
Types
of
Fabrics
Silk
Cotton
Size
Fine
Fabrics
80
0
60
to
such
as
georgette,
chiffon,
to
000
or
batiste,
voile,
lawn,
silk.
100
twist
70
Lightweight
Fabrics
70
such
as
dress
silks
and
cottons,
A
&
B
to
80
sheer
woolens,
shirting,
dra-
80
twist
peries.
Medium
Fabrics
such
as
lightweight
woolens,
50
B
&
c
madras,
muslin,
brocades,
to
90
twist
heavy
silks
and
rayon,
70
gabardine.
I
H
Heavy
Fabrics
40
I
such
as
coating,
denim,
cor-
C
&
D
to
100
duroy,
slipcover
fabrics,
bed
twist
50
tickings,
lightweight
canvas.
Synthetics,
Rayon,
Acetate
Determined
by
by
including
nylon,
orion,
dacron,
weight
of
fabric
thread
size
plastics,
etc.
40
to
50
611
to
80
Recommended
Needle
and
Thread
Sizes
The
appearance
of
the
finished
seam
is
dependent
on
the
correct
relationship
between
needle,
thread
and
fabric.
Select
the
proper
thread
sizes
and
needles
trom
this
chart.
The
same
size
threads
should
be
used
in
the
needle
and
on
the
bobbin.
Some
experienced
seamstresses
prefer
a
somewhat
thinner
bobbin
thread.
However,
the
bobbin
thread
never
should
be
thicker
than
the
needle
thread.
For
embroidery
and
darning
work,
a
No.
50
thread
should
normally
be
used.
14