85
4-3. Attaching the shank button (optional)
(1) Specications
Model Optional
Needle TQx3 #14
Shape of button Outside diameter Max. ø20
Diameter of hole Min. ø1.5
Position of hole
1.5 mm or more
Shape of shank sec-
tion
t
ℓ
t
ℓ(mm)
Minimum Maximum
1 4 9
3 3 8
5 - 7
As for the dimensions of the shape of shank section, refer
to the above table for reference.
Sewing speed Max. speed of the pattern data is limited to 2,700 sti/min.
However, set it to 1,500 sti/min for the shank button.
Stitch shape Sewing pattern program No.18 to No.22
(Refer to
< Sewing program list >
of
"II.2-3. Various sewing modes" p.79
.)
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