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Condition Machine head of DDL-8700H (for thick materials)
Stitch length 4 mm
Number of stitches 4 stitches
ITEM No. 64 “0” rpm
Standard
Condition Machine head of DDL-8700H (for thick materials)
Stitch length 4 mm
Number of stitches 4 stitches
ITEM No. 64 170rpm
3) Seam joining of the reverse feed stitching at the end of sewing (For thick materials)
Especially some sewing machine heads for thick materials are likely to fail joining the seam at the section of the
following figure even if the timing of reverse feed stitching at the end of sewing is compensated.
1 At the timing to move to the reverse feed stitching action,
the rotating speed at the section where the sewing machine
is rotated at a low speed can be changed.
SC-910 function setting No. 64
(0 to 250 rpm changeable : 200 rpm was fixed in the past.)
Example) Use for reference.
Section of EBT
Section of low
speed
Time
1
Speed
Stitch lenth
becomes small.
Stitch
length
slips off.
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