− 6 −
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-500 function setting No. 64
(0 to 250 rpm changeable)
Example) Use for reference.
Speed
Section of EBT
Section of low
speed
Time
1
Machine head of DDL-8700H (for thick materials)
Stitch length 4 mm
Number of stitches 4 stitches
ITEM No. 64 170 rpm
Machine head of DDL-8700H (for thick materials)
Stitch length 4 mm
Number of stitches 4 stitches
ITEM No. 64 “0” rpm
Condition Condition
Stitch lenth
becomes small.
Stitch
length
slips off.
Standard
To Next Page
Loading...
Need help?
General
