[amayausers.com] Re: Setting machine thread feed
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- Date: Tue, 21 Jun 2011 16:12:58 UT
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After much testing on dry weave/4 way stretch fabric here are 3 categories that
should help improve the sew quality for these tricky materials. Please note:
that this is only suggestions and not the embroidery law:)
Fabric Prep. - After embroidering on the fabric using five different types of
backing including adhesive sprayed cut away, no show nylon, tear away hat
backing, heat fusible, and Filmoplast. Findings were that these types of
fabrics must be glued or somehow fused to a backing to keep shrinkage and
puckering to a minimum. The hopes were that the Filmoplast would work because
it is the easiest to apply to the garments. The findings, however, were that no
matter how many layers of it were used, it still gave way and made a bubble out
of the embroidery. The fact that it is a tear away product makes it too light
for the job.
The best results were with the heat fusible backing. Two layers crosshatched
behind the fabric provided the best foundation, although one layer yielded
acceptable results when the grain was 90 degrees to the fabric grain and is of
course cheaper and faster to apply. Maybe one layer could be used on designs
that don?t have a lot of fill and a high stitch count, and two layers for the
designs over, say, about 9,000 stitches or so. Also one layer of the thick
tear away backing slid under the hooped garment really helped the tie-in and
tie-out stitches hold better without looping. It took the sponginess out which
gives the tie-in stitches a firmer base to tie a tight knot.
The fusible backing must exceed the hoop ring when hooping. This will
stabilize the material. It would be best to try to use black fusible backing
on dark garments and white with lights. Be sure to use as small as hoop as
possible that will still fit the design.
Note: The fusible backing is permanent and cannot be trimmed away after the
embroidery is done. The fusible backing we used was very light in weight and
soft to the touch so there was very little to no visible sign of this backing
on the finished shirt material.
Digitizing ?
1.Turn off Auto Tie feature for all designs.
2.Keep pinching (pointed columns) to a minimum.
3.Center out thread path is absolutely mandatory on all areas of every design.
This is to include all elements especially lettering.
4.Thread trims need to be kept to a minimum.
5.All underlay should be kept to a minimum and density should be kept as low as
possible to keep puckering down.
AMAYA settings- Auto mode is the best feed style for this fabric. For the best
results use 3 for the minimum setting (floor). Sewing speed didn?t seem to
matter. Bobbin was tensioned slightly less than normal. This means that if
held by the by the bobbin thread (and not through the pigtail) that the case
and thread would slowly unwind by itself.
Ironing the embroidery after completion of sewing made an improvement also.
Thanks to Scott Stengel for his efforts on this.
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