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BERNINA
®
Embroidery Module/Machine
MASTERING YOUR BERNINA
®
EMBROIDERY MODULE/MACHINE 2/06
16
Mastering
Your
BERNINA
®
©2006 BERNINA® of America, Inc. Permission to copy granted only to Authorized BERNINA
®
Dealers
Thread
Poor quality or the wrong type of thread can cause poor stitches on any
machine. Thread passes through the eye of the needle approximately 37
times in a “seesaw” action before it forms a single stitch. Poor quality
thread results in crooked and looped stitches, uneven fills, misaligned
outlines, frayed thread, and/or needle breakage. To achieve quality
stitches, an embroidery machine needs five things: correct thread,
correct stabilizer, correct hooping, correct needle, and properly adjusted
thread tensions.
Several factors such as the fiber, twist, ply, finish, and size of thread
must be considered for use with today’s fabrics for fine stitches.
Staple – refers to the length of fibers used to twist together to form a
single ply. Domestic thread fiber lengths are usually 1½” to 2½” long
while European threads use 5½” to 6½” lengths.
Ply – number of strands twisted together to make a single thread.
Roll – the tendency of thread to roll to the right or left during
stitching, causing the stitch to appear slightly crooked. Poor quality
threads are more likely to roll.
Twist – the crimping of fibers which causes them to interlock firmly into
a single ply. Thread should not untwist during stitching. This will cause
skipped stitches, thread breakage, crooked stitches, and weak spots in
seams.
Right twist – most American threads
are twisted to the right, causing
some rolling. This gives average
stitch quality.
Left twist – Most commercial and
imported threads are twisted to the
left, giving better than average stitch
quality. Left twist resists rolling and
makes a larger loop for the hook
point to enter, reducing skipped
stitches.
Notes