Brother Z-8550A Brochure & Specs page 3

Plain zigzag, 3-step zigzag, scallop patterns and T-stitches* are provided
The basic 8 types, 14 sewing patterns are built-in. Users do not need to have multiple cams for each
sewing pattern, which allows excellent cost performance.
Basic
sewing
pattern
Custom sewing patterns adding value to the product
Users can store their original sewing patterns in the machine
additionally. Custom patterns can be used in a wide variety of
applications, such as decorative stitching of ladies wear, knitted
articles, neckerchiefs, towel handkerchiefs, foundation garments
and swimming wear. Data handling is easily made with CF
cards, adopted as storage media. (Up to 99 patterns with a total
of 49,500 stitches, 500 stitches or less per pattern. Sewing
patterns can be created at the operation panel or by using the
sewing data programming software PS-300B (Option).)
Enhancing sewing quality
Simple setting for
condensed stitches
Setting for condensed
stitches, making stitches (feed
amount) finer at backtacking,
can easily be made with the
adjustment dial.
Soft, quality sewing finishes
Improvements have been made to
enable soft sewing finishes with low
thread tension, such as of needle
and rotary hook timing, shapes of
the rotary hook and the thread
take-up, and the thread path.
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Minute-adjustable
pressing level
Pressing level of the presser foot
can minutely be lifted in accordance
with materials. It is suitable for
sewing of stretch materials and
raised fabrics, preventing stitch
slippage and damage to the fabrics.
Thread trimming errors can
be prevented (Z-8560A)
Grooved cam method, which
eliminates thread trimming error,
has been adopted. In addition, the
knife mechanism is unitized in one
unit, allowing simple maintenance.
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*
T-stitch cannot be sewn with -031 spec.
Custom-made pattern examples
Trouble-free hook shaft
offset mechanism
This mechanism prevents skipped
stitches and thread breakages which
tend to occur at the needle's right zigzag
position. It also makes needle and rotary
hook timing adjustment easier and
improves the maintenance operation.
Damage of the rotary hook tip by the
needle guard can be prevented as well.
Needle's
left position
Thread cast-off at sewing start
can be prevented (Z-8560A)
The upper thread feeding device
supplies just the necessary length of
upper thread at sewing start.
T-stitch*
Setting of T-stitch sewing is
to be made with memory switch.
Needle's
right position
Rotary hook
tip path
Hook rotation axis