Duerkopp Adler 744-122 Betriebsanleitung - Seite 3
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1. Product Description
1.1_ Summary and Intended Use
The 744-122 sewing unit is for sewing
pre-determined, straight or curved seams. A rail
appropriate to the seam configuration holds and
guides the material.
The material transport is conducted by a step
motor. The sewing unit has electro-pneumatic
controls.
The Microcontrol control units have the integrated
"Multitest" testing and monitoring system. Along
with monitoring the sewing process this allows a
quick checking of the input and output elements.
Possible operating errors and malfunctions are
shown in the display.
Depending on the program, the control of the
sewing unit can occur via photocell or distance
measurement.
Along with continuous seams from seam beginning
to seam end the following additional functions can
be selected with the control unit:
–
Slit at the beginning of the material
–
Slit at the end of the material
–
Slit at the beginning and at the end of the
material
–
Seam interruption or partial stitch condensing
–
Seam interruption with slit at the beginning and
at the end of the material
–
Security at the seam end through chain
stitching or stitch condensing
Through equipment with the appropriate parts sets,
the sewing unit can be used for the following work
procedures:
1. Primary seams: Work procedure A,
e.g. rear sleeve seam, mid-back seam, front
sleeve seam, side piece seam-overcoat, front
sleeve seam with outer material-lining in one
step etc.
2. Sewing waistbands on trousers: work
procedure D
3. Sewing waistbands on skirts: Work procedure E
The selector switch on the back of the control unit
front panel must have a setting appropriate to the
work procedures.
The setting normally occurs at the factory.
Which selector switch setting should be chosen for
which work procedure can be found in the
Microcontrol controls summary in the annex to
these instructions.
Please direct further enquiries concerning work
procedures/applications to
or its offices.
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