DURKOPP ADLER 581 Operating Instructions Manual page 181

Technical data
Operating Instructions 581 - 01.0 - 05/2016
• Machine head swiveling supported by a gas pressure spring
• Needle thread monitor interrupts the sewing cycle when the
needle thread breaks; the material clamps remain down and
hold the sewing material. The sewing material can be
removed by button operation
• Owing to the vertical action of the cutting block system, no
adaptation of the cutting blocks by filing is required in the
event of different cutting block heights
• It can be selected on the control panel that after the sewing
material is released, the fabric support plate moves to the
starting position of the next buttonhole; this makes it easier to
see when positioning the workpiece
• Switch in the head cover for moving towards the ideal thread-
ing position for looper thread and needle thread (gimp thread)
• Automatic adjustment (4-stage) of the cutting force for the but-
tonhole blade depending on the programmed buttonhole length
• Electronically regulated needle thread tension (to be assigned
to programmed buttonholes)
• Fine adjustment and display for
• Seam start and seam end
• Position and length of the cross tack
• Timing of the thread cutter movement
• Pneumatically actuated thread cutting systems work precisely
due to short drive paths
• Electronic changing of the zigzag stitch width in the cross tack
• Due to the particular design of the machine arm, it is possible
to position the sewing material in the longitudinal direction
when using a different fabric holding device (additional
equipment)
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