Engineered sewing station for reproducible ruffling of upholstery parts.

Single needle two thread-chainstitch machine with differential bottom feed and variable alternating foot top feed, electropneumatic sewing foot lift, programmable electronic control for ruffling values, sewing function, seam sequences and sewing equipment.

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With keys for the manual calling up of 15 ruffling values and 16 half ruffling values, for entering individual ruffling programmes of up to 99 steps (memory capacity 2650 individual steps), for the preselection of seam-dependent functions and for the adjustment of specific machine parameter. Manual key for calling up the programme steps, key combination for stitch condensing, needle position up, quick stroke adjustment and knee switch for changing over to flat sewing while ruffling. Adjustable sewing foot stroke up to 7 mm with automatic speed adaptation, sewing foot lift 15 mm, basic stitch lengths 3; 4; 5 and 6 mm, stand set with table top and maintenance unit, optical fibre sewing lamp, DAC II control and interface d.c. motor, nominal voltage 1 x 230V/50 Hz or 60 Hz, 3000 stitches/min