Used 1-needle lock-stitch right standing post bed machine with bottom feed, needle feed and alternating feet, electromagnetic threat trimmer, integrated 2nd tension, electropneumatic seam back tacking and sewing foot lift. Electropneumatic quick stroke adjustment.
With large XL two piece hooks(bobbin 26mm), safety clutch, adjustable sewing foot stroke up to 9mm with automatic speed adaptation, sewing foot lift in high needle position 16mm. Key combination for intermittent back tacking, back tack suppression, needle position high/low 2nd tension. Max. stitch length 6mm. Max. Sewing speed 2.800Stitches/min.
Assembled on a manually adjustable stand with table top 106x60cm equipped with Efka Motor with control box DA321 and control panel V820.