JK430D-01 Middle and Heavy MaterialJK430D-02 Light MaterialJK430D computer controlled bartacking machine is more efficient than traditional ones.JK430D computer-control high speed bartacking machine adopts computerised direct-drive, which has quick reaction of start and stop . For the steel structure, it realize low shock, low noise. The machine has servo-control feeding equipment and best in-phase and journey needle pole equipment, realize low tension. Adopts no oil technology, avoid oil pollution when sewing. Specification: Stitch formation: single needle lock stitch Sewing speed: 3200rpm Sewing area: max 40 x 30 mm Feed mechanism: Y-0 internittent feed mechanism Stitch length:0.005-12.7mm Max number of stitches: 210000stitches,including 200000stitchese which can be added.