With this kind machine, pitch and height of the S-shape Zigzag Spring is adjustable in certain range. With convenient operation, it is an ideal equipment for making cushion spring used in sofa and automobile. It is optional to equip this machine with auto cutting mechanism, as well as finished spring winding mechanism. OUR SOFA MACHINE IS VERY ADVANCED.THE DEGREE OF THE AUTOMATIZATION IS VERY HIGH.IT HAS CE CERTIFICATION. 1 it can cut off automatically 2 it is controlled by electronic machine and can Strengthen its stability. The machine is easy to adjust. 3 it is computerized and can set the output 4 the speed can be adjusted 5 it can be cut off automatically at the set length 6 the position of the incision can be adjuted at the angle of 90 degree or 180 degree Main Technical Data: Maximum processing size: 2000x 1200x 1600mm Power supply: 380V / 50Hz Available Wire Diameter: 2. 5-4. 5mm Available Spring Pitch: 20-60mm Available Spring Height: 50-80mm Production efficiency: 150 Peaks/min  Motor Power: 7. 5kw Weight: 1200kg