BYTJ-80 Auto Mattress Spring unit Automatic production line(Servo motor, spring coiling & assembling 2 IN 1)This automatic mattress Spring Machine is an automatic equipment in making bonnel mattress springs. It combines coiling, knotting, heat treatment and put out total four procedures. Firstly, the steel wire is coiled to a spring, and then transferred and inserted to the assembler by the automatic feeding system. After this, the upper and lower springs are coiled together at the same time and helical wire is coiled, cut and clamped at both ends automatically. When a unit is finished, it could be ejected automatically. It adopts mechatronics design, worm and gear decelerator, regulation of speed can be controlled by frequency transformer, lubricating system can be controlled by computer. It is characterized with nice structure, easy adjusting, stable performance, high productivity.