The automatic spring coiling machine model ECL-70A produces Bonnell type spring from steel wire. It is completely mechanical and is operated by a single electrical motor. Electronic control systems further improved the quality of spring and its ease of use.
In a single production cycle, the wire is coiled to spring, knotted at both ends and heat treated.
The machine can shift from 5-coils springs to 6-coils springs for mattresses of different heights and features.
A different wire diameter can be used to achieve a different degree of rigidity of springs and spring units.
Remarks:
There is a new model of automatic coiling machine,when do the spring height from 75mm to 160mm (4 coils to 6 coils),do not need to change the principal axis of 760.5mm,and only need to move the machine head horizontally to do different spring height and spring coils.