DIGITAL SPRING COILING MACHINE produces Bonell springs for mattress at speeds of 80 pcs/min. In a single cycle, the wire is coiled to a spring, knotted at both ends, heat treated and to be collected to an outlet channel. The coiler SX-80 utilizes a fully integrated computerized Programmable Logic Controller (PLC) and Servo control system. All machine functions include wire feeding length, heat treatment, lubrication and self-protecting are automatically controlled.