Features: 1.This machine is for assembling bonnell springs. And this machine can be operated by one person efficiently. 2.Coils upper and lower springs together at same time automatically. And spring rows can be set on the computer . 3.Helical wire is coiled, cut ,and clamped at both ends automatically and spring units can be ejected automatically when the number of set rows is achieved. 4.Accept different steel wire gauge, spring end ring, spring height and produces spring units within a certain limitation. 5. The springs are manually inserted and, at the end of each row, the operator presses the pedal and starts the assembling cycle. 6 The machine is equipped with one set of jaws, to be chosen among those indicated in the technical data. Spring type Bonell spring capacity 80sheets/8 hours (1.8m*2.0m) Spring steel wire gauge 1.8mm-2.4mm (option 2.5mm) Spring height 80-190mm (option 190-210mm) Max width 2m Helical steel wire gauge 1.3-1.5mm (option 1.6mm) Jaws specification 68mm jaws Spring dia.:62-70mm 78mm jaws Spring dia.:68-75mm 88mm jaws Spring dia.:75-82mm 98mm jaws Spring dia.:82-95mm Total power 3kva weight 990kg power requirement 380V/220V,50HZ/60HZ. carton packing.