We are offering high speed bonnell spring coiling machine.High speed bonnell spring coiling machine is an auto machine that is making mattress springs. It combines coiling, knotting, heating and outputting total four procedures in one machine. The speed is at 80 springs one minute. The coiler utilizes a fully integrated computerized programmable logic controller (plc) and servo control system. All machine functions include wire feeding length, knotting, heat treatment, lubrication and self-protecting are automatically controlled. characteristics:1. High capacity with minimum space requirements - up to 38'000 bonnell springs 8 hours. 2. Rapid change-over.3. Easy operation and short training period thanks to clearly structured concept with integrated control unit.4. Works without compressed air.5. Top quality and ease of use.