... - simple structure - high automation - high efficiency - easy maintained double head level winder for copper tube - two heads to make short handling time ... 2) pich rolls , straightening rolls, bending rolls 3) cleaning device for copper outer surface, ink drying device, banding device 4) two ... and unloader 5) Hydraulic valves and pumps : REXROTH , PLC : SIEMENS double head level winder for copper tube