Description Overview Ball warper Ball building width: 1219.2 mm Ball building diameter: 1371.6 mm Warping speed: ≤400 m/min Warping length tolerance: ≤0.2% Power: 7.5 kW Driving System Driving drums: synchronous 2-roll drives vulcanized rubber covered, run-out within ±0.20 mm, inverter controlled Traverse feeding motion: inverter controlled Caliper brake with air-hydraulic actuator Ball Handling Ball unloading devices: executed by pneumatic cylinders Ball pressurizing: by pneumatic cylinders with precision servo-proportional valve Warping density could be infinitely pre-set Tensioning and Feeding Tensioning devices: three-column tensioners mounted on top the machine Rewind yarn-feeding mechanism: with encoder meter counting Leasing Stand Lease reed: density to be stipulated by the user Leasing control: by 3-position pneumatic cylinder Draw-back motion: by top and bottom coupled wheel Control Components Main controller: Siemens PLC S7-200 Operation panel: digital Encoder: Omron Inverter: ABB Low-voltage electrical appliances: Schneider Rodless pneumatic cylinder: Festo Precision proportional valves: Festo