Unwind Unit
1. Single station, core unwinding with hydraulic lifting system. 2 sets.
2. Max. Unwind diameter: φ1200mm
3. Unwinding shaft: 1pc air-expand shaft, 1pc for spare using, for paper core inner diameter 76mm (3 inch).
4. Tension control of unwinding: Germany Siemens vector converter tension control system. Angle sensor detect tension (dancer roll/ Japan Fujikura diaphragm cylinder/ Japan SMC proportional valve), to adjust Siemens motor speed and realized high-precious close-loop control.
5. Edge control for unwinding: EPC web guiding system with photoelectric detector.
6. Web range: ±75mm, Precision: ±1mm.