The rewinding machine can mainly rewind the pad paper when the steel coil is unwound. It can control the speed and torque of the unwinding, pulling, and winding motors to achieve stable tension. The decoiler machine consists of a double-head winding mandrel. The air expansion shaft on the transmission side and the working side can be extended and retracted with the winding mandrel. The mandrel is driven by an AC motor. There is a photoelectric switch to detect paper breakage. The paper roll slope is equipped with a flipable support arm to support unloading. The paper roll width can reach 650 mm to 1350 mm, and the maximum length of the paper sleeve is 1350 mm.
The HMI system of theuncoiler machine adopts the WINCC system. The HMI system realizes real-time production process monitoring, equipment operation monitoring, and production data monitoring, and has functions such as data analysis and processing, parameter management, unit status setting, and data communication processing.
The steel uncoiler unit uses Siemens S7-1500 series products and a 1518-4PN/DP CPU to complete the logic control, sequence control, position control, process operation, and process interlocking control in the unit, as well as unit speed synchronization control and fault detection classification alarm control.
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