The coil slitting machine production line is designed for the process of slitting and rewinding different metal coils into specified sizes according to the customer's needs, which is designed to the production principle of the machine is more. From the mechanical design point of view can be divided into:
1. Constant tension control principle
For the winding and unwinding process of constant tension control is the essence of the need to know the load in the operation of the changes in the roll diameter, due to changes in the roll diameter, resulting in order to maintain the operation of the load, the split machine needs to follow the changes in the output torque of the motor to the changes in the diameter of the roll and change. For the V series inverter, because it can do torque control, so it can complete the winding constant tension control.
2. Synchronous speed calculation
As we know that when the frequency converter works at low frequency, the characteristics of the AC asynchronous motor of the slitting machine are not good, the activation torque is low and sub-linear, therefore, in the whole process of rewinding, we should try to avoid rewinding the motor to work in the following 2HZ.
3. Speed limit operation
When the diameter of the roll, you can find out the whole process of winding in the low-speed operation.
The production principle designed to from the production process of the steel slitting machine includes:
1. Unwinding process: large rolls of metal material are installed on the unwinding frame, and the stable unfolding of the metal coil is maintained through the tension control system to prevent the coil from loosening or running away.
2. Leveling process: the metal coil enters the leveling machine, which usually consists of several rollers, through which pressure is exerted on the coil to eliminate ripples and bending of the coil.
3. Slitting process: metal coil enters the knife group of the slitting machine, the upper and lower disc blades of the knife group rotate at the same time, and the metal material is cut into strips of predetermined width when passing through the blades. The material of the blade and the sharpness of the blade has an important effect on the quality and efficiency of the slitting.
4. Winding process: The cut narrow strip enters the winding machine through the guiding device, the winding machine is usually equipped with several winding shafts, each shaft is wound with a narrow strip, and a certain tension is maintained during winding to ensure that the narrow strip is wound tightly.
5. Waste disposal: Edge waste is collected and disposed of through waste collection devices, such as waste cutter or waste winder, to avoid waste affecting productivity and working environment.
