Basic Knowledge And Development Of Slitting Machine

- Jun 08, 2020-

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In the modern packaging industry, the slitter is a kind of more important equipment that is often used before and after printing. It mainly cuts raw materials such as paper and plastic films before printing. This is a process that raw material manufacturers must complete in order to meet the width requirements of packaging manufacturers such as customers. The slitting process after printing and compounding is the most widely used. The slitting machine is used to slit the printing and compounding of multiple sets of patterns with a fixed width into finished film rolls to adapt to the automatic packaging and bag making processes at the back.


With the improvement of flexible packaging automation, and consumer product manufacturers focus on reducing the inefficiency and pollution of intermediate links, some manufacturers have gradually changed the process and replaced manual packaging with more automated automatic packaging lines. As the demand for coils continues to increase, the status of the slitter becomes increasingly important, and higher requirements are placed on the efficiency of the slitter.


Speaking of the working efficiency of the slitting machine, many people think that the working efficiency of the slitting machine is only related to the speed of the slitting machine. In fact, it is not the case. I think the working efficiency of the slitting machine is related to the following factors: slitting speed, finished product Rate, non-operating time, stability, etc. The cutting speed is an important indicator of the working efficiency of the cutting machine, but if the yield is low, it will not only cause the working efficiency of the whole machine to be low, but also cause the cost to rise. Similarly, if the non-operation takes a long time, such as: machine adjustment, tool setting, tool change, material change, joint, roll change, handling problems, etc. takes a long time, simply increasing the speed of the slitter is meaningless. Too. Not to mention the stability of the slitter, not only will it affect the efficiency of the slitter, but also the quality of the product, it will also cause trouble and unnecessary waste for the next process. Therefore, the working efficiency of the slitter is a comprehensive concept.


During the slitting process, a stable tension system is an important indicator to ensure product quality. It controls the mutual tension between unwinding, traction, slitting, and winding, so that the slitting material is always in the slitting process. A steady state. If the tension is properly controlled, the deformation and drift of the raw materials during the speed-up and speed-down of the machine can be avoided. Generally, the unwinding tension is slightly larger than the sum of the winding shaft tension. Most of the previous slitting machines used magnetic powder clutch to control the tension, but the magnetic powder clutch speed can not be high, it is easy to cause high-speed friction of the magnetic powder during operation, generate high temperature, shorten its life, and it will be stuck in severe cases, which will hinder the operation of the machine. With the development of science and technology and the application of servo drive technology, vector frequency conversion motors are now mostly used to control the tension system of the slitting machine. The automatic detection of the swing roller is adopted. The human-machine interface is intuitive, the tension system is more stable and reliable, and it is easy to operate.