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Hangzhou Xianghuai Machinery Technology Co.,Ltd

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Detailed Introduction Of The Cutting Machine

- May 23, 2018 -

The slitter is a mechanical equipment that cuts wide sheets of paper or thin films into many narrow materials. It is commonly used in papermaking machinery and printing and packaging machinery.

The speed of the magnetic powder clutch of the former cutting machine can not be high, because it is easy to cause high speed friction of magnetic powder during operation, produce high temperature and shorten its life. It will die hard when it is serious and cause the operation of the machine to be blocked, which brings serious consequences to the production. It has a serious impact on production efficiency.


The traditional control scheme of the cutting machine is to use a large motor to drive the axis of the reel, and the magnetic powder clutch is added to the reel. The resistance produced by the current is controlled by adjusting the current of the magnetic powder clutch, so as to control the tension of the material surface. Magnetic powder clutch and brake are a special automatic actuating element. It transfers torque through the magnetic powder filled in the work gap. The magnetic state of magnetic powder can be changed by changing the magnetic current, and then the torque is adjusted. It can be used in stepless speed regulation from zero to synchronous speed, which is suitable for high speed fine tuning and medium and small power speed regulation system. It is also used to adjust the torque by adjusting the current to ensure that the tension remains constant in the winding process.


The main feature of the cutting machine is that the magnetic powder clutch is a resistance device, which is controlled by the system to output a DC voltage to control the resistance produced by the magnetic powder clutch.  The main advantage is that it is a passive device and can control smaller tension.


Disadvantages: speed is not high, high speed operation can cause high speed friction of magnetic powder, produce high temperature, cause magnetic powder clutch heating and shorten its life. A certain width of rolled material is cut longitudinally by cutting tools and cut into several narrow volumes. After it is installed in a calender or extruder and glue dispenser unit, it can complete continuous strip cutting, often with winding device. The cutting knife can be made with a flat blade and a round knife.


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