Slitter is a large volume of paper, film, Non-woven, aluminum foil, mica tape and other thin materials cut into different widths of small rolls of pre-press, prepress equipment, often used in paper-making machinery and printing and packaging machinery.
Before slitting machine magnetic particle clutch speed can not be high, because in the operation is easy to cause high speed friction magnetic powder, produce high temperature, shorten its life, serious will die, so that the machine running blocked, to produce very serious consequences.
Strict has a heavy impact on production efficiency. Now for the use of dual-variable frequency motor control, so that the volume of material in the case of large diameter variable frequency motor control to make the magnetic particle friction in a certain value.
Without the heat. The traditional control scheme of slitting machine is to use a large motor to drive the winding shaft, with magnetic powder clutch on the reel, and to control the resistance produced by adjusting the current of the magnetic particle clutch to control the tension of the material surface. Magnetic powder clutch and brake is a special automatic actuator, it is through the magnetic powder filled in the work gap to transfer torque, change the magnetic current can change the magnetic state of magnetic powder, and then adjust the transmission torque. It can be used for stepless speed regulation from zero start to synchronous speed, which is suitable for high speed trimming and small power speed regulation system.
Also used to adjust the current method to adjust the torque to ensure that the tension in the winding process to maintain a constant unwinding or rewinding tension control system.
Slitter continuously from the single motor control to the dual-motor, three-motor development, faster speed in the machine more stable and efficient. Slitting machine is characterized by magnetic powder clutch as a resistance device, through the system control, to output a DC voltage, control magnetic powder clutch generated resistance.
The main advantage is that it is a passive device that can control the smaller tension. Disadvantages: Speed can not be high, high-speed operation is easy to cause magnetic powder high-speed friction, resulting in high temperature, resulting in magnetic powder clutch heat and thus shorten its life. Cutting a certain width of the coil with a cutter, cut into a number of devices used to narrow the volume. The continuous cutting strip can be completed, often with winding device, after the unit is installed in the calender or extrusion machine and glue machine.
Cutting knife can be used flat blade and round mouth knife.
Paper processing Machinery slitting Machine series of products: disk paper slitter, small paper slitter, web slitter, high-speed slitting machine, etc. Metal processing machinery slitter: Strip slitting machine, copper slitting machine, aluminum sheet slitting machine, stainless steel slitting machine, tinplate slitting machine.
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