1. The slitting machine needs to slit the whole roll or the whole raw material to a fixed length, such as plastic packaging materials, packaging cartons,
steel plates, films, leather, wood chips, etc., all of which need to use fixed-length slitting control .
2. Fixed-length slitting control is divided into two types: static and dynamic slitting: when the set length is reached, it will stop accurately,
then static slitting and processing, and restart after slitting; when the set length is reached, it will not stop and send out Slitting signal,
the slitting machine dynamically slitting and processing during the material movement.
3. The important performance index of fixed-length slitting is the slitting accuracy, and the length of the finished product is consistent.
4. The slitting length can be set continuously. If there is an error in the actual slitting length, it is easy to calibrate by setting parameters.
EM300A series universal vector control inverter: speed closed-loop control, built-in braking unit, optional braking resistor according to motor power.
PG card: Receive and convert the pulse signal sent by the photoelectric pulse encoder.
Optical Pulse Encoder: As a system motor speed and material length measurement device.
1. No PLC, meter meter, etc., all functions are completed by frequency converter, with simple structure, low cost and high reliability.
2. The frequency converter contains a length calculation module, and the calculation accuracy is much higher than that of ordinary length controllers, meter meters, etc., and the consistency is good.
3. The inverter keyboard can display the set length, current length and current speed at the same time, which is easy to use, easy to operate and debug.
4. Automatic length correction, dynamic adjustment, high degree of automation, under normal circumstances, the control accuracy of fixed-length cutting can reach ±1 pulse.
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