The difference between 4 side seal packing machine and 3 side seal packing machine.

Four-side Sealing PackingMachine: This machineadopts microcomputer to control photoelectric tracking and correction system, and is equipped with high-precision stepping motor to accurately locate the same position of each packaging bag pattern. The control system completes the synchronization, fixed length, Positioning and speed, automatic fault diagnosis function. It can be equipped with a ribbon coding machine or a steel printing coding device.It suitable for packing what needs quantitative packaging and has good sealing.

Three-side Sealing Packing Machine: This machine adopts the cursor to automatically detect and track, and the operation is simpler. Equipped with high-precision stepper motor to ensure the accuracy of the cutting position of each bag. It has relatively low requirements on the appearance of the packaging.

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