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Mask packaging bag registration correction device classification

Classification of registration and correction devices for mask packaging bags At present, the registration and correction devices used in medium and high-end gravure printing machines are usually divided into two categories: one is to increase or shorten the length of the material belt by adjusting the position of the compensation roller to achieve registration; the other One is driven by the motor through the differential mode of planetary gears, directly driving the printing plate cylinder, and adjusting the phase of the printing plate cylinder to achieve registration. Composite packaging bag, aluminum foil bag, plastic packaging bag

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