Controlled by a stepper motor (servo motor optional). The bag length is set and cut instantly, requiring no adjustment for idle running — achieving one-step operation to save time and film. Equipped with a human-machine interface (HMI) for convenient and fast parameter setting. Fault self-diagnosis function makes displayed faults clear at a glance. High-sensitivity photoelectric color mark tracking. Digital input for sealing and cutting position ensures more accurate positioning. Independent PID temperature control, better suited for various packaging materials. Positioning stop function. Non-stick to the knife, no film waste. The transmission system is simple and clean, ensuring more reliable operation and easier maintenance. All controls are implemented via software, facilitating function adjustments and technology upgrades to keep the machine advanced. Suitable for packaging various regular-shaped items such as mooncakes, ice cream, rice crackers, rice cakes, egg yolk pies, Sachima, chocolate, candy, bread, instant noodles, dried goods, daily necessities, industrial parts, paper boxes, or trays.