The main motor is 220V AC motor. The raw material produced by the bag making machine is blown cylindrical plastic film. The function of the bag making machine is to cut and seal the raw material, and the products produced are rectangular semi-finished plastic bags with certain length and sealing at both ends. The main motor is used to drive the hot knife of the machine to cut the raw material.
Because the hot knife for cutting plastic bags is heated by electromagnetic, the plastic bags are sealed at the same time when the raw materials are cut. The stepper motor is used for feeding. The feeding length is the length of the semi-finished plastic bags produced each time the hot knife is lifted to the time when the hot knife falls.
Since the stepper motor can only feed during the hot knife lift to drop, coordination between the main motor and the stepper motor is important.
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