1, open the material switch, through the material storage photoelectric control storage motor action, to store quantitative materials.

2. Open the heating control switch and heat the hot knife through the temperature controller.

3. The stepper motor drives the action of raw materials, and the white bag sealing and cutting is to stop the stepper motor by the fixed number of steps to realize the fixed length control; Color bag sealing and cutting can realize positioning control by stopping the stepping motor when the corresponding signal is detected by the detection eye.

4. After the stepper motor stops, the three-phase asynchronous motor drives the hot knife to seal and cut.

5. When the bag number is set for sealing and cutting, complete the bag.

Frequency conversion device is a very important part of plastic bag making machine.

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