Vertical packaging machine spray powder when seal, which is basically caused by lax sealing, which belongs to the category of sealing folds.

This situation is relatively common and is affected by many factors:

1. The temperature of the horizontal sealing knife is uneven or inappropriate.

2. The horizontal sealing knife is not perpendicular to the film direction.

3. The gap between the horizontal sealing knife and the pressing film is uneven, and the film stress is uneven.

4. The horizontal sealing knife does not match the speed of the mold moving.

5. The speed of mold moving and feeding does not match, and there are raw materials in the sealing place during horizontal sealing.

These are the most common, so when there is a problem, pay attention to the problem, you can manually move the film to control the motor, combine the above points, adjust the corresponding position, the problem should be solved.