What is the reason why the vacuum packaging machine is easy to blow the heating belt?

     Shanghai Shiheng food vacuum packaging machine has a relatively simple working process. Foods are packed into bags beforehand, and the vacuum packaging machine extracts the air inside the bags. After the vacuum is reached, the sealing process is completed. This equipment is high in configuration, moderate in price, and very cost-effective. It is the most commonly used food vacuum packaging machine.

However, customers often suggest that the heating belt of the food vacuum packaging machine is easy to blow. Because the length of the sealing line is relatively long, it usually reaches 1 meter, and it is often easy to break. Generally, it is blown in less than 2 months. What is the reason?

1, the material of the heating belt, now generally use nickel chromium or iron chromium more, nickel chromium more durable, but the price is much more expensive. Not durable.

2. The oxidized tropical copper stigma is more oxidized. Now the domestic tropics of the vacuum machine are generally made of copper screw posts. This type of copper screw posts was used well at the beginning, but when the copper studs were oxidized ( Become black), the tropical heat is easier to blow, the imported machine is better in this regard, is a folder type.

3. The power of the transformer is too small, which is due to cost considerations with a small transformer, or the quality of the transformer.

4. The vacuuming time is too short, so that the residual air in the vacuum chamber is too much, so that the heating belt is oxidized in advance. If calculated by the amount of work per thousand times, the frequency of the heating belt of the external vacuum packaging machine will be higher. The vacuum pumping machine is generally low in operating frequency, so the fault condition is not obvious.

5, the heating program design is irrational: a reasonable heating program is heated to the seal line when the heat only began to start, and ordinary vacuum packaging machine in order to improve work efficiency, vacuum immediately after heating, resulting in dry burning.

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