The necessity of spraying wood boards and wooden boxes is mainly reflected in the following aspects:
1. **Improve product appearance**: Spraying can provide wood boards and wooden boxes with rich colors and textures, increase their beauty and decorative effects.
2. **Protect wood**: The spraying process can form a protective film to prevent wood from being damaged by environmental factors such as moisture and corrosion.
3. **Improve durability**: Through spraying, the corrosion resistance and glossiness of wood boards and wooden boxes are improved, extending the service life of the product.
4. **Meet personalized needs**: The spraying process can customize different colors and effects according to consumer needs to meet the diverse needs of the market.
In addition, with the development of science and technology, the application of automatic spraying machines makes the spraying process of wood boards and wooden boxes more efficient and accurate, while ensuring the stability and consistency of the spraying quality. The use of automatic spraying machines also helps to reduce errors and defects caused by human factors, improve the overall quality of products, and has the characteristics of energy saving and environmental protection, reducing the operating costs of enterprises and reducing pollution to the environment.