Chapter 1 overview

　　With the rapid development of social economy, people's living standards have been greatly improved, and the processing and manufacturing industry has also been greatly developed. In order to meet the needs of people's production and life, processing and manufacturing enterprises have sprung up like mushrooms, providing various products and services for people. Among them, the processing and manufacturing of plastic products occupies an important position in production and life, and its manufacturing process is relatively simple. Therefore, many processing and manufacturing enterprises choose to process plastic products. However, in the actual processing, there are still many problems, such as the surface quality of plastic products, which seriously affects the appearance and use of plastic products, so how to quickly improve the surface quality of plastic products in the processing of plastic products?

　　1.1 surface defects of plastic products

　　In the processing of plastic products, there will be many surface defects, such as scratches, welding seams, uneven surface, white spots, white spots, pinholes, uneven color, uneven gloss and so on. These surface defects will seriously affect the appearance and use of plastic products. Therefore, processing enterprises should attach great importance to these surface defects and try to eliminate them.

　　1.2 factors affecting surface defects of plastic products

　　There are many factors affecting the surface defects of plastic products. Generally, there are three reasons: the first is the internal factors of the plastic products; the second is the factors of the mold; the third is the factors of the processing technology.

　　Internal factors: including the material properties of plastic products, such as heat resistance, rigidity, toughness and so on. If the material properties of plastic products are not good, it is easy to produce surface defects in the processing of plastic products.

　　Mold factors: mold factors are mainly reflected in the mold design, mold opening and closing, mold casting, mold flow direction and the like. If the mold design is unreasonable, it is easy to produce surface defects in the processing of plastic products; if the mold opening and closing is not good, it is easy to produce surface defects; if the mold casting is not good, it will also produce surface defects.

　　Processing technology factors: processing technology factors are mainly reflected in plastic product manufacturing processes and equipment. If the processing technology is not good, it will also produce surface defects in the processing of plastic products.

　　Chapter 2 summary of the treatment methods of surface defects of plastic products

　　2.1 mechanical polishing

　　The so-called mechanical polishing is to use polishing tools to polish the plastic products. This polishing method is suitable for large area polishing or small area polishing. It is easy to operate and has good polishing effect.

　　2.2 chemical polishing

　　The so-called chemical polishing is to immerse the plastic products in a chemical solution for polishing. This polishing method is suitable for small area polishing or large area polishing. It has good polishing effect, but it is prone to pollution and is not easy to operate.

　　2.3 Shot peening

　　Shot peening is a surface treatment method in which abrasive particles are thrown to the surface of plastic products by high-speed air flow, so as to form a peening layer on the surface of plastic products. This surface treatment method is suitable for large area surface treatment and has good surface treatment effect.

　　2.4 Electrochemical polishing

　　The so-called electrochemical polishing is to immerse the plastic products in an electrolyte and pass an electric current through the electrolyte to polish the plastic products. This polishing method is suitable for small area polishing, and has good polishing effect, but is prone to pollution and is not easy to operate.

　　Chapter 3 Conclusion

　　The surface quality of plastic products has a great influence on the appearance and use of plastic products. In order to improve the surface quality of plastic products, we should pay attention to the internal factors, mold factors and processing technology factors in the processing of plastic products. Only by paying attention to these three factors can the surface quality of plastic products be improved.

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　　派克厨具公司高级工程师表示，近年来，派克厨具公司始终坚持以质量求生存，以信誉求发展的经营理念，不断引进先进技术，不断提高自身的生产水平，为客户提供优质的产品和服务，并获得了广大客户的认可和支持。未来，派克厨具公司将继续努力，为客户提供更优质的产品和服务，为客户提供更好的生活。

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