What are the standard conditions for material selection of injection mould

The selection of injection mold materials directly affects the performance and lifespan of the mold, as well as the quality of production and processing, as well as the precision and quality of product production. When choosing injection mold materials, multiple factors need to be considered, including comprehensive considerations of many aspects, in order to select suitable types of materials in design and production, and avoid affecting the quality and production accuracy of injection molds.

1、 Mechanical performance requirements

During the use of injection molds, they need to withstand significant pressure and impact forces, therefore their materials need to have excellent mechanical properties. The material should have high hardness and strength to resist the pressure and stress generated by the mold during the injection molding process. At the same time, the material should have good toughness and fatigue resistance to avoid fracture or damage during long-term use. Kaidi Mold has high requirements for product quality, and the material selection and standards are very rigorous.

2、 Corrosion resistance requirements

Injection molds may be corroded by some corrosive substances when in contact with plastic materials, so their materials need to have good corrosion resistance. Especially when using special plastics or under high temperature and pressure conditions, the corrosion resistance of molds is required to be higher. Therefore, when choosing injection mold materials, it is necessary to consider the corrosion resistance of the material to ensure that the mold will not be affected by corrosion during use, which will affect its performance and service life, prolong the use time, and have more confidence in quality during use, without worrying about corrosion and other situations.

3、 Thermal conductivity requirements

During the injection molding process, the mold needs to exchange heat with the plastic material, and thermal conductivity is one of the important factors affecting the injection molding process. The thermal conductivity of the mold material should be good, able to quickly conduct heat, ensuring that the plastic material is uniformly heated in the mold and can cool quickly. Mold materials with good thermal conductivity can improve injection molding production efficiency and reduce injection molding cycles, while also reducing the possibility of mold wear and deformation.

4、 Processing performance requirements

The processing performance of mold materials has a significant impact on the manufacturing and maintenance of molds. The material should have good machinability to facilitate cutting, drilling, milling and other processing operations, in order to manufacture molds that meet the design requirements. In addition, the material should have good wear resistance to reduce wear and damage during processing, and wear in practical applications can also avoid serious damage.

5、 Economic requirements

When choosing injection mold materials, it is necessary to consider their economy. Material prices, availability, and processing costs are all factors that affect material selection. The manufacturing cost of injection molds is often high, so while ensuring the quality and performance of the molds, materials with reasonable prices, high availability, and low processing costs should be selected as much as possible. It should be noted that one should not blindly seek cheap prices, but should pay attention to whether the price positioning is reasonable and ensure high cost-effectiveness. Otherwise, greed for cheap prices will directly affect the quality of use.

In summary, the standard requirements for selecting injection mold materials involve mechanical properties, corrosion resistance, thermal conductivity, processing performance, and economy. In practical applications, it is necessary to comprehensively consider the specific requirements and usage environment of injection molded products, and select suitable materials to manufacture molds, ensuring the performance and service life of the molds. By selecting mold materials reasonably, injection molding production efficiency can be improved, production costs can be reduced, and the development of the plastic products industry can be promoted.