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What are the requirements for thin-wall injection molding on injection molding machines and molds?


Thin-wall injection molding is a technique that uses thin-walled profiles, usually plastic, in injection molding processes. These thin-walled profiles are often used in the production of containers, boxes, mugs, cutlery, housings for electronic devices and more. Due to the particularity of thin-walled profiles, there are some special requirements for injection molding machines and molds, including the following:

1. Injection capability of injection molding machine: Thin-wall injection molding needs to quickly and stably inject molten plastic into the mold to fill the fine structure of thin-wall profiles. Therefore, injection molding machines need to have higher injection speed and pressure control capabilities.

2. The pressure holding capacity of the injection molding machine: The pressure holding stage is an important stage to ensure that the thin-walled profile fully fills the mold. The injection molding machine should have a stable pressure holding capacity to ensure the precise size and appearance quality of injection molded products.

3. Fast cycle time: Thin-wall injection molding usually requires high production capacity, so the injection molding machine needs to have a fast cycle time to complete the injection, cooling and mold opening processes in a short time.

4. Temperature control: Thin-wall injection molding has higher requirements on the melting temperature of the plastic and the cooling temperature of the mold. The injection molding machine should have a precise temperature control system to ensure the melting state of the plastic material and the proper temperature of the mold.

5. Mold design: Thin-wall injection molding requires precise mold design to ensure the consistency of thin-wall profiles and reduce possible defects. The cooling system of the mold also needs to be designed properly to ensure that the thin-walled profiles can be cooled quickly and maintain stable dimensions.

6. Selection of plastic materials: It is also very important to choose plastic materials suitable for thin-wall injection molding. Generally, these materials should have high fluidity and thermal stability, so as to fully fill the mold in a short time and cool and solidify.

In general, the requirements of thin-wall injection molding for injection molding machines and molds are mainly concentrated in high speed, high pressure, high precision and high efficiency. Only when these requirements are met can high-quality thin-walled injection molded products be obtained and production efficiency improved.

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