What is the importance of temperature control in metal mold processing?
1. The purpose and effect of temperature control on formability. The appearance of the molded product, the physical properties of the material, and the molding cycle are significantly affected by the temperature of the mold core. In general molding conditions, the temperature of the mold core is kept low, which is ideal to increase the number of injections. However, the molding cycle related to the shape of the molded product (mold core structure) and the type of finished material also depends on the need to increase the temperature of the mold core filling.
2. In order to prevent the stress for temperature control, this is a problem of the material of the formed product, and the only requirement for this is the cooling rate. The cooling time is short, and even if one part is hardened and the other part is still soft, it can still avoid stress caused by uneven shrinkage. That is, proper temperature control can improve cooling stress properties.
3. Temperature control for adjusting the degree of crystallization of the forming material. Polythioamine (nylon), polyacetate, polypropylene and other crystalline materials usually require a higher mold core temperature to adjust the degree of crystallization and improve mechanical properties.
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