How to control the temperature of the overmolding mold? Shanghai Mulan Vertical Overmolding Injection Mold Factory uses different temperature control systems for the cavity and core of the mold, which will produce different cooling temperatures. The overmolding process is relatively complex. Two
injection moldings are required, so
The control of the temperature of the overmolding is particularly important. If the temperature of the overmolding mold is unstable during the overmolding process, it will inevitably lead to unstable quality of the injection molded parts and a high defect rate. So, how to control the temperature of the overmolding?
1. In the design stage of the overmolding mold, it is necessary to fully consider the influence of the overmolding mold temperature on the injection molding process. When the injection weight of the mold is small but the size of the overmolding mold is large, the heat transfer in the mold structure is very important, and it is necessary to ensure that the flow path of the overmolding mold coolant should be kept as stable as possible;
2. The actual temperature of the mold surface in contact with the molten material can be measured by a thermometer or a thermocouple inside the mold. It should be noted that the thermometer should be measured at multiple locations instead of one location on each surface, and then modify the temperature control system , Adjust the overmolding temperature to the level required for injection molding.
3. For injection molded parts with high precision and strict appearance requirements, it is recommended to choose a higher overmolding temperature. For those with low technical requirements, it is recommended to choose a lower overmolding temperature in order to reduce production costs.
The above is a brief introduction of Shanghai Mulan Vertical Overmolding Injection Mold Factory about 'How to control the temperature of the overmolding mold?'. In fact, the temperature control of the overmolding mold cannot be controlled across the board, and specific problems need to be analyzed in detail. Targeted optimization and adjustment. If you encounter any problems in the manufacturing and processing of overmolding, welcome to communicate online.
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