Oversized injection molding parameter setting

Oversized injection molding parameter setting

The setting of injection molding parameters will be affected by many factors, including the model and capacity of the injection molding machine, the design and size of the mold, the characteristics of the plastic material, and so on. Here are some common injection molding parameter settings:

1. Temperature setting: According to the melting point and thermal stability of the plastic material, set the appropriate injection temperature. Usually need to consider barrel temperature, hot runner temperature and mold temperature.

2. Injection speed: According to the size and structure complexity of the product, adjust the injection speed appropriately. Injection speeds that are too fast may result in air bubbles and warping, and injection speeds that are too slow may result in insufficient filling.

3. Pressure setting: Set the appropriate injection pressure according to the size and structure of the mold. Injection molding pressure is required to adequately fill the cavity to ensure product integrity and quality.

4. Cooling time: Set the cooling time reasonably according to the product size and the heat conduction characteristics of the material. If the cooling time is too short, the shrinkage of the product will not be sufficient, and if the cooling time is too long, the production efficiency will be reduced.

5. Injection amount: According to the design size of the product and the cavity capacity of the mold, determine the appropriate injection amount to avoid the problem of voids or overflowing glue.

6. Holding time and pressure: In the injection molding process, it is usually necessary to set a certain holding time and pressure to ensure the density and dimensional stability of the product.

The above are just some common injection molding parameter settings, and the specific parameter settings need to be determined according to specific product and process requirements.