Injection molding process
Release Time:
Apr 03,2026
Feeding: Processing plastics generally uses plastic raw materials to make granular objects in advance. The injection molding process is to add these particles to the hopper of the injection molding machine, and then heat and mix them under the action of a plunger or screw.
1. Feeding: Processing plastics generally uses plastic raw materials to make granular objects in advance. The injection molding process is to add these particles to the hopper of the injection molding machine, and then heat and mix them under the action of a plunger or screw.
2. Plasticization: The plasticization process is actually a compaction process of heating, mixing and then decomposing plastic particles to reassemble. In this process, the plastic particles will be converted from a powdery or granular solid into a continuous and homogenized melt.
3. Mold filling: When the basic plasticization of plastic raw materials is about the same, we can let the melt be filled into a mold by pressure, and the plastic material will form a specific shape in the mold.
4. Cooling: Through a period of heating and pressurization measures, the basic conditions for forming plastic materials have been reached. At this time, we can solidify by cooling to form solid plastic products.
5. Release: After forming, the plastic product is still in the mold, so we still need to release it from the mold through the release operation.In order to make the mold release smoothly, we generally need to add a special release agent to the plastic material.
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