The application scope of plastic products is constantly expanding, such as: household appliances, instrumentation, construction equipment, automobile industry, daily hardware and many other fields, the proportion of plastic products is increasing rapidly.
These various products are produced through plastic molds.
Today we will introduce the plastic injection molding process.
Molds are tools used to produce plastic products. It consists of several groups of parts with mold cavities. In the injection molding process, the mold is clamped on the injection molding machine, the molten plastic is injected into the mold cavity, and molded in the mold cavity, then the upper and lower molds are separated, and the product is discharged from the mold. The cavity leaves the mold through the ejection system, and the mold closes. For the next injection, the entire injection molding process is cyclic.
plastic mold
The mold meets the process performance requirements
Dies are usually manufactured by forging, cutting, heat treating and other processes. In order to ensure the quality of the mold and reduce the production cost, the material should have good forgeability, machinability, hardenability, hardenability and grindability; it should also have small oxidation, decarburization sensitivity and quenching deformation cracking tendency.
The mold meets the economic requirements
When selecting molds, economic principles must be considered to keep manufacturing costs as low as possible. Therefore, on the premise of satisfying the performance, the first quotation is lower, carbon steel can not use alloy steel, and domestic materials can not use imported materials.
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