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Mold making in China


Mold is the common term used to describe the tooling used to produce injection molded plastic parts.
It is mainly the production of thermoplastic products the most common kind of mold. Plastic injection mold processing equipment for the plastics injection molding machine. Plastic melt is first heated in the heated barrel of the end of the injection machine. And then injection molding machine into the mold cavity under the impetus of a screw or a plunger. The injection machine nozzle and mold casting system. Plastic cooling hardening molding, and mold release to get the products. Its structure is usually molded parts, casting systems, and parts-oriented components. The introduction of institutions, thermostat systems, exhaust systems, and support components.

Manufacturing materials commonly used plastic mold steel modules, commonly used material is mainly carbon structural steel, carbon tool steel, alloy tool steel, and high-speed steel. The injection molding process usually applies only to the varieties of products. Production of the thermoplastic injection molding process to produce plastic products is very extensive. From the daily necessities of life to all kinds of complex mechanical, electrical, and transport parts are injection molding. It is the most widely used in the production of plastics processing methods.

Custom Mold Design - Injection Molds

Molds consist of two primary halves, injection molds (A plate) and ejector molds (B plate). First, plastic resin enters the mold through a sprue in the injection mold. The sprue bushing is to seal tightly against the nozzle of the injection barrel of the molding machine to allow molten plastic to flow from the barrel into the mold, also known as a cavity. The sprue bushing directs the molten plastic to the cavity images through channels that are machined into the faces of the A and B plates. These channels allow the plastic to run along with them, so they are referred to as runners. The molten plastic flows through the runner and enters one or more specialized gates, and into the cavity geometry to form the desired injection molded part.

According to the size of the production capacity, product structure, to determine the appropriate number of cavities, more precision molds, processing difficulty, the higher the cost of the mold cavity. However, the unit price of injection molded parts dropped significantly.


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Last Update : 25 November 2025 4:25 PM
Number of Views: 11
Item  Owner  : injectionmoldchina
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Contact Phone: 021-52913487

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2025-11-26 (0.437 sec)