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Several categories of injection molds, Fanshida molds
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Several categories of injection molds, Fanshida molds

Views: 1     Author: Site Editor     Publish Time: 2022-09-16      Origin: Site

Several categories of injection molds, Fanshida molds

1. Single parting surface injection mold

When the mold is opened, the movable mold and the fixed mold are separated to take out the plastic parts, which is called a single parting surface mold, also known as a double-plate mold. It is the simplest and most basic form of injection mold. It can be designed as a single-cavity injection mold or a multi-cavity injection mold according to needs. It is the most widely used injection mold.



2. Double parting surface injection mold

The double parting surface injection mold has two parting surfaces. Compared with the single parting surface injection mold, the double parting surface injection mold adds a partially movable intermediate plate (also called the movable gate plate, There are gates, runners and other parts and components required for the fixed mold), so it is also called a three-plate (moving template, intermediate plate, fixed template) injection mold. The double-parting surface injection mold has a complex structure and a manufacturing cost Higher, it is more difficult to process parts, and is generally not used for the molding of large or extra-large plastic products.

3. Injection mold with lateral parting and core pulling mechanism

When the plastic part has side holes or undercuts, it is necessary to use a core or slider that can move laterally. After injection molding, the movable mold first moves down a certain distance, and then the inclined section of the curved pin fixed on the fixed plate forces the slider to move outward, and at the same time, the push rod of the demoulding mechanism pushes the push plate to make the plastic part form itself. Take off the core.


4. Injection mold with movable molding parts

Due to some special structures of plastic parts, the injection mold is required to be equipped with movable molding parts, such as movable punches, movable concave molds, movable inserts, movable threaded cores or rings, etc., which can be combined with the plastic parts during demolding. They are removed from the mold together, and then separated from the plastic part.




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