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What are the common types of overmolding

by:Vowin Rapid Prototyping     2023-02-18
What are the common types of overmolding? Overmolding is widely used in daily life, such as toothbrushes, mice, handles, buttons, car buttons, etc. This type of overmolding requires two or more materials. Shanghai Mulan Vertical Overmolding Injection Mold Factory can usually realize the molding and processing of precision injection molding products such as plastic-coated plastic and metal-coated plastic. Overmolding is so widely used that it has become a common tool for injection molding. So, what are the common types of overmolding?

1. Two-step injection molding, which can be realized only on an ordinary injection molding machine. The plastic overmolding mold used also becomes a beer mold. When the second injection molding is performed, the mold needs to be designed twice to put the product into it. The clamping position and the avoidance position are convenient for the injection molded parts to be placed in the designated position faster to avoid compression molding; at the same time, the shrinkage of the injection molded product is only used once when it is empty;

2. Two-color mold, which is divided into integral two-color mold and split-type two-color mold, requires two sets of molds to be installed on two-color injection molding processing equipment at the same time, or soft and hard glue is opened on one set of molds for one-time molding process.

What are the common types of overmolding? Relatively speaking, the structure of the two-color mold is more complicated than that of the two-step injection molding mold, and the technical requirements are higher, and the manufacturing cost of the overmolding mold will be relatively expensive. However, there is also a big difference between the two. The first type of mold is more cost-effective, while the second type of mold has higher efficiency and better appearance.

What are the common types of overmolding? Therefore, when you choose overmolding, you can choose the mold that suits you according to your quality requirements and cost budget. If you have other technical doubts about the overmolding, please visit the official website for more technical details.
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