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Many mold novices don't know the difference between two-color molds and overmolding molds.
2025-04-27
TPE secondary injection molding typically utilizes TPE's soft-touch feel to manufacture products such as handles, gun stocks, fitness equipment, and tool handles.
In mold injection production processing, hot injection molding is one of the more common forming methods. The entire injection molding process and the finished products may encounter various problems. One problem has a relatively small impact on product properties, but significantly affects the appearance, which is color difference. So what aspects generally affect the occurrence of color difference?
What is the difference between plastic mold injection and metal mold stamping?
What are the differences between plastic injection molding and metal stamping dies? People unfamiliar with these two fields may not understand, simply thinking that plastic injection molding is made of plastic, and metal stamping dies are made of metal. In reality, it's not that simple. Let's take a look at the differences between plastic injection molding and metal stamping dies.
What should be paid attention to regarding the protection and maintenance of injection molds?
Injection molding dies, as the most crucial production equipment for injection molding factories, determine the appearance, specifications, dimensions, and surface smoothness of products. The material of the mold is stainless steel, generally consisting of a front mold and a rear mold.
The importance of plastic shrinkage rate to the internal structure of the mold
When designing plastic molds, after clarifying the mold design, the overall design of each part of the mold can be carried out, that is, the specifications of each template and part, the specifications of the cavity and core, etc. are clarified. At this time, key design parameters such as the shrinkage rate of related raw materials will be involved. Therefore, only by accurately grasping the shrinkage rate of the formed plastic can the specifications of each part of the cavity be determined. Even if the mold design is properly selected, but the parameters used are not good, it is impossible to produce qualified plastic parts.
2018-03-20
Two-color mold: A mold in which two kinds of plastic materials are injected in the same injection molding machine in two separate steps, but the product is demolded only once. This kind of rubber and plastic product processing technology is also called three-material injection molding, which is usually performed by a set of molds and requires a professional two-color injection molding machine.
