Features of quality Bi-color mould tool manufacturers
Release time:
2022-03-22 17:13
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quality Bi-color mould tool manufacturers is a mould in which two kinds of plastic materials are injected on the same injection moulding machine and formed in two times, but the product is only released once. Generally, this molding process is also called two-component injection molding, which is usually completed by a set of molds and requires a special two-color injection molding machine. Let's take a look at the characteristics of quality Bi-color mould tool manufacturers!
1. The two shapes of the female mold are different, and one product is formed respectively, while the two shapes of the male mold are exactly the same.
2. After the front and rear molds of the mold are rotated 180° from the center, they need to be matched. This inspection action needs to be done during design, and this point has higher requirements on the positioning and processing of the mold base.
3. The total thickness of the front mold panel plus the A board should not be less than 170mm. Please carefully check other reference data for this type of injection molding machine, such as maximum die thickness, minimum die thickness, KO hole distance, etc.
4. The nozzle of the three-plate mold should preferably be designed to automatically release the mold. Pay special attention to whether the demoulding action of the soft glue nozzle is OK.
5. When designing the master mold for secondary injection, in order to prevent the secondary master mold from inserting (or scratching) the glue position of the product that has been molded once, a part of the void can be designed. However, it is necessary to carefully consider the strength of each sealing position, that is, in the injection molding, whether there will be deformation of the plastic under the large injection pressure, which may lead to the possibility that the secondary injection molding may have a sharp edge.
6. During injection molding, the product size of one injection molding can be slightly larger, so that it can be pressed more tightly with another male mold during secondary molding to achieve the effect of sealing.
7. Pay attention to whether the flow of plastic will impinge the once-formed product during the secondary injection molding, and its glue position will be deformed. If this is possible, there must be a way to improve it.
8. Before the A and B plates are clamped, pay attention to whether the front mold slider or the inclined top will reset first and crush the product. In this way, it is necessary to find a way to close the molds on the A and B plates first, and then the slider or the inclined top of the front mold can be reset.
The above is a brief introduction to the relevant knowledge about the characteristics of quality Bi-color mould tool manufacturers.
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