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Weihai Sanyuan Plastic Technology Co., Ltd

Is this how two-color molds are formed?

Release time:

2024-11-05


Summary

If appropriate machining allowance is reserved on the parting surface in advance.

Now there are children's toys, industrial products, daily necessities, medical equipment, etc., you find that the color of their appearance is more beautiful than before two colors wrapped together, beautiful, and feel very good, which is the result of the process of two-color mold injection molding. So how is the two-color mold injection molding? Next we will talk about this topic.

Two-color mold is actually two plastic materials in the same injection molding machine, two injection molding, but the product is only out of the mold once, the first injection molding is the product of the semi-product. In the injection molding A color of the amount of glue control, A half of the product is directly related to the B color of the package of rubber problems, if the A product is not playing well, then the B color injection will produce a flying edge, affecting the appearance of the product.

So B-color products absolutely must ensure that the mold fine, because the product sealing bit is directly A-color products. And B-color injection molding machine speed of the last section should be absolutely slow, injection molding out of the product to achieve perfect results.

Two-color mold injection molding is divided into two categories.

1. Mixed-color two-color injection molds

That is, the two injection nozzles of the injection molding machine will alternate different colors of materials injected into the same mold cavity, the formation of color products without obvious boundaries.

2. Double-layer two-color injection molds

That is, two kinds of two injection nozzles will two kinds of materials successively injected to form products with obvious boundary of two-color products, the first injection nozzle will material injected into the small cavity after molding, after that, open the mold but not ejecting, the mold rotates 180 degrees and then close the mold, after that, the second injection nozzle will another kind of material injected into the large cavity which already has the first kind of material, so that two kinds of materials stick together after the second opening of the mold ejecting.

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