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Home > Industry News > The difference between 2K Mould and Over Mould
2024-02-28
Two plastic materials are injected on the same injection molding machine and molded in two times, but the product is only ejected once. Generally, this molding process is also called two-color Precision Mould, which is usually completed by a set of molds and requires a specialized two-color injection molding machine. 2K molds can combine two resins and colors with different characteristics into a single two-color product, which can reduce the assembly and post-processing of molded products. Save the cost of melting and printing, increase the beautiful visual effect of the product, and enhance the grade and added value of the product. Not only does it have the functions of anti-slip and increasing friction, the flexible resin material makes it more ergonomic and feels better. Two-color injection molding products have high quality stability, easy control of product deformation, short molding cycle and high output. The loss can be 7% lower than that of rubber-coated injection molding, and the product manufacturing cost can be 20%-30% lower than that of rubber-coated injection moulding.
Over Mould:
The two plastic materials are not necessarily injection molded on the same injection moulding machine and are molded in two times; after the product is taken out of one set of molds, it is then placed in another set of molds. Second injection molding. Therefore, this molding process is usually completed by two sets of molds, without the need for a special two-color injection molding machine. The mold structure is the same as that of a single-color injection mold, and the seed material is mainly controlled by adjusting the flow rate of the injection parameters. juncture point. The rubber-coated mold is mainly soft rubber wrapped in hard rubber. The soft rubber is commonly used artificial rubber, TPU, TPR and other rubber materials, and the hard rubber can be ABS, PC, PP, etc.
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