Plastic overmold for high-end brand coffee machine

Mold Cavity Steel: 1.2344
Part Material: PA6+30%GF/TPE
Mold Life: 1,000,000
Mold Inection System: Cold runner to sub gate
Mold Cavity: 2
Mold Frame: HASCO
Surface Treatment: Texture
Mold Size: 650*450*480mm


Home appliance mold is one of our area and serve many oversea famous brand company Plastic mold and parts. This is a very successful mold and our client is satisfied with our mold quality and samples.

What Is Overmolding?

Overmolding is a unique injection molding process that creating a single part using a combination of two or more plastic or elastomer materials. During the plastic overmolding process, the base layer part is molded first, then the additional plastic layers are molded over and around the original part.

Overmold VS. 2 shot mold, what are their features?

1.      Overmold (secondary molding): The two plastic materials are not necessarily injected on the same injection molding machine, but are molded in two times with two different in injection molding machine.

Generally, this molding process is usually completed by 2 sets of molds, without the need for a special two-color injection molding machine. The mold structure is the same as one shot injection mold. It is mainly controlled by adjusting the flow rate of the injection parameters to combination of the materials.

Overmold is main hard plastic material over soft material, the most common soft material like Synthetic Rubber,TPU,TPR ect, the hard material is ABS、PC、PP ect.

2.       2 shot mold in which two plastic materials are injected on the same injection molding machine and molded in two times, but the product is only released once.

Generally, this molding process is also called double-material injection molding, which is usually completed by a set of molds and requires a special two-color injection molding machine. The two-color mold can combine two resins and colors with different characteristics into a single two-color product, which can reduce the assembly and post-processing of the molded product and save the cost of melting and printing, increase the beautiful visual effect of the product, and improve the grade and added value of the product.

Two-color injection molding products have high quality stability which is easy control of product deformation with short molding cycle and high output.  7% lower loss than overmolding, and 20%-30% lower product manufacturing cost than overmolding.


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