Plastic Housing Manufacturing | Custom OEM & ODM

Plastic Housing Manufacturing: How Custom Housings are Designed and Produced

A plastic housing is more than an outer shell. It provides a product with its physical form, secures internal components, and can frequently dictate the feel of a completed device in the hand. In the case of electronics and protective accessories, the housing must also fit perfectly around buttons, ports, screens, connectors, and other parts.

This is why there is a lot more than simply placing plastic into a mold when it comes to plastic housing manufacturing. The combination of product design, choice of material, tooling, molding conditions, surface finishing, and quality control is vital in achieving good results.

What is Plastic Housing Manufacturing?

The manufacturing of plastic housing is the process of creating and producing a molded plastic enclosure over a given product or component. One of the most common methods is injection molding, which has the ability to produce repeatable shapes with precise dimensions and fine details. In injection molding, the plastic pellets are heated until they are molten. The compound is then forced into a mold cavity at a controlled pressure. The molded part is ejected and inspected after cooling.

Some of the most common housing materials are ABS, PC, TPU, PP, nylon, acrylic, and other engineering plastics, depending on the application. A manufacturer of plastic housings can make simple shells or complex structures with ribs, bosses, snap-fits, openings, hinges, magnetic parts, and other functional elements.

Selecting Materials for Better Product Performance

Plastic is not a single material. Polymers have varying behaviors during molding and offer varying mechanical properties.

• Polycarbonate, or PC, is usually thought of when rigidity and impact resistance are of significance. ABS is a good blend of strength, processability, and surface appearance. TPU is also soft and can be used to cushion, whereas acrylic is appreciated due to its transparency and visual clarity.
• A good example is the tablet case range of Junchi. The Shockproof iPad Case with Clear Acrylic Back is made of an Acrylic + PU material structure. Its product specifications include a 1.2 mm acrylic back, reinforced cushion corners, TPU soft-rubber edge protection feature, and PU leather component.

This form of construction demonstrates the way various materials can be allocated to various tasks. A clear rigid part may offer clarity and organization, whereas the softer parts may assist in safeguarding edges and corners.

The Mold Sets the Foundation for Precision

One of the most significant steps in the production of plastic housing is tooling. The basic geometry, surface quality, and repeatability of the molded component are determined by the mold.

• An injection mold is a typical mold that has a cavity and a core. As these parts are closed, they form the cavity into which molten plastic is injected. The tooling must also have proper gates, ejector pins, cooling channels, and so on.
• According to Junchi, its production facilities cover plastic mold production, die sinking, injection molding, customer confirmation, and mass production. It also has in-house design and engineering in its manufacturing system.
• In the case of a custom plastic housing production project, this initial engineering activity is important since a minor modification in the geometry of the enclosure can have an impact on the complexity of the tooling, the material flow, the cycle time, and the cost of production.

First Sample to Plastic Housing Production

After the CAD design and tooling are reviewed, the project may proceed to sampling. The first sample provides a chance for the engineers and buyers to test the physical product instead of depending on digital models. Notable inspections may involve dimensional, fit, surface, assembly, button placement, port holes, structural stability, and functional motion.

Stock samples and custom samples are listed on the Junchi product page for the iPad case, with the lead times for custom samples being 5 to 10 days. It also facilitates custom colors, Pantone matching, silk printing, UV printing, laser marking, and back-cover artwork.

Once the sample is approved, the project can proceed to large-scale production. Here, consistency is of particular importance.

A Closer Examination of the IPad Case

The Shockproof iPad Case with Clear Acrylic Back shows how a molded protective product can be integrated in terms of structure, usability, and appearance.

• The case is compatible with Apple iPad models and provides anti-drop, scratch-resistant, and daily impact protection. It is also mentioned in the product specification that it has a 30-degree typing and sketching mode and a 65-degree hands-free viewing mode. Another useful feature is magnetic auto sleep/wake.
• It has a foldable stand and powerful magnets. The product page also recognizes applications in business, education, travel, and semi-rugged business or industrial applications.
• In the case of a plastic housing supplier, this type of product brings up a significant aspect: the housing is not merely a protective cover. It is integrated into the user experience of the product.

Customization is More Than the Shape

The customization is frequently encouraged at multiple levels by modern manufacturers of plastic housing. The physical structure can be modified to accommodate a certain device, whereas the colors, textures, printing, logos, and finishing can be modified to suit a particular brand.

Pantone color matching, matte, glossy, frosted, and textured finishes, and custom logo placement are available on the iPad case page created by Junchi. It also facilitates silk printing, UV printing, laser marking, and customer artwork on the back-cover graphics.

In the case of OEM and ODM buyers, it enables the use of a single basic product structure to be customized to suit various markets, branding needs, and sales channels.

Finding the Right Manufacturing Partner

When it comes to the decision of selecting among the various manufacturers of plastic housing, it is not just a matter of comparing the prices of units. Take a look at the entire development process.

• An efficient manufacturer of plastic housing must be familiar with CAD review, DFM, material choice, mold development, sampling, injection molding, secondary processing, assembly, and quality inspection.
• Junchi explains a unified manufacturing model that includes structural design, mold development, manufacturing, assembly, and quality control. Its product pages also mention that OEM/ODM services can be offered for customized projects and branded programs.
• To buyers, this can streamline the communication process since the product development and manufacturing needs can be addressed in the same production process.

Conclusion

The distinction between a simple shell and a finished part is in the details. To support brands intending to manufacture plastic housing, Junchi offers plastic housing manufacturing design, tooling, injection molding, customization, assembly, and quality control. Send your drawings, samples, material needs, or product idea to Junchi and begin the discussion of your next OEM or ODM project.