Dongguan Hongsheng Metal & Plastic Technology Co,. Ltd

 

The main reason is that this process has many benefits,including:

 

• Reduced assembly: Overmolding allows complex functional parts to be produced through a single molding process, reducing assembly requirements and improving efficiency. This can save costs and improve product quality.
• Improved functionality: Overmolding allows two or more materials with different properties (such as different colors, textures, or hardness) to be combined. This can improve the function and performance of the component and enhance its appearance.
• Enhanced durability: Overmolding can improve the durability of the component by adding a protective layer or by combining materials with different properties (such as adding a hard outer layer to a soft inner layer).
• Customization: Overmolding allows components to be customized using different materials and colors. This is useful in applications where aesthetics or branding are important.
• Versatility: Overmolding is a versatile process that can be used in a wide range of industries and applications, including automotive, medical, and consumer products. It is suitable for the production of small and large components and can be used with a variety of materials.

 

 

Overmolding design is a meticulous art where every curve, every dimension, and every detail counts. Before we delve into specific design elements, let's first understand the overarching principles that lay the foundation for successful overmolding.

Harmony of Form and Function

The essence of successful overmolding design lies in the marriage of form and function. It's not just a matter of aesthetics or practicality; it's a seamless integration of the two, where design enhances function and function complements design.

Material Synergy

Understanding the materials used is the cornerstone of effective design. The compatibility and bonding between substrate and overmolding materials should be a guiding light. The synergy between these layers defines not only the look of the final product, but its very essence.

 

 

Chamber Wall Thickness

The thickness of each layer in overmolding is more than just a dimension; it's a delicate balance. Consistency is key, ensuring that the material flows evenly throughout the part. Avoiding thick areas prevents shrinkage marks and voids, creating a visually appealing and structurally sound final product.

Gate Location

Think of the plastic's entry point into the mold as a delicate brushstroke on a canvas. Gate location is important, especially for decorative parts. Thoughtful planning of gate location ensures a perfect finish, with the mark left behind being intentional and in harmony with the overall design.

Sealing Features

Sealing is more than just practicality; it's an art form. The mold must precisely seal the substrate, creating a clean edge between the layers. For plastic substrates, designing interference into the overmolding tool ensures a tight seal for improved functionality and aesthetics.

Shrinkage

Shrinkage marks the final act in the drama of plastic overmolding. As with any plastic, overmolded materials shrink according to specifications and design. Managing shrinkage is an art; ensuring it doesn't compromise the bond between the layers is the ultimate goal.

 

Here is a template of Design For manufacturability Analysis (DFMA)that our engineering team will create before mold design and processing,making sure everything meets customer's expectation and applicable for mass manufacturing.

 

 

Company profile

 

HongSheng designs and makes molds for plastic injection molding with 22 sets of injection molding machines from 80T-530T to various kinds of plastic injection production.

 

√ Mold Custom

√ Injection molding

Injection Molding Workshop

EDM CNC processing Center

Tooling construction

 

Application

 

aerospace

Automotive

electronic

Medical

public device

 

EDM

CNC processing

Mold Fitting

 

http://www.hongshengmold.com/