Over Mold Manufacturer

2K Injection mold, known as two color Injection mold, two shot mold, twin-shot mold, dual-shot mold, double color mold, double shot mold, 2K mold and 2K tooling, Double Injection mold, bi-injection mold, Multi-material or multi-component injection mold. Stebro Mold is a professional two shot injection mold supplier for 2K Injection Mold in China. We can help you make the double injection mold from the parts design analysis, tooling design and tooling manufacturing.

Full Stack Over Mold Making Service

Two Shot Plasitc Product Design

We help you to optimize the plastic product design & development for Injection Molded Products to saving you time and cost in Plastic Design, Mold Manufacturing, Plastic Injection Molding & Part Assembly.

Two Shot Prototyping

We provide plastic rapid prototyping services and complete product development. These services including CNC machining, SLA plastic prototype , SLS plastic prototype, Vacuum Casting and Low Volume Injection Molding.

Two Shot Mold Manufacturing

We are a professional plastic mold maker and custom injection molding manufacturer in China. We specialize in manufacturing plastic injection molds for Outdoor Power Equipment, Automotive, Medical, Electronic and other types of plastic products.

Two ShotPlastic Injection Molding

A Full Services Custom Plastic Injection Molding Company providing Complete Product Development to Mass Part Production in China. Low & High Volume Injection Molding, Insert Molding, Over Molding & Vertical Injection Molding

Overmold Process

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Overmold Design Considerations

Bonding: In a perfectly overmolded part, the overlay is impossible to remove, and will tear before separating from the substrate, or even take some of the underlying material with it. Achieving a high-level chemical bond isn’t always possible, we have to evaluation of material bonding and mechanical bonding of dissimilar materials. Adhesion between the substrate and the over molded part is usually necessary to proper fit and function of the final product. Preheating the substrate might be necessary to bring its surface temperature closer to the melt temperature of the over mold, so as to reach optimum bond strength between the two materials. In most cases, we have to use mechanical interlock to augment or even replace a chemical bond. This can be achieved by placing an undercut in the substrate part, or a series of reverse-tapered or counterbored holes into which the overmolding material can flow, assuring a no-fail mechanism in all but the most demanding applications.

Proper draft angles, uniform wall thickness, and smooth transition lines must be maintained in both parts.
The thickness of the overmold material should be less than or equal to that of the substrate below it.
The melting temperature of the overmolding material should be less than that of the substrate (as in our LSR example).
Texturing of the substrate workpiece may help with adhesion. Texturing of the overmolded part may provide a better grip and more attractive surface.
The surface of the overmolded part should be even with or slightly below any adjacent substrate surfaces.

 

 

设备

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工艺

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模具质量

材料
质检
其它具体的为确保质量做出的努力?

Advantage & Benefits of Two-Shot Molding

Advantage of Double Injection Mold

  • High production efficiency
  • Lower cost compared with overmolding and assembly parts
  • Enhanced tactile and cosmetic product features
  • High precision and stable part quality
  • Improve the touch feel
  • Optimum bonding with minimum time and labor

Multi-component injection mould Application Examples:

  • Soft-Touch enhancements, combining thermoplastics and silicone in one component, such as hand tools, writing instruments and toothbrushes
  • Performance improvements, combining different material properties for an Ideal solution, such as XXXXX.
  • Enhance cosmetics features, permanent graphics through the use of additional colored resins, such as xxxx.

Affordable Overmold Manufacturer Price

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Get Detailed Custom Mold Price