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Sheet metal being overmolded with ABS plastic materials

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metal insert overmolding

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Overmold

It can add immeasurable value to product design by enhancing the end users experience in terms of comfort, ergonomics and ease of use.
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pre-loading metal inserts onto aluminium special design fixture
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9 pieces ( 5 pcs of type A and 4pcs of type B) metal inserts loaded onto plastic part at one time of cost saving

Insert Overmolding

It is the case of  2 separate materials to form one cohesive components of which one material (say TPE/TPU) is molded "over" a "substrate" material (say rigid plastic or object). 


Two important concepts :-
1. In part design, you need to know how many substrate and overmold to stick by mechanical part design interlocks.
2. In materials selection, both materials attain a high level of molecular adhesion.


We can provide,free of charge, consultant technical service for overmolding products for the next project or any other molding product design. 
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2K Double Injection

Double Injection, sometimes known as 2 material 2 shot molding or 2K molding, is an innovative manufacturing process used to produce complicated molded parts from two different materials. Through a highly specialized and automated process we carefully control the injection of multiple materials, including two different kinds of resin, into a single, multi-chambered mold.
Double Injection in performed on one machine that is programmed to perform two injections in one cycle. In the first cycle, a nozzle injects plastic into a mold. The mold is then automatically rotated and a different type of plastic is injected into the mold from a second nozzle.
Double Injection Molding optimizes co-polymerization of hard and soft materials to create powerful molecular bond. The result is a single part with production and feature advantages. It can be used for a variety of product designs across all industries. It also allows for molding using clear plastics, colored graphics and stylish finishes which improves your product functionality and marketplace value.
Double Injection advantages include:
  • Lower unit cost
  • Improved part integrity
  • Multi-material efficiency
  • Higher-quality plastic part fabrication
  • Reduced handling and secondary assembly
  • Reduces cost and waste associated with assembly defects
  • Enhanced tactile and cosmetic product features
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