Metal Injection Molding (MIM) Service

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About Metal Injection Molding

Metal Injection Molding (MIM), also called Powdered Injection Molding (PIM), is an advanced metal forming process that uses injection molding equipment to manufacture both simple and complex metal parts to tight tolerances.  In this process, the raw material, referred to as the feedstock, is a powder mixture of metal and polymer. With the use of a standard injection molding machine, the powder is melted and injected into a mold, where it cools and solidifies into the shape of the desired part. Subsequent heating processes remove the unwanted polymer and produce a high-density metal part.

Advantages of Metal Injection Molding

The Metal Injection Molding (MIM) process combines the design flexibility of Plastic Injection Molding with the strength and integrity of wrought metals to offer cost-effective solutions for highly complex part geometries.

The MIM process is typically explained as four unique processing steps (Compounding, Molding, De-binding, and Sintering) to produce a final part.

  • its capability to produce excellent mechanical properties, including properties not obtainable by other processing technologies.
  • the ability to produce high-precision components to net-shape.
  • nearly unlimited shape and geometric-feature capabilities.
  • high-production rates due to the efficiency of the processing equipment compared with other metal forming technologies.
  • the feedstock is re-useable if it is not processed after molding.
  • high-material utilization with minimal material loss.

Material options

Moxperts offer a wide variety of certified alloys for rapid metal injection molding services. 

If the material is not listed, feel free to contact us for a customized solution.

The use of metal powders enables a wide variety of ferrous and non-ferrous alloys to be used and for the material properties (strength, hardness, wear resistance, corrosion resistance, etc.) to be close to those of wrought metals.

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