other metal parts

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         Metal Injection Molding (MIM) Parts

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. Metal Injection Molding process is typically explained as four unique processing steps (Compounding, Molding, Debinding and Sintering) to produce a final part that may or may not need final finishing operations.

 
The phases of the Metal Injection Molding process
Mixing
Metal powder and organic ligands are mixed in order to obtain a mixture called ˇ°feedstock.ˇ± At the end of this operation, we obtain the first matter for the injection molding.
Injection
After the realization of the mould with the desired figures, the ˇ°feedstockˇ± is injected in the holes of the mould in order to obtain the single pieces, which are called ˇ°green piecesˇ± in this particular phase.
Debinding
The organic part, which gives shape to metallic particles, is removed partially after the injection. This phase is called ˇ°debindingˇ±. At the end of this process, the pieces are called ˇ°brown piecesˇ±.
Sintering
The ˇ°brown piecesˇ± are put in the furnace with high temperature in order to permit the sintering of metal powder and to obtain high-density objects.
Post treatment
The pieces can be finished with metal workings, grading, thermal treatments (for example case-hardening, carbonitriding, tempering), surface treatments, (for example nickel-plating, chromium-planting, bluing, anodizing, electro-burnishing).
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To learn more about Metal Injection Molding, please visit the website: www.mimwork.com

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