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Plastic and metal INJECTION molding - tools since 1950

What is MIM?

Link to our MIM Brochure: Brochure MIM UK-AL.pdf

The technology of molding by injection of metal powders is a forming process that associates the flexibility of traditional thermoplastic injection with the quality and strength of powder metallurgy.
Thanks to this combination of production techniques, it is possible to obtain competitive products with mechanical performances of very high quality and a complex morphology


                           


3 stages:

1. Injection

Forming of the part on the basis of metal powders coated with a thermoplastic (or other) binding agent.



2. Debinding

Chemical (or other) elimination of the plastic binding agent. The molded part becomes a porous structure composed of juxtaposed metal particles.



3. Sintering

Heat treatment giving this structure the necessary cohesion and density and accompanied by a controlled shrinkage.


The advantages of MIM:

- High density

- Low roughness

- Great hardness

- High geometrical complexity

- Tight tolerances

- Improved design, increase in functionalities, reduction in the number of inserts and supplementary operations, reduction in costs, increase in quality
- Fewer material losses


Sectors:

Defense, industrial machinery, clock and watch-making, textile machinery, aeronautics, machine tools, surgical instruments, electrical tools, medical, ...

Materials:

- Carbon steels and alloys

- Tool steels

- Stainless steels

- Steels, alloys that are refractory and highly-resistant to wear and corrosion

- Soft magnetic alloys and steels

- Titanium 


Applications:

- Injectable volume 0.5 cc- 75 cc (maximum size: tennis ball)

- Ideal batches greater than 5,000 parts

- Parts of great mechanical strength

- Parts with complex geometries

- Thickness of walls > 0.5 mm