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09-14-2015

Metal injection Molding (MIM)

Delicate and High-Strength Metal Moldings

The substitution of metals is not a feasible solution for every application. The metal injection molding process (MIM) comes up trumps where high mechanical strengths are demanded of moldings with small dimensions. Parmaco Metal Injection Molding AG, Fischingen, Switzerland, developer and producer of MIM parts, will be presenting the potentials and benefits of the process that is particularly suitable for the production of smaller, high-strength steel parts with complex geometries in medium to large series.

The process is similar in principle to the injection molding of plastics, and offers the same high degrees of design freedom. The starting material is a free-flowing mixture of fine metal powder, plastics and various additives. High-grade steel materials and special alloys can be processed. Processing is carried out with machines and mold technologies such as are also used for plastic injection molding.

The whole process chain is more complex, however, as "green parts" with no mechanical strength are produced first. These have to undergo a multi-stage debinding and sintering process, during the course of which they shrink by up to 20 %. The result are high-quality, geometrically and functionally sophisticated parts with lengths up to approx. 70 mm and weights between 1 and 100 g. Micro parts with weights from 0.01 g can also be produced in the same way.

Fakuma Hall B5, booth 5401

Company profile

Parmaco Metal Injection Molding AG

Fischingerstr. 75
CH 8376 FISCHINGEN
Tel.: +41 71 97878-78
Fax: +41 71 97878-79

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