Introduction to the application fields of metal injection molding!

Introduction to the application fields of metal injection molding!

Metal injection molding is a new powder metallurgy near-net forming technology that extends from the plastic injection molding industry. It is well known that metal injection molding technology can produce various products with complex shapes at a lower price, but the strength of plastic products is not high. In order to improve its performance, metal or ceramic powder can be added into plastic to obtain products with high strength and good wear resistance. In recent years, this idea has developed to maximize the content limit of solid particles, and completely remove the adhesive and densify the green body in the subsequent sintering process. This new powder metallurgy molding method is called metal injection molding.

The application fields of metal injection molding process products have involved various fields of the national economy, with broad market prospects, such as:

1. Computer and auxiliary facilities: such as printer parts, magnetic core, striker, drive parts;

2. Tools: such as gun drill, drill chuck, electric tool, hand tool, wrench and other parts, milling head, nozzle, etc;

3. Household appliances: such as watch case, watch chain, electric toothbrush, scissors, fan, golf head, imitation jewelry, knife head and other parts;

4. Medical device parts: such as braces, scissors, tweezers;

5. Military ordnance parts: missile tail, artillery parts, warhead, cartridge cover, fuse parts;

6. Electrical parts: such as micro-motor parts, electronic parts, sensor devices, mobile phones, and BP machine parts;

7. Mechanical parts: small and complex parts of various machinery such as cotton loosening machine, textile machine, sewing machine, office machinery, etc;

8. Automobile and ship parts: such as clutch inner ring, rocker arm insert, shift fork sleeve, distributor sleeve, automobile airbag parts, automobile lock, etc;

9. Various special-shaped cemented carbide nozzles for oil drilling.

Metal injection molding technology combines the advantages of powder metallurgy and plastic injection molding technology, breaks through the limitations of traditional metal powder molding technology on product shape, and utilizes the characteristics of plastic injection molding technology that can form complex shape parts in large quantities and with high efficiency. Computer and auxiliary facilities technology has become a near-net forming technology for modern manufacturing of high-quality precision parts, with traditional powder metallurgy Incomparable advantages of machining and precision casting.

1. Like plastic products, small metal parts with complex shapes are produced, usually weighing 0.1-200g.

2. Like plastic products, it forms various complex shapes, such as external groove, external thread, conical external surface, cross hole, blind hole, concave table, key pin, reinforcing rib, surface knurling, etc.

3. Good surface finish and high dimensional accuracy, usually with a tolerance of 0.3%~0.5%.

4. The material has wide application range, high product density (up to 95%~99%), uniform structure and excellent performance.

5. The product quality is stable, the production efficiency is high, and the automatic, batch and large-scale production can be realized.

What are the suitable materials for metal injection molding technology? Now let's analyze it together.

Iron base alloy steel, stainless steel, nickel base alloy, tungsten alloy, hard alloy, titanium alloy, magnetic material, kovar alloy, fine ceramics, etc.