Which is better, traditional powder metallurgy or MIM powder metallurgy?

Which is better, traditional powder metallurgy or MIM powder metallurgy?

At present, in the application process of powder metallurgy, traditional powder metallurgy and MIM parts powder metallurgy process are two kinds of methods that are widely used at present. In particular, the powder metallurgy technology of MIM parts, as a near net forming technology for manufacturing high-quality precision parts, has more advantages than conventional powder metallurgy, machining and precision casting methods. So which is better, traditional powder metallurgy or powder metallurgy of MIM parts? Here is a brief introduction of the Zhongwei Precision Editor:

powder metallurgy

Comparison between powder metallurgy process of MIM parts and traditional powder metallurgy process:

1. The powder metallurgy process of MIM parts has a high degree of freedom in shape, which cannot be achieved by traditional powder metallurgy. Because the powder metallurgy process of MIM parts not only has the advantages of traditional powder metallurgy process, but also uses fine powders, the powder metallurgy process of MIM parts has a high density of finished products.

2. The particle size of raw material powder used for powder metallurgy of MIM parts is 2-15 μ m. However, the particle size of traditional powder metallurgy raw powder is mostly 50-100 μ m。 Traditional powder metallurgy is limited to the strength and filling density of the mold, and the shape is mostly two-dimensional cylindrical.

3. The traditional powder metallurgy method can generally be used for materials with low melting point and good fluidity of casting liquid, such as aluminum and zinc alloys. However, its strength, wear resistance and corrosion resistance are generally limited due to material limitations. However, there are many raw materials that can be processed by the powder metallurgy process of MIM parts.

To sum up, we can see that compared with the traditional powder metallurgy process, the powder metallurgy process of MIM parts has obvious advantages. Powder metallurgy of MIM parts is a forming method that the plasticized mixture of metal powder and its binder is injected into the model. It is the shape required by mixing the selected powder and binder, then granulating the mixture, and then injection molding. Through the powder metallurgy process of MIM parts, complex shaped parts can be manufactured rapidly in large quantities and at low cost, with high material utilization rate and avoiding more secondary machining.