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What Kind of Metal Parts are Suitable for MIM Processing?

Time: 2023-11-28        Source:Harber MIM Parts Manufacturer Media Centre

Metal powder injection molding combines the advantages of powder metallurgy and plastic injection molding, breaking through the limitations of traditional metal powder molding processes in product shape. At the same time, plastic injection molding technology can be used to produce complex shaped parts in large quantities and with high efficiency, such as Various external grooves, external threads, conical outer surfaces, cross holes, blind holes, recesses, keypins, reinforcing ribs, surface knurling are the strengths of MIM technology. and other factors are the strengths of MIM technology.

How to determine whether a product can choose MIM technology and indicate a list of parts that are beneficial for production using MIM technology.

  1. MIM has great advantages in reducing production costs for parts with significant material loss and time-consuming processing in cutting and grinding processes.

  2. It is difficult to bear the cost of molds, research and development for products with low demand after sharing them. Therefore, when the annual demand for the product reaches a certain quantity, the MIM process can be considered.

  3. In terms of materials, MIM technology is a near net forming technique that is most attractive for parts designed from difficult to cut materials such as titanium, stainless steel, and nickel alloys. Similarly, it is extremely suitable for multi axis and multi reference parts with complex geometric shapes that require multiple changes in machining stations during cutting.

  4. MIM is also suitable for some high-density products. If there is a demand for performance, the high-density performance formed by MIM has strong competitiveness.

  5. In terms of accuracy requirements, the tolerance of MIM sintered parts is approximately ± 0.3%. If the product requires strict tolerances, MIM sintered parts require secondary processing, such as CNC, CNC turning, etc. The cost of MIM also tends to increase. In this case, evaluation and comparison are needed

  6. There are also some defects in the MIM process, which must be kept in non critical positions or removed after manufacturing, such as gate marks, ejector pin marks, or bonding lines.

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