Comparison of metal injection molding and other molding process characteristics




Metal injection molding is suitable for stainless steel, iron-based alloys, magnetic materials, tungsten alloys, cemented carbide, fine ceramics and other series. The prepared parts are widely used in the aerospace industry, automobile industry, military industry, medical treatment, machinery industry, daily necessities and other fields. Then the comparison between Metal injection molding and other molding process features, which has more advantages.

1. Compared with traditional powder metallurgy process

Metal injection molding, as a near-net-shape technology for manufacturing high-quality precision parts, has advantages that conventional powder metallurgy methods cannot match. MIM can manufacture many parts with complex shape features: such as various external grooves, external threads, tapered external surfaces, cross holes, blind holes, recesses and key pins, stiffener plates, surface knurling, etc., with The parts with the above characteristics cannot be obtained by conventional powder metallurgy methods.

2. Compared with precision casting

Precision casting For metals or alloys with relatively low melting points, precision casting can also form parts with three-dimensional complex shapes. But for refractory metals and alloys, hard alloys, cermets, ceramics, etc., they can do nothing, which is determined by the nature of precision casting. In addition, it is very difficult or not feasible to use precision casting for parts with small size, thin wall, and large quantities.

Stainless steel feed

3. Compared with machining

Traditional machining methods have recently relied on automation to improve their processing capabilities. They have made great progress in efficiency and accuracy, but the basic procedures are still inseparable from gradual processing (turning, planing, milling, grinding, drilling, polishing, etc.) ) The way to complete the shape of the part.

Finally, the machining accuracy of the machining method is far superior to other machining methods, but because the effective utilization rate of the material is low, and the completion of its shape is limited by the equipment and tools, some parts cannot be completed by machining. On the contrary, Metal injection molding can effectively use materials, and the freedom of shape is not limited.

For the manufacture of small and difficult-to-shape precision parts, the Metal injection molding process is less costly and more efficient than mechanical processing, and has strong competitiveness. MIM technology makes up for the technical deficiencies of traditional processing methods or the shortcomings of inability to manufacture, and is not in competition with traditional processing methods. Metal injection molding technology can exert its strengths in the field of parts that cannot be produced by traditional processing methods.
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