Products Technical features:

Metal powder injection molding (MIM) is a kind of plastic injection molding industry from of powder metallurgy shaping new technology, it is traditional powder metallurgical technology and modern injection molding techniques. As a kind of metal powder density of the special process than, metal injection molding technology and traditional powder metallurgical technology have been very different. It can batch production of high accuracy 3 d complex shapes of all kinds of metal and alloy parts, including various external cutting, male, cone, cross hole on the surface of the type and blind holes, surface knurling, etc.So with this technique can exempt from numerous lock of machining process, reduce the word material consumption. And in the flow state, the liquid filling evenly cavity forming, mold cavity pressure at every point consistent, eliminate the traditional powder metallurgy pressure molding inevitable direction along the suppression of density gradient, can get uniform structure, mechanical properties of excellent net-shape forming parts. In addition the metal powder injection molding technology and material wide adaptability, a high degree of automation, low production cost, material utilization of almost 100%, and many other advantages.

And the traditional mechanical processing precision casting, compared several aspects basically has the following advantages: 1, products internal organization more even, And the traditional powder metallurgy suppression/sintering, a more excellent than product performance, product size accuracy, high superior surface finish, need not before the processing or small quantities finishing. Metal injection molding process can be directly forming thin-walled structure, and the product shape has access to or to the end product requirements, parts size tolerance generally keep in the plus or minus 0.10% ~ + 0.30% level, particularly to reduce the difficulty in making machinery processing of hard alloy processing cost, reduce the processing of precious metal loss especially to have the important meaning.

2． parts of the geometry of freedom, each part shaped high density, high accuracy, and is suitable for size manufacturing complex geometric shapes, accuracy and has a high dense special requirements of small parts (0.2 ~ 200 g). 3, alloying, skilled, and great flexibility to a crisp, and difficult to cutting materials or raw materials has segregation or pollution casting parts, may reduce the production cost. 4, the product quality is stable, reliable performance, the products of the relative density of 95% ~ 100%, cementite, quenching and tempering heat treatment, etc. 5, applicable materials a wide range, wide application field, the utilization rate of raw materials, high production a high degree of automation, and a simple process mass scale production. The production process, no pollution for clean process production. MIM technology used, its life and mould plastic injection molding mould similar. Due to the use of metal mould, suitable for the mass production of MIM parts; Because of using injection machine forming products a blank, greatly enhancing the efficiency and reduce the cost, and injection molding product good consistency, repeatability, thus for a large amount and scale of industrial production, and provide a guarantee a model more cavity can further improve efficiency and reduce the cost of blank forming.

6, products, high density microstructure uniformity, product strength, hardness, elongation mechanical properties such as high, wear resistance, good fatigue, organization even, good performance. In metallurgical powder pressing process, because mode with powder and powder and the friction between the powder, make pressing pressure distribution uneven, have led to suppress blank in microstructure uniformity, material density difference, low density, the serious influence the mechanical properties of the product; And the MIM is a fluid forming process, the existence of the binder ensure the powder arranged, and even can eliminate the microstructure of blank uneven, and the density of the products to materials sintering theory, thus make strength increase density, toughness, ductility and electric conductivity, strengthen the thermal conductivity of improved, comprehensive performance improved. As the production of plastic products, as well as a forming production complex shape of metal, ceramic components, such as low cost, finish product, surface roughness can achieve Ra 0.80 ~ 1.6 mu m, high precision, and generally need not after processing.

In recent years, powder metallurgy injection molding technology (MIM) development very compelling, along with the development of technology of process and mature, application field expands unceasingly, from traditional industrial use of cemented carbide tools, mechanical products to high temperature engine components, from the computer's disk drive to watch with with products, medical products, military products, mobile phone accessories, auto parts, motorcycle accessories, watches and lock parts, etc.