Metal powder injection molding (MPIM) is a new and high technology which combines traditional powder metallurgy (PM) technology with plastic injection molding (PIM) technology. It is a revolution in the forming process of small and complex parts. It mixes the applicable technical powder and binder evenly into rheological feed, injects into the injection machine, sinters and densifies the obtained blanks into finished products after degreasing treatment, and if necessary, can also carry out post-processing.

Accidents often result in hand and foot injuries and bone fragmentation. With the help of different artificial joints and implants, the hand and foot can be reconstructed. MIM technology can meet the physical needs.

The tolerance of MIM sintered parts is about +0.3%. If the tolerance or MIM parts accuracy requriement of product requirements is very strict, MIM sintered parts need to be processed twice, such as CNC, CNC lathe, etc. The cost of MIM tends to increase and needs to be evaluated and compared.

MIM Technology total demand: Mold and R&D costs for low-demand products, after allocation it is very difficult to bear. Therefore, when the annual demand of products reaches or exceeds 20,000 pieces, MIM process can be considered.

MIM can flexibly adjust and rapidly increase production, from hundreds of pieces per day to hundreds of thousands of pieces per day. Also MIM is a Environmental Processing. Raw material utilization rate is close to 100%, which is a near net forming technology and can effectively avoid material waste.

This week, we had produced some MIM gears​ for mechinery equipment. It is the best choice if steel gears maken by our MIM process with high quality. Compared with powder metallurgy, MIM gears have compact density reach 7.80g/cm3.

The surface roughness (Ra) of_MIM sintered billet can reach 1 micron, and other beautiful appearance can be obtained by various surface treatments.

Because the sintering density of MIM is very close to the theoretical density, its physical and chemical properties are excellent, such as mechanical strength, which surpasses the traditional powder metallurgy greatly.

Shandong No2 Machinery Company have seperate plant to do MIM process. Many raw material are mixed by our professional staff, who trained in regular school.17-4ph is the material we offen used. There are some special characteristics.

Traditional CNC machining, recently, automation and numerical control have been used to improve the processing ability, and great progress has been made in efficiency and accuracy.

Die casting process is suitable for materials with low melting point and good castability, such as aluminium and zinc alloys, while MIM process is suitable for all kinds of materials.

Select the shape and position of inlet and outlet, uniform wall thickness, avoid sharp corners, arc transition, design holes and grooves, design concave and sagging, design threads, consider reinforcing ribs and connecting walls, design knurling, printing, engraving trademarks, consider sintering support, pay attention to concave and weld marks, surface coating or coating, heat treatment, secondary processing.